Sibrena L. Nixon-Perez

Sibrena L. Nixon-Perez serves as a key procurement professional within the Defense Health Agency (DHA), supporting the agency’s mission to deliver integrated, high-quality health services to military personnel, retirees, and their families. Responsible for managing federal acquisitions under HT0050, she facilitates the procurement of essential support services critical to the operational readiness of the Global Military Health System. Her portfolio primarily encompasses non-clinical, mission-enabling contracts, with a focus on facility operations and information services, ensuring compliance with federal acquisition regulations and DHA’s strategic modernization goals. While specific contractor names are not publicly available, Nixon-Perez maintains a balanced procurement approach, engaging both large-capacity service providers and small business vendors to meet DHA’s operational demands. Her contracting patterns reflect a deliberate effort to foster competitive bidding environments while ensuring service reliability and regulatory adherence across diverse vendor types. She collaborates with contractors under full and open competition as well as set-aside mechanisms, promoting a robust supplier base aligned with DHA’s resilience and scalability objectives. Nixon-Perez exhibits a strong commitment to socioeconomic contracting, with equal weighting between total small business set-asides under FAR 19.5 and full and open competitions. This balanced approach underscores her dedication to expanding opportunities for small businesses without compromising acquisition efficiency or mission requirements. Her pattern of awarding 50% of contracts through small business set-asides signals consistent support for small business participation across the DHA supply chain. Her primary procurement focus lies in NAICS 561720 (Janitorial and Building Maintenance Services) and NAICS 511210 (Software Publishers), indicating expertise in both facility support services and health-related information technology solutions. She routinely manages contracts for custodial services, waste management, and digital health content platforms, demonstrating technical fluency in both physical infrastructure support and secure digital service delivery within the military health ecosystem.