Indefinite Delivery Contract HQ085926DF734

Constellation Software Engineering, LLC, a Service-Disabled Veteran-Owned Small Business headquartered in Annapolis, Maryland, was awarded a Multiple Award Indefinite Delivery contract by the Missile Defense Agency on December 29, 2025, with a ceiling value of $151 billion and an ultimate completion date of December 28, 2035. This contract represents one of several awards under the Missile Defense Agency's Scalable Homeland Innovative Enterprise Layered Defense (SHIELD) Multiple Award Indefinite Delivery Indefinite Quantity procurement, which was conducted under full and open competition with no set-aside designations. Under the contract terms, Constellation Software Engineering shall provide all necessary materials, labor, equipment, and facilities required to support the Missile Defense Agency's comprehensive multi-domain defense initiatives, with work to be performed in accordance with individual delivery orders issued throughout the contract's 10-year period of performance.

The SHIELD contract procures advanced research, development, prototyping, systems engineering, weapon design, production, test and evaluation, cybersecurity, and modernization capabilities supporting the nation's layered defense architecture against air, missile, space, cyber, and hybrid threats to the United States homeland, deployed forces, allies, and friends. Individual task and delivery orders will be issued across multiple North American Industry Classification System codes and utilize various contract types including firm fixed-price, labor-hour, and time-and-materials arrangements. The procurement leverages emerging technologies including artificial intelligence, machine learning, digital engineering, and open systems architectures, with orders potentially classified at multiple security levels requiring appropriate facility clearances. Constellation Software Engineering's established expertise in software development, engineering support, project management, information technology services, cybersecurity solutions, and technical consulting, demonstrated through its substantial portfolio of prime federal awards across the Department of Defense and civilian agencies, positions the company to deliver integrated solutions supporting this strategic long-term investment in homeland defense capabilities.