Cheata Sieng

Cheata Sieng serves as a Management Analyst within the U.S. Marshals Service Office of Security Contracts, supporting the Department of Justice’s mission to ensure the safety and operational integrity of federal judicial proceedings. In this role, Sieng plays a critical part in the planning, analysis, and execution of mission-critical security acquisitions, ensuring compliance with federal procurement regulations and alignment with DOJ security standards. They specialize in managing contracts for protective services, security systems, and facility support infrastructure, bridging operational needs with acquisition strategy to maintain resilient court environments. Their work directly enables the deployment of trained personnel and secure infrastructure essential to protecting judges, witnesses, and federal court operations. Sieng collaborates with a diverse range of contractors specializing in physical security services, electronic surveillance systems, and facility maintenance. While no single vendor dominates the portfolio, the contracting patterns reflect consistent engagement with firms capable of delivering scalable, compliant, and mission-responsive security solutions. Relationships are typically transactional yet strategic, emphasizing performance accountability, regulatory adherence, and rapid response capabilities required in high-risk federal environments. Sieng’s procurement portfolio reflects a strong preference for open competition, with 83.3% of acquisitions conducted without set-aside restrictions. However, a meaningful 13.3% of contracts are awarded under Total Small Business Set-Asides (FAR 19.5), and 3.3% are competed under the 8(a) program, demonstrating a measured but intentional commitment to small business inclusion without compromising mission readiness. The primary NAICS focus areas include 561612 (Security Guards and Patrol Services) and 561621 (Security Systems Services), underscoring expertise in personnel-based protection and integrated electronic security infrastructure. Additional procurement activity supports commercial and industrial equipment maintenance (811310) and specialized facility services, indicating broad technical proficiency in sustaining secure operational environments through integrated service delivery.