Indefinite Delivery Contract HQ085926DE321

SI2 Technologies, Inc., a small business defense contractor headquartered in North Billerica, Massachusetts, was awarded a multiple-award Indefinite Delivery Indefinite Quantity (IDIQ) contract by the Missile Defense Agency on December 29, 2025, with a ceiling value of $151 billion and a period of performance extending through December 28, 2035. This contract, designated the Scalable Homeland Innovative Enterprise Layered Defense (SHIELD) IDIQ, utilizes full and open competition with no set-asides and is structured to support comprehensive, multi-domain defense capabilities. The contractor shall provide all necessary materials, labor, equipment, and facilities required to perform work under individual task and delivery orders issued by the government, which may include research and development, prototyping, disruptive technologies, systems engineering, weapon design, production, test and evaluation, cybersecurity, and modernization efforts.

The SHIELD IDIQ contract is designed to procure an advanced, multi-domain defense system capable of detecting, tracking, intercepting, and neutralizing threats to United States homeland, deployed forces, allies, and friends across air, missile, space, cyber, and hybrid domains. The procurement encompasses defense capabilities against ballistic, hypersonic, and cruise missiles, as well as other advanced aerial attacks across all flight phases. Given SI2 Technologies' established expertise in advanced communications, sensing, radar technologies, and specialized electronic components for military applications, the company is positioned to support various aspects of this layered defense initiative through delivery orders that may utilize multiple contract types and operate across different classification levels and security domains, leveraging technologies including artificial intelligence, machine learning, digital engineering, and open systems architectures.