John Culmer

John Culmer serves as a Contracting Officer within the Contracting and Procurement office of the Transportation Security Administration under the Department of Homeland Security, where he manages the acquisition of mission-critical transportation security solutions. His portfolio focuses on procuring advanced detection systems, cybersecurity services, and operational support technologies essential to aviation and transit security infrastructure. Culmer oversees the full lifecycle of complex procurements—from market research and solicitation development to contract award and performance management—ensuring compliance with FAR, DFARS, and TSA-specific security requirements. He specializes in high-stakes acquisitions involving explosive detection systems, irradiation apparatus, and GPS-enabled rail monitoring technologies that directly enhance national security posture. While specific contractor names are not publicly disclosed, Culmer maintains a broad network of vendors specializing in defense-grade hardware, software integration, and technical consulting services. His contracting approach emphasizes competitive solicitation, rigorous technical evaluation, and performance-based contracting standards. He frequently engages with firms possessing ITAR/EAR compliance, CMMC alignment, and cybersecurity certifications to ensure the integrity and resilience of procured systems. Culmer’s set-aside preferences reflect a strong commitment to small business participation, with 16.7% of his acquisitions designated as total small business set-asides under FAR 19.5. Though the majority of his contracts remain open to all competitors, he actively promotes small business inclusion through targeted market outreach and simplified acquisition procedures aligned with socioeconomic goals. His primary NAICS focus areas include computer and peripheral equipment wholesaling, computer-related services, and management consulting, indicating deep expertise in procuring integrated technology solutions. He routinely sources custom software development, system integration services, and specialized packaging for secure logistics, demonstrating proficiency in both commercial and government-unique technical domains.