Jason Siewert

Jason Siewert is a procurement professional responsible for managing complex acquisitions across high-technology and aerospace domains, supporting mission-critical government operations. He oversees the full lifecycle of contract actions—from requirements definition to award and administration—ensuring compliance with federal acquisition regulations and strategic sourcing objectives. His portfolio centers on specialized services and manufacturing capabilities essential to national defense and scientific advancement, with a focus on air transportation logistics, engineering R&D, and advanced aerospace systems. Siewert plays a pivotal role in aligning procurement outcomes with agency mission needs while maintaining rigorous oversight of contract performance and vendor accountability. His contractor relationships span a diverse range of industry participants, including prime contractors in aerospace manufacturing, defense systems integration, and scientific research services. He engages with both large primes and small business subcontractors to ensure competitive, innovative solutions are delivered. While no single vendor dominates his award profile, his approach emphasizes performance-based contracting, performance metrics, and risk mitigation through robust source selection criteria. Siewert fosters collaborative vendor relationships grounded in transparency, compliance, and technical proficiency. Siewert’s contracting patterns reflect a strong preference for open competition, with 94.1% of acquisitions conducted without set-aside restrictions. Nevertheless, he consistently reserves 5.9% of opportunities for Total Small Business Set-Asides under FAR 19.5, demonstrating a measured but deliberate commitment to small business participation. His approach prioritizes market readiness and capability over socioeconomic categorizations, ensuring that set-asides are used strategically to enhance competition and innovation. His primary procurement focus lies in NAICS 481212 (nonscheduled chartered freight air transportation), 541712 and 541715 (R&D in physical and engineering sciences), and 336414 and 336320 (guided missile/space vehicle and motor vehicle electronics manufacturing). These categories indicate deep expertise in procuring advanced aerospace systems, flight logistics, and specialized engineering research services, positioning him at the intersection of defense, science, and transportation innovation.