John S. Lingamfelter

John S. Lingamfelter serves as a Contract Administrator for the FA4528 5 Cons under the Department of the Air Force, where he plays a pivotal role in managing the acquisition of critical infrastructure support services essential to sustaining and modernizing Air Force installations. His responsibilities include planning, soliciting, awarding, and administering contracts for building systems integration, structural construction, and facility maintenance projects. He specializes in complex, mission-critical procurements involving electrical, plumbing, HVAC, and roofing systems, ensuring compliance with federal contracting regulations and alignment with the agency’s operational readiness goals. His work directly supports the delivery of safe, functional, and energy-efficient facilities across military bases. Lingamfelter maintains a consistent working relationship with MCKENZIE CONSTRUCTION & SITE DEVELOPMENT LLC, a primary contractor delivering comprehensive site development and building systems integration services. His procurement approach emphasizes performance-based contracting and long-term vendor partnerships, fostering collaboration with contractors who demonstrate technical proficiency in commercial, institutional, and industrial construction environments. He prioritizes accountability, schedule adherence, and quality control in contractor performance, ensuring deliverables meet stringent Air Force engineering and safety standards. His contracting patterns reflect a strong commitment to small business participation, with nearly 44% of awards structured as Total Small Business Set-Asides under FAR 19.5. While the majority of acquisitions remain open to all competitors, his consistent use of small business set-asides underscores a deliberate strategy to expand economic opportunity and enhance competition among qualified vendors. He actively leverages socioeconomic programs to cultivate a diverse supplier base aligned with Air Force resilience objectives. Lingamfelter’s procurement focus centers on NAICS 238220 (Plumbing, Heating, and Air-Conditioning Contractors) and 238210 (Electrical Contractors), reflecting deep expertise in mechanical and electrical systems integration. He also regularly manages contracts under 236210 (Industrial Building Construction) and 238910 (Site Preparation Contractors), demonstrating proficiency in end-to-end facility lifecycle support. His technical domain spans building envelope systems, utility infrastructure, and industrial facility upgrades, ensuring installations remain operationally viable and compliant with federal energy and environmental mandates.