Gregory Fields

Gregory A. Fields serves as a Contract Specialist within the Contracting and Procurement office of the Transportation Security Administration under the Department of Homeland Security. He plays a pivotal role in executing mission-critical acquisitions that enhance aviation and transit security infrastructure, specializing in the procurement of advanced detection systems, irradiation apparatus, and GPS-enabled rail monitoring technologies. His responsibilities encompass the full lifecycle of contract actions—from market research and solicitation development to award and administration—ensuring compliance with federal acquisition regulations while aligning purchases with national security priorities. Fields routinely handles complex technical procurements requiring specialized engineering and operational expertise, often involving high-stakes security systems deployed across critical transportation networks. While specific contractor names are not disclosed, Gregory Fields maintains a robust network of vendors capable of delivering precision-engineered security equipment and mission-support services. His working relationships span both large-capacity manufacturers and niche technology providers with proven capabilities in radiation detection, cybersecurity integration, and transportation system monitoring. He emphasizes performance-based contracting and rigorous source evaluation to ensure technical fidelity and operational readiness, fostering long-term vendor partnerships grounded in accountability and compliance. Gregory Fields demonstrates a strong preference for full and open competition, with 100% of his acquisitions conducted without set-asides, reflecting a mission-driven focus on technical capability over socioeconomic classifications. His approach prioritizes the most qualified offerors regardless of business size, ensuring that procurement decisions are driven by performance, innovation, and national security requirements rather than socioeconomic targets. His primary procurement focus lies in NAICS 334517 (Irradiation Apparatus Manufacturing), supporting the acquisition of advanced explosive detection systems, alongside NAICS 561621 (Security Systems Services) for integrated surveillance and monitoring solutions. He also regularly procures specialized support services under NAICS 811219 and 561990, demonstrating deep expertise in technical maintenance, logistics, and operational support for high-reliability security infrastructure.