Sarah E. Jayjack

Sarah E. Jayjack serves as a Contracting Officer within the Public Buildings Service’s R5 Acquisition Management Division, where she manages the acquisition of mission-critical facility services and infrastructure upgrades for federal buildings nationwide. Her portfolio centers on construction support, building systems modernization, and facility operations, ensuring compliance with federal procurement regulations while advancing the agency’s goal of maintaining safe, efficient, and sustainable federal infrastructure. She routinely executes contracts under FAR Part 36 for construction and renovation services, as well as service-based acquisitions under Part 37, leveraging competitive bidding, task order determinations, and performance-based contracting methodologies to meet operational demands across the federal real estate portfolio. Jayjack maintains a consistent working relationship with MCKENZIE CONSTRUCTION & SITE DEVELOPMENT LLC, a primary contractor for interior renovations and site development services. Her procurement patterns reflect long-term vendor partnerships built on performance reliability and technical proficiency in facility support disciplines. She engages with a mix of large contractors and small businesses, favoring established vendors with demonstrated capacity in complex federal environments, while actively facilitating competition through open solicitations and streamlined evaluation processes. Her set-aside preferences are heavily skewed toward open competition, with 83.8% of awards issued without socioeconomic set-asides. However, she consistently allocates approximately 10.8% of opportunities to Total Small Business Set-Asides under FAR 19.5, with smaller but deliberate allocations to HUBZone and Women-Owned Small Business concerns, reflecting a balanced approach that prioritizes competition while supporting socioeconomic goals where feasible. Jayjack’s primary procurement focus lies in NAICS 238290 (Other Building Equipment Contractors), which encompasses specialized trades such as electrical, mechanical, and integrated building systems. She also regularly procures janitorial services (561720), plumbing and HVAC work (238220), food service operations (722310), and landscaping (561730), demonstrating deep expertise in facility sustainment and operational support contracting across a broad spectrum of building systems and service disciplines.