Mary E Castillo

Mary E. Castillo serves as a Contract Specialist within the FA3016 502 Cons Cl under the Department of the Air Force, where she plays a pivotal role in executing mission-critical acquisitions that sustain Air Force installation readiness. She manages a diverse portfolio of professional services contracts focused on facility maintenance, medical support systems, and information technology infrastructure. Her work directly supports operational continuity by ensuring installations maintain technologically advanced, safe, and compliant environments for personnel and equipment. Castillo specializes in full lifecycle contract administration, from solicitation and source selection to award and performance monitoring, with a strong emphasis on compliance with FAR and agency-specific acquisition policies. Castillo maintains established working relationships with a core group of contractors including PERRY MANAGEMENT CORP OF SOUTH DAKOTA, L.L.C., WILLIAM T BROOKS & ASSOCIATES INC, CITADEL FEDERAL SOLUTIONS LLC, NEXLEGACY LLC, and AJ COMMERCIAL SERVICES, INC. These partnerships reflect a preference for experienced vendors capable of delivering specialized technical and administrative services across complex Air Force environments. Her procurement patterns indicate a reliance on repeat contractors with proven performance histories, suggesting a focus on reliability, continuity, and mission alignment over frequent vendor rotation. Her contracting activity reflects a balanced approach to socioeconomic goals, with nearly two-thirds of awards issued under no set-aside, while actively supporting small business participation through Total Small Business Set-Asides (23.5%) and Service-Disabled Veteran-Owned Small Business Set-Asides (11.8%). This pattern demonstrates a strategic commitment to expanding small business engagement without compromising mission requirements. Castillo’s primary NAICS focus areas include Other Computer Related Services (541519) and All Other Professional, Scientific, and Technical Services (541990), underscoring her expertise in IT support, systems integration, and technical consulting. She also regularly procures educational support services (611710) and management consulting (541611), reflecting a broad operational scope that spans both technical and administrative domains critical to Air Force readiness.