Mark D. Jefferson

Mark D. Jefferson serves as a Contracting Officer for FA4626 341 Cons Lgc within the Department of the Air Force, where he manages the acquisition of critical civil engineering and facility infrastructure services essential to mission readiness. His portfolio focuses on sustaining and modernizing Air Force installations through contracts for HVAC, electrical, plumbing, structural, and site preparation systems. Jefferson ensures compliance with federal acquisition regulations while aligning procurements with strategic priorities in resilience, safety, and operational continuity across military bases. He oversees full lifecycle contract actions—from solicitation and evaluation to award and administration—primarily for construction and maintenance services supporting core airfield and base infrastructure. Jefferson maintains a consistent working relationship with MID MOUNTAIN BOILER AND STEAM, INC., a key contractor specializing in heating and steam systems, reflecting a pattern of repeat engagement with firms demonstrating technical proficiency in complex facility systems. His procurement approach favors long-term vendor partnerships built on performance reliability and compliance with technical specifications for mission-critical environments. He frequently collaborates with contractors experienced in retrofitting aging infrastructure, integrating energy-efficient technologies, and meeting stringent military construction standards under the Uniform Facilities Criteria. A strong advocate for small business participation, Jefferson consistently employs Total Small Business Set-Asides under FAR 19.5, with nearly 70% of his awards reserved for small businesses. This reflects a deliberate strategy to broaden vendor diversity and foster local economic resilience while ensuring access to qualified, capable contractors capable of delivering high-quality facility services. His contracting patterns show minimal reliance on large business sole-source awards, emphasizing competitive small business opportunities across multiple socioeconomic categories. His primary procurement focus lies in NAICS 238220 (Plumbing, Heating, and Air-Conditioning Contractors), 237310 (Highway, Street, and Bridge Construction), and 238210 (Electrical Contractors), underscoring deep expertise in utility systems, site infrastructure, and institutional building construction. Jefferson’s technical domain knowledge spans facility modernization, mechanical systems integration, and civil works, ensuring acquisitions meet Air Force standards for durability, safety, and operational sustainability.