JohnYallech, Jr.

John Yallech, Jr. serves as a Contracting Officer within the Public Buildings Service’s R4 (AMD) Acquisition Management Division, where he plays a pivotal role in executing the federal government’s mission to deliver secure, efficient, and sustainable infrastructure. He manages the full lifecycle of construction and renovation contracts for mission-critical federal facilities, including courthouses and office complexes, ensuring compliance with federal acquisition regulations and aligning procurements with strategic modernization goals. His portfolio primarily encompasses design-build, construction management, and integrated services contracts under the Commercial and Institutional Building Construction NAICS code. John maintains a consistent and strategic working relationship with MCKENZIE CONSTRUCTION & SITE DEVELOPMENT LLC, a trusted prime contractor with deep expertise in federal facility delivery. His procurement approach emphasizes long-term vendor partnerships grounded in performance reliability, regulatory compliance, and proactive collaboration, fostering a stable contractor ecosystem that supports complex, high-stakes infrastructure projects. He demonstrates an unwavering commitment to small business participation, directing 100% of his acquisitions toward total small business set-asides under FAR 19.5. This reflects a deliberate strategy to maximize economic opportunity for small firms and aligns with the GSA’s broader socioeconomic objectives. His contracting patterns consistently prioritize small business eligibility, ensuring that qualified small contractors have equitable access to federal construction opportunities. John’s technical expertise centers on NAICS 236220, specializing in the procurement of commercial and institutional building construction services. His domain knowledge encompasses site development, structural systems, MEP integration, and sustainable building practices tailored to federal standards. He brings a disciplined, risk-managed approach to managing construction contracts, ensuring projects meet stringent security, accessibility, and environmental requirements while advancing the Public Buildings Service’s vision for resilient federal infrastructure.