ENCLOSURE_4_DL_Position_Description.pdf

Position Title Position Description Required Education Required Experience

Scientist IV Works with NASA and Contractor staff to plan and coordinate scientific research and development efforts involving major components of a GMAO

Integrated Earth System model and/or data assimilation system (DAS), and plays a lead role in the scientific evaluation of model and/or DAS releases.

Leads and participates in one of the primary GMAO scientific development projects. Interacts with scientists at other institutions and presents scientific results at conferences, workshops and in peer-reviewed publications. Oversees and manages the

Contractor scientist staff.

Ph.D. degree, or equivalent*, in atmospheric science, oceanography or other

Earth science discipline, mathematics or computational science

Ten years of scientific experience, including five as a scientific lead, and excellent communication skills.

Extensive research experience in Earth system modeling and/or data assimilation, along with exceptional math skills. Extensive publication record in peer-reviewed scientific journals. Significant experience in scientific programming using FORTRAN and UNIX.

Experience with MPI and ESMF programming, with

Python, MATLAB and/or scientific graphics tools such as

GrADS or IDL, and with Python, Perl or shell scripting, is highly desirable.

Scientist III Assists NASA and Contractor staff in the planning and coordination of scientific research and development efforts involving major components of a GMAO model and/or DAS, and participates in the scientific evaluation of model and/or DAS releases. Provides high-level scientific and programming support and/or technical leadership to a primary GMAO scientific development project or scientific investigation.

Interacts and collaborates with GMAO scientists and developers. Presents scientific results at conferences, workshops and in peer-reviewed publications.

Ph.D. degree, or equivalent*, in atmospheric science, oceanography or other

Earth science discipline, mathematics or computational science

Six years of scientific experience; excellent communication skills. Research experience in Earth system modeling and/or data assimilation; exceptional math skills. Good publication record in peer-reviewed scientific journals. Experience in scientific programming using FORTRAN and UNIX. Experience with MPI and

ESMF programming, with Python, MATLAB and/or scientific graphics tools such as GrADS or IDL, and with

Python, Perl or shell scripting, is highly desirable.

DIRECT LABOR POSITION DESCRIPTIONS

Scientist II Supports scientific research and development efforts involving one or more components of a GMAO model and/or DAS; participates in scientific evaluation activities. Provides scientific expertise, programming support and/or technical leadership to primary GMAO development projects and scientific investigations.

Interacts and collaborates with GMAO scientists and developers. Presents scientific results at conferences, workshops and in peer-reviewed publications.

Ph.D. degree, or equivalent*, in atmospheric science, oceanography or other

Earth science discipline, mathematics or computational science

Two years of scientific experience; good communication skills. Research experience in Earth system modeling, data assimilation or a related area;

excellent math skills. Publication record in peer-reviewed scientific journals. Some experience in scientific programming using FORTRAN and UNIX.

Knowledge of MPI and ESMF programming, of Python, MATLAB and/or scientific graphics tools such as GrADS or IDL, and of Python, Perl or shell scripting, is highly desirable.

Scientist I Supports scientific research and development efforts involving a GMAO model and/or DAS. Provides scientific and programming support to GMAO development projects and scientific investigations.

Interacts closely with NASA scientists. Contributes to the presentation of scientific results at conferences, workshops and in peer-reviewed publications.

Ph.D. degree, or equivalent*, in atmospheric science, oceanography or other

Earth science discipline, mathematics or computational science

Academic research experience in Earth system modeling, data assimilation or a related area; good communication skills. Some experience in scientific programming using FORTRAN and UNIX. Familiarity with MPI and ESMF programming, with Python, MATLAB and/or scientific graphics tools such as GrADS or IDL, and with Python, Perl or shell scripting, is highly desirable.

Support Scientist IV Is required to work with NASA and other Contractor scientists and engineers to plan and implement the

Contractor services for assigned tasks. This is task dependent and may include computational model development, instrument development, analysis of large satellite datasets, or the development of new instrumental concepts. Interacts with scientists from other institutions and presents scientific data at conferences, workshops and in peer-reviewed publications. Oversees and manages other support scientists within the tasks.

A Ph.D. degree, or equivalent*, in an atmospheric or physical science, mathematics, or computer science.

Ten years of scientific experience, including five years as a scientific lead. Excellent communication skills are required; must have a broad knowledge of atmospheric science with a proven record of publication in peer-reviewed scientific journals. Significant experience in scientific programming is required in languages such as

FORTRAN, C/C++, and/or Python; proficiency in IDL, LabVIEW, and/or shell-based scripts is highly desirable.

Knowledge of NASA IT security practices is required.

Support Scientist III Assists Contractor and NASA scientists and engineers in the planning and coordination of the research efforts in a task and provides scientific or technical leadership in the conduct of the research - this can include model or instrument development or data analysis support, or in the operational support of developed instrumentation; operational support can be at GSFC or during field missions. Communicates results in scientific meetings and workshops, and in peer-reviewed publications.

A Ph.D. degree, or equivalent*, in an atmospheric or physical science, mathematics, or computer science.

Five years of atmospheric science experience; a record of pubications in peer-reviewed scientific journals;

excellent communication skills; knowledge and experience in scientific programming is required in languages such as FORTRAN, C/C++, and/or Python;

knowledge of IDL, LabVIEW, and/or shell-based scripts is highly desirable. Knowledge of NASA IT security practices is required.

Support Scientist II Assists NASA scientists and engineers in the research and development of the task - this can include model or instrument development or data analysis support, or in the operational support of developed instrumentation; operational support can be at GSFC or during field missions. Provides scientific expertise on one or more areas of atmospheric science supported by the Contract. Communicates results in scientific meetings and workshops, and in peer-reviewed publications.

Ph.D. degree, or equivalent*, in an atmospheric or physical science, mathematics, or computer science.

Three years of atmospheric science experience; a record of pubications in peer-reviewed scientific journals; good communication skills; knowledge and experience in scientific programming is required in languages such as FORTRAN, C/C++, and/or Python;

knowledge of IDL, LabVIEW, and/or shell-based scripts is desirable. Knowledge of NASA IT security practices is required.

Support Scientist Assists NASA scientists in the research and development of the task - this can include model or instrument development or data analysis support, or in the operational support of developed instrumentation at GSFC or during field missions.

Provides scientific expertise on at least one area of atmospheric science supported by the Contract.

Assists in the preparation of presentations for scientific meetings and workshops, and for articles in peer-reviewed scientific journals.

Ph.D. degree, or equivalent*, in an atmospheric or physical science, mathematics, or computer science.

A record of pubications in peer-reviewed scientific journals; good communication skills; knowledge and experience in scientific programming is required in languages such as FORTRAN, C/C++, and/or Python;

knowledge of IDL, LabVIEW, and/or shell-based scripts is desirable. Knowledge of NASA IT security practices is required.

Scientific

Programmer/Analyst IV

Works closely with Contractor and NASA staff to provide technical leadership and advanced scientific programming skills in the development, implementation, testing and documentation of scientific software and algorithms for GMAO modeling and data assimilation systems. Conducts numerical experiments to support scientific investigations.

Contributes to the presentation of scientific results at conferences, workshops and in peer-reviewed publications. Oversees and manages the Contractor scientific programmer/analyst staff.

M.S. degree, or equivalent**, in atmospheric science, oceanography or other physical science, mathematics or computational science

Ten years of experience in scientific programming, including five in a leadership role, and excellent communication skills. Broad understanding of atmospheric science, oceanography, or other Earth science discipline, scientific data analysis and data management. Extensive experience in FORTRAN programming for parallel architectures, UNIX shell scripting, and configuration management (CM) tools such as CVS or Subversion. Experience in software engineering and programming with MPI, ESMF, C++, Python, Perl, HTML, Java, GrADS, IDL and/or MATLAB is highly desirable.

Scientific

Programmer/Analyst III

Works closely with Contractor and NASA staff to provide technical support and scientific programming skills in the development, implementation, testing, documentation and application of scientific software and algorithms for GMAO modeling and data assimilation systems. Contributes to the presentation of scientific results at conferences, workshops and in peer-reviewed publications.

M.S. degree, or equivalent**, in atmospheric science, oceanography or other physical science, mathematics or computational science

Six years of experience in scientific programming;

excellent communication skills. Broad understanding of atmospheric science, oceanography, or other Earth science discipline, scientific data analysis and data management. Extensive experience in FORTRAN programming for parallel architectures, UNIX shell scripting, and CM tools such as CVS or Subversion.

Experience in software engineering and programming with MPI, ESMF, C++, Python, Perl, HTML, Java, GrADS, IDL and/or MATLAB is highly desirable.

Scientific

Programmer/Analyst II

Supports NASA scientists in the development and application of scientific software for the processing, display and evaluation of GMAO data sets. Assists in the presentation of scientific results at conferences, workshops and in peer-reviewed publications.

M.S. degree, or equivalent**, in atmospheric science, oceanography or other physical science, mathematics or computational science

Two years of experience in scientific programming;

good communication skills. Strong background in an

Earth science discipline. Experience in FORTRAN programming for parallel architectures, UNIX shell scripting, and CM tools such as CVS or Subversion.

Experience in software engineering and programming with MPI, ESMF, C++, Python, Perl, HTML, Java, GrADS, IDL and/or MATLAB is highly desirable.

Scientific

Programmer/Analyst I

Supports scientists and programming staff in the development and application of scientific software for the processing, display and evaluation of GMAO data sets.

B.S. degree, or equivalent***, in atmospheric science, oceanography or other physical science, mathematics or computational science

Two years of experience in scientific programming;

good communication skills. Knowledge of an Earth science discipline. Knowledge of FORTRAN programming for parallel architectures and UNIX shell scripting. Skill in software engineering and programming with MPI, ESMF, C++, Python, Perl, HTML, Java, GrADS, IDL and/or MATLAB is highly desirable.

Programmer Analyst IV Works closely with Contractor and NASA scientists to provide technical leadership in the development of scientific software and algorithms for the acquisition, processing, or analysis of data from orbital or sub-orbital instrumentation, or for the development of predictive computational models, or for software system design, evaluation, optimization and parallelization, and for the documentation of developed software. Oversees other Programmer

Analysts within the tasks. Contributes to the presentation of scientific results at scientific meetings and workshops, and in peer-reviewed journals.

M.S. degree, or equivalent**, in atmospheric science, a physical science, mathematics, or computer science.

Ten years of experience in scientific programming and data analysis, with five years in a leadership role. Must have a broad understanding of atmospheric science and statistical data analysis; significant experience in scientific programming in languages such as FORTRAN, C/C++, and/or Python, or in software engineering or high-performance computing in MPI or object-oriented programming is required. Proficiency in IDL, LabVIEW, and/or shell-based scripts is required, as is knowledge of NASA IT security practices.

Programmer Analyst III Works closely with Contractor and NASA scientists to provide technical support in the development of scientific software and algorithms for the processing or analysis of data from orbital or sub-orbital instrumentation, or for the development of predictive computational models, or for software system design, evaluation, optimization and parallelization, and for the documentation of developed software.

Contributes to the presentation of scientific results at scientific meetings and workshops, and in peer-reviewed scientific journals.

M.S. degree, or equivalent**, in atmospheric science, a physical science, mathematics, meterorology, or computer science.

Five years of experience in scientific programming and data analysis. Must have a broad understanding of atmospheric science and statistical data analysis;

significant experience in scientific programming in languages such as FORTRAN, C/C++, and/or Python, or in software engineering or high-performance computing in MPI or object-oriented programming is required. Knowledge and experience in IDL, LabVIEW, and/or shell-based scripts is required, as is knowledge of NASA IT security practices.

Programmer Analyst II Supports NASA scientists in the design, development and/or evaluation of scientific code, or in the processing and display of model or experimental datasets. Assists and contributes to the presentation of scientific data at conferences or workshops, and in peer-reviewed scientific journals.

M.S. degree, or equivalent**, in atmospheric science, a physical science, mathematics, or computer science.

Three years of experience in scientific programming and data analysis. Must have a broad understanding of atmospheric science and statistical data analysis;

experience in scientific programming in languages such as FORTRAN, C/C++, and/or Python, or in software engineering or high-performance computing in MPI or object-oriented programming is required. Knowledge and experience in IDL, LabVIEW, and/or shell-based scripts is highly desirable. Knowledge of NASA IT security practices is required.

Programmer Analyst Supports scientists and programming staff in the design, development and/or evaluation of scientific code, or in the processing and display of model or experimental datasets.

B.S. degree, or equivalent**, in atmospheric science, a physical science, mathematics, or computer science.

Must have an understanding of atmospheric science and statistical data analysis; experience in scientific programming in languages such as FORTRAN, C/C++, and/or Python, or in software engineering or high-performance computing in MPI or object-oriented programming is required. Knowledge and experience in

IDL and/or shell-based scripts is desirable. Knowledge of NASA IT security practices is required.

Instrument Engineer IV Works closely with the NASA Project scientist and contractor engineers in the planning, design and fabrication of new instruments for atmospheric measurementsfor a variety of platforms. Plans, designs and implements the interfaces, electronic, mechanical, and software , between the instrument and the platform; oversees the integration of the instrumentation to the platform. Operations of instrumentation may be at GSFC or in the field during missions. Oversees and manages other instrument engineers on the tasks. Responsible for the documentation of all designs and drawings related to the instruments.

B.S. degree in physics, optics, or electrical, mechanical, or optical engineering.

Ten years of experience in instrument design; at least five yerars as an engineering lead. must have a broad understanding of the principles of mechanical, optical and electronic instrument design particulary with respect to atmospheric measurements from orbital or sub-orbital platforms; must be highly proficient in

LabVIEW as applied to data acquisition programming.

Profiency in the design and building of flight hardware is highly desirable.

Instrument Engineer III Works closely with the NASA Project scientist and contractor engineers in the planning, design and fabrication of new instruments for atmospheric measurements for a variety of platforms. Plans, designs and implements the electronic, mechanical, and software interfaces between the instrument and the platform. Participates in the integration of instrumentation to the platform. Responsible for the documentation of designs and drawings related to the instruments.

B.S. degree in physics, optics, or electrical, mechanical, or optical engineering.

Five years of experience in instrument design; must have a broad understanding of the principles of mechanical, optical and electronic instrument design particulary with respect to atmospheric measurements from orbital or sub-orbital platforms; must be highly proficient in LabVIEW as applied to data acquisition programming. Profiency in design and building of flight hardware is desirable.

Instrument Engineer II Supports NASA Project scientist and contractor engineers in the design and fabrication of new instruments for atmospheric measurements from a variety of platforms. Participates in the electronic, mechanical, and software integration of the instrument to the platform. Supports the planning and design of electronic, mechanical, and software interfaces between the instrument and the platform.

Responsible for the documentation of designs and drawings related to the instruments.

B.S. degree in physics, Optics, or electrical, mechanical, or optical engineering.

Three years of experience; must have a broad understanding of the principles of mechanical, optical and electronic instrument design particulary with respect to atmospheric measurements from orbital or sub-orbital platforms; must be proficient in LabVIEW as applied to data acquisition programming. Profiency in flight hardware assembly techniques desirable.

Instrument Engineer Supports the NASA Project scientist and contractor engineers in the fabrication of new instruments for atmospheric measurements for a variety of platforms.

Supports the planning and design of electronic, mechanical, and software interfaces between the instrument and the platform.

B.S. degree in physics, optics, or electrical, mechanical, or optical engineering.

Must have an understanding of the principles of instrument design particulary with respect to atmospheric measurements from orbital or sub-orbital platforms; must have a knowledge of LabVIEW as applied to data acquisition programming. Knowledge of flight hardware assembly techniques is desirable.

Technical/Research

Assistant II

Aids in the preparation of scientific results for presentation at scientific meetings and workshops, and in peer-reviewed scientific journals. Provides planning, development and implementation support for field missions; provides document support for scientific reports and assessments.

B.S. degree, or equivalent***, in a physical science.

Six years experience. Highly proficient with Microsoft

Office (Excel, Powerpoint, Word etc.) Excellent oral and written communication skills.

Technical/Research

Assistant

Aids in the preparation of scientific results for presentation at scientific meetings and workshops, in

Laboratory reports, and in peer-reviewed scientific journals.

B.S. degree, or equivalent***, in a physical science.

Two years experience. Knowledge and facility with

Microsoft Office (Excel, Powerpoint, Word etc.). Good communication skills.

Graphics Systems

Specialist IV

Works closely with NASA and Contractor staff to provide technical leadership in Web-based management, visualization, publication and presentation of GMAO scientific data. Identifies requirements for the display and/or scientific assessment, monitoring and presentation of GEOS model, DAS and associated data products. Designs, codes and implements interactive and Web-based utilities for displaying and/or assessing these products. May act as Curator of the GMAO Web site and Intranet. Oversees the Contractor graphics systems specialist staff.

M.S. degree, or equivalent**, in atmospheric science, computer science, mathematics or physical science

Ten years of scientific experience, including five in a leadership role, and excellent communication skills.

Broad understanding of Earth science and strong skills in scientific data analysis and data management.

Extensive experience with Web-based design, computer graphics, HTML, Web engines such as Java, and object-oriented programming. Strong knowledge of meteorology, oceanography or other Earth science discipline, and of the display of large Earth system data sets, and experience with Python, MATLAB and/or graphics tools such as GrADS or IDL, and with Python, Perl or shell scripting, are highly desirable.

Graphics Systems

Specialist III

Works closely with NASA and Contractor staff to provide Web-based management, visualization, publication and presentation of GMAO scientific data.

Identifies requirements for the display and/or scientific assessment, monitoring and presentation of

GEOS model, DAS and associated data products.

Designs, codes and implements interactive and Web-based utilities for displaying and/or assessing these products. May act as Curator of the GMAO Web site and Intranet.

M.S. degree, or equivalent**, in atmospheric science, computer science, mathematics or physical science

Six years of scientific experience; excellent communication skills. Broad understanding of Earth science and strong skills in scientific data analysis and data management. Experience with Web-based design, computer graphics, HTML, Web engines such as Java, and object-oriented programming. Strong knowledge of meteorology, oceanography or other Earth science discipline, and of the display of large Earth system data sets, and experience with Python, MATLAB and/or graphics tools such as GrADS or IDL, and with Python, Perl or shell scripting, are highly desirable.

Graphics Systems

Specialist II

Works with NASA and Contractor staff to support the production of graphical and visual information for the

Web-based publication and/or monitoring, presentation and assessment of GEOS model, DAS and associated data products. Helps identify scientific requirements for the display and presentation of these products. Supports the design, coding and implementation of interactive and Web-based utilities and/or the organization, upgrade and maintenance of the GMAO Web site and Intranet.

M.S. degree, or equivalent**, in atmospheric science, computer science, mathematics or physical science

Two years of scientific experience; good communication skills. Broad understanding of Earth science and strong skills in scientific data analysis.

Experience with Web-based design, computer graphics and HTML. Knowledge of meteorology, oceanography or other Earth science discipline, and of the display of large Earth system data sets, and experience with

Python, MATLAB and/or graphics tools such as GrADS or IDL, and with Python, Perl or shell scripting, are highly desirable.

Graphics Systems

Specialist I

Supports the production of graphical and visual information for the Web-based publication and/or monitoring, presentation and assessment of GEOS model, DAS and associated data products. Supports the design, coding and implementation of interactive and Web-based utilities and/or the organization, upgrade and maintenance of the GMAO Web site and

Intranet.

B.S. degree, or equivalent***, in atmospheric science, computer science, mathematics or physical science

Two years of scientific experience; good communication skills. Broad understanding of Earth science and skills in scientific data analysis. Knowledge of Web-based design and computer graphics.

Knowledge of meteorology, oceanography or other

Earth science discipline, and experience with HTML, graphics tools and scripting languages are highly desirable.

Software Engineer IV Works closely with Contractor and NASA staff to provide software development leadership in the design, development, implementation, optimization, testing, maintenance and documentation of GMAO

Earth system model and DAS components using ESMF and running on high-end computing platforms. Plans, coordinates and performs large-scale software system development, integration and testing. Develops algorithms related to Earth system modeling, analysis, data handling or operations. Oversees and manages the Contractor software engineering staff.

B.S. degree, or equivalent***, in computer science, mathematics, engineering or physical science

Ten years of software engineering experience, including five in a supervisory role, and excellent communication skills. Command of software engineering principles and understanding of scientific programming. Extensive software development experience using Python, Perl or shell scripting, FORTRAN programming for parallel architectures, and CM tools such as CVS or Subversion.

Knowledge of atmospheric science, oceanography or mathematical modeling, experience with MPI and/or

ESMF, and extensive use of NASA (NCCS and/or NAS) high-end computing environments, are highly desirable.

Software Engineer III Works closely with Contractor and NASA staff to provide software development and planning for

GMAO Earth system model and DAS components running on high-end computing platforms. Designs, develops, optimizes, tests, documents and maintains

GMAO system components and data handling utilities. Develops algorithms related to Earth system modeling, analysis, data handling or operations.

B.S. degree, or equivalent***, in computer science, mathematics, engineering or physical science

Six years of software engineering experience; good communication skills. Command of software engineering principles and knowledge of scientific programming. Extensive software development experience using Python, Perl or shell scripting, FORTRAN programming for parallel architectures, and

CM tools such as CVS or Subversion. Knowledge of atmospheric science, oceanography or mathematical modeling, experience with MPI and/or ESMF, and use of NASA (NCCS and/or NAS) high-end computing environments, are highly desirable.

Software Engineer II Supports software development for GMAO Earth system model and DAS components running on high-end computing platforms. Develops, optimizes, documents and maintains GMAO system components and data handling utilities. Supports the development of test environments. Implements algorithms related to Earth system modeling, analysis, data handling or operations.

B.S. degree, or equivalent***, in computer science, mathematics, engineering or physical science

Two years of software engineering experience; good communication skills. Understanding of software engineering principles and familiarity with scientific programming. Software development experience using

Python, Perl or shell scripting and FORTRAN programming for parallel architectures. Knowledge of atmospheric science, oceanography or mathematical modeling, experience with CM tools, familiarity with

MPI and/or ESMF, and familiarity with NASA (NCCS and/or NAS) high-end computing environments, are highly desirable.

Software Engineer I Assists in software development for GMAO Earth system model and DAS components running on high-end computing platforms. Develops, documents and maintains GMAO system components and data handling utilities. Updates algorithms related to Earth system modeling, analysis, data handling or operations, and supports their testing.

B.S. degree, or equivalent***, in computer science, mathematics, engineering or physical science

Academic knowledge of programming in UNIX, FORTRAN and/or C++. Academic background in atmospheric science, oceanography or mathematical modeling is highly desirable.

Software Integration and

Test Engineer IV

Works with Contractor and NASA staff to provide technical leadership in the design, development, implementation, maintenance and documentation of integration and test procedures for the GEOS Earth system model and DAS. Plans, coordinates and performs system integration and test procedures, analyzing and documenting the results. May interface with users of GEOS products to define required product streams, and with distributors of GEOS products to ensure robust product delivery. Oversees the Contractor software integration and test engineering staff.

B.S. degree, or equivalent***, in computer science or physical science

Ten years of experience relevant to software integration and testing, including five in a leadership role; good organizational and communication skills.

Extensive experience with Python, Perl or shell scripting, and with CM tools such as CVS or Subversion.

Knowledge of atmospheric science, experience with the display and analysis of assimilated data sets using

Python, MATLAB and/or graphics packages such as

GrADS or IDL, extensive use of high-end computing environments and extensive experience working within an operational production environment, are highly

Software Integration and

Test Engineer III

Works with Contractor and NASA staff to provide the design, development, implementation, maintenance and documentation of integration and test procedures for the GEOS model and DAS. Plans and performs system integration and test procedures, analyzing and documenting the results. May interface with users of GEOS products to define required product streams, and with distributors of GEOS products to ensure robust product delivery.

B.S. degree, or equivalent***, in computer science or physical science

Six years of experience relevant to software integration and testing; good organizational and communication skills. Extensive experience with Python, Perl or shell scripting, and with CM tools such as CVS or Subversion.

Knowledge of Earth science, experience with the display and analysis of assimilated data sets using

Python, MATLAB and/or graphics packages such as

GrADS or IDL, use of high-end computing environments and experience working within an operational production environment, are highly desirable.

Software Integration and

Test Engineer II

Supports the design, development, implementation, maintenance and documentation of integration and test procedures for the GEOS model and DAS.

Performs system integration and test procedures, analyzing and documenting the results.

B.S. degree, or equivalent***, in computer science or physical science

Two years of experience relevant to software integration and testing; good organizational and communication skills. Experience with Python, Perl or shell scripting, and with CM tools such as CVS or

Subversion. Knowledge of Earth science, familiarity with the display and analysis of large data sets using

Python, MATLAB and/or graphics packages such as

GrADS or IDL, and familiarity with high-end computing environments, are highly desirable.

Software Integration and

Test Engineer I

Assists in the design, development, implementation, maintenance and documentation of integration and test procedures for the GEOS model and DAS.

Performs system test procedures and documents the results.

B.S. degree, or equivalent***, in computer science or physical science

Academic knowledge of scripting languages and scientific data analysis. Academic background in atmospheric science, oceanography or other Earth science discipline, and familiarity with graphical display packages, are highly desirable.

Systems Engineer IV Acts as an interface between GMAO (management and lead software system developers) and NASA computing center (NCCS and NAS) staff to provide leadership in computer resource requirements definition to meet throughput and product distribution requirements for high-priority GMAO production systems. Derives computer system and job scheduling configurations to meet performance

(throughput and product access) requirements and undertakes risk assessments based on available computer resources and scientific program performance. Undertakes overall computer hardware and software system requirements analyses for NCCS and recommends system solutions. Directs and oversees the Contractor systems engineering staff.

M.S. degree, or equivalent**, in computer science, engineering, or physical science

Ten years of experience relevant to systems engineering, including five in a leadership role; good communication skills. Extensive expertise in high-end computing platforms, software/hardware requirements analysis, programming languages and computer networks. Broad knowledge of scientific software systems, detailed knowledge of GMAO-specific computer platforms and networks, experience with high-speed communication links and state-of-the-art storage systems, knowledge of massively parallel computer architectures, and thorough knowledge of

NASA IT security policies and procedures, are highly desirable.

Systems Engineer III Undertakes GMAO system performance evaluations and contributes to optimization of system performance. Documents system performance, including scaling and reproducibility across several processor configurations and different compiling options. Supports computer resource requirements derivation by documenting computational performance for different resolutions and different numbers of computer processors. Works with computing center staff to address performance issues and to establish code benchmarks relevant to GMAO as needed.

B.S. degree, or equivalent***, in computer science or engineering

Six years of experience relevant to systems engineering;

good communication skills. Broad knowledge of high-end computing platforms, software/hardware requirements analysis, programming languages and computer networks. Broad knowledge of scientific software systems, code optimization techniques and

MPI, expert knowledge of GMAO-specific computer platforms and networks, and thorough knowledge of

NASA IT security policies and procedures, are highly

Systems Engineer II Supports computer resource requirements derivation by tracking and monitoring resource utilization.

Works with computing center staff to resolve performance issues, and documents performance tests. Helps to establish code benchmarks relevant to

GMAO as needed.

B.S. degree, or equivalent***, in computer science or engineering

Two years of experience relevant to systems engineering; good communication skills. Knowledge of high-end computing platforms, software/hardware requirements analysis and computer networks.

Knowledge of scientific software systems, code optimization techniques, MPI, GMAO computer platforms and networks, and NASA IT security policies and procedures, is highly desirable.

Systems Engineer I Assists in computer resource requirements derivation, performance testing and code benchmarking, as needed.

High school diploma and coursework in computer science or engineering

Academic knowledge of computing platforms, software and hardware requirements analysis, and computer networks. Knowledge of UNIX and code optimization, and good written communication and documentation skills, are highly desirable.

Operations Analyst IV Provides technical leadership for the operational production of the GEOS DAS. Develops, implements, documents and maintains procedures for the operation and monitoring of the DAS. Develops, implements, documents and maintains procedures to correct and prevent problems during operations.

Develops, implements and maintains Web-based documents describing system status and performance. Reports on system anomalies for evaluation of impact on scientific quality of data products. Directs and oversees the Contractor operations analyst staff.

M.S. degree, or equivalent**, in computer science, engineering, or physical science

Ten years of operations analyst experience, including five in a leadership role; good time management, organizational and communication skills. UNIX operating system experience, experience with Python, Perl and/or shell scripting, and familiarity with batch processing via queueing software. Skill in data management and data formatting libraries, familiarity with scientific graphics tools such as GrADS or IDL, and familiarity with meteorological data assimilation products, are highly desirable.

Operations Analyst III Operates and monitors the GEOS DAS to meet requirements for near-real-time analysis and forecast products. Identifies and corrects minor production anomalies, and assists in the implementation of patches for serious error conditions. Performs operational maintenance tasks, tracks resource utilization and contributes to system logs and status reports.

B.S. degree, or equivalent***, in computer science or physical science

Six years of operations analyst experience; good oral and written communication skills. Experience with scientific data processing activities in a real-time environment, UNIX operating system experience, flexibility under deadline pressure, and the ability to do shift work, including weekends. Familiarity with Python, Perl and/or shell scripts, knowledge of HTML and HTML editors, and experience with scientific graphics tools such as GrADS or IDL, are highly desirable.

Operations Analyst II Operates and monitors the GEOS DAS to meet requirements for near-real-time analysis and forecast products. Identifies minor production anomalies, and gathers information for the implementation of patches for serious error conditions. Performs operational maintenance tasks, tracks resource utilization and contributes to system logs and status reports.

B.S. degree, or equivalent***, in computer science or physical science

Two years of operations analyst experience; good oral and written communication skills. Experience with data processing activities, UNIX operating system experience, flexibility under deadline pressure, and the ability to do shift work, including weekends. Experience with scientific data processing activities in a real-time environment, familiarity with UNIX shell scripts, and knowledge of HTML and HTML editors, are highly desirable.

Operations Analyst I Operates and monitors the GEOS DAS to meet requirements for near-real-time analysis and forecast products. Identifies minor production anomalies, and helps gather information for the implementation of patches for serious error conditions. Performs operational maintenance tasks, tracks resource utilization and contributes to system logs and status reports.

High school diploma Two years of relevant experience; good written and oral communication skills. Experience with data processing activities and issuing UNIX operating system commands, flexibility under deadline pressure, and the ability to do shift work, including weekends. Experience with scientific data processing activities in a real-time environment, familiarity with UNIX shell scripts, and knowledge of HTML and HTML editors, are highly

Education and Public

Outreach Coordinator IV

Works closely with NASA and Contractor staff to provide leadership in the preparation and publication of documents to promote GMAO products and scientific results to agency program managers as well as the general public. Plans, coordinates and participates in the preparation and production of clear, engaging educational and scientific outreach materials, including brochures, reports, Web-based publications and presentations, suitable for students and lay persons.

B.S. degree, or equivalent***, in a physical science or education

Ten years of experience in education and public outreach; excellent written and oral communication skills. Knowledge of atmospheric science, oceanography or other Earth science discipline, and broad understanding of Earth system science. Extensive experience in Microsoft Office (Word, Excel, Powerpoint) and in computer-aided graphics and Web development tools such as the Adobe Creative Suite

(Photoshop, Illustrator, Dreamweaver, In Design, Acrobat).

Education and Public

Outreach Coordinator III

Works closely with NASA and Contractor staff in the preparation and publication of documents to promote GMAO products and scientific results to agency program managers as well as the general public. Prepares clear, engaging educational and scientific outreach materials, including brochures, reports, Web-based publications and presentations, suitable for students and lay persons.

B.S. degree, or equivalent***, in a physical science or education

Six years of experience in education and public outreach; excellent written and oral communication skills. Broad understanding of Earth system science.

Extensive experience in Microsoft Office (Word, Excel, Powerpoint) and in computer-aided graphics and Web development tools such as the Adobe Creative Suite

(Photoshop, Illustrator, Dreamweaver, In Design, Acrobat). Knowledge of atmospheric science, oceanography or other Earth science discipline is highly desirable.

Education and Public

Outreach Coordinator II

Supports the preparation of documents and presentations to promote GMAO products and scientific results to agency program managers as well as the general public. Prepares clear, engaging educational and scientific outreach materials, including brochures, reports and Web-based publications suitable for students and lay persons.

B.S. degree, or equivalent***, in a physical science or education

Two years of experience in education and public outreach; excellent written and oral communication skills. Proficiency in Microsoft Office (Word, Excel, Powerpoint) and in computer-aided graphics and Web development tools such as the Adobe Creative Suite

(Photoshop, Illustrator, Dreamweaver, In Design, Acrobat). Broad understanding of Earth system science is highly desirable.

Education and Public

Outreach Coordinator I

Supports the preparation of educational and scientific outreach materials, including brochures, reports and

Web-based publications suitable for students and lay persons.

B.S. degree, or equivalent***, in a physical science or education

Excellent written and oral communication skills.

Proficiency in Microsoft Office (Word, Excel, Powerpoint). Knowledge of computer-aided graphics and Web development tools such as the Adobe

Creative Suite (Photoshop, Illustrator, Dreamweaver, In

Design, Acrobat), and academic background in Earth science, are highly desirable.