Christine Chui

Christine Chui serves as a key procurement professional within the Contract Administration Services Division of the Department of Homeland Security’s Office of Procurement Operations, where she supports the acquisition of critical professional, scientific, and technical services essential to national security operations. Her work centers on managing complex contracts for systems engineering, cybersecurity, and research and development services that enhance operational readiness and infrastructure integrity. She routinely oversees the full lifecycle of acquisitions—from requirement definition and market research to contract award and administration—ensuring compliance with federal procurement regulations and alignment with DHS strategic priorities. Chui maintains collaborative relationships with a diverse array of contractors specializing in management consulting, technical services, and computing infrastructure. While no single contractor dominates her portfolio, she consistently engages firms with proven expertise in systems design, data hosting, and scientific consulting, fostering competitive, performance-based partnerships that emphasize technical excellence and mission alignment. Her contracting approach prioritizes transparency, risk mitigation, and vendor accountability, encouraging innovation through open competition and rigorous evaluation criteria. Chui’s procurement patterns reflect a strong preference for full and open competition, with 100% of her acquisitions conducted without set-asides, indicating a focus on selecting the most qualified providers regardless of socioeconomic status. This approach underscores her commitment to mission-critical outcomes over socioeconomic quotas, while still ensuring fair and equitable access for all eligible vendors under federal contracting guidelines. Her primary NAICS focus includes Other Management Consulting Services (541618), All Other Professional, Scientific, and Technical Services (541990), and Computer Systems Design Services (541512), reflecting deep expertise in procuring advisory services for cybersecurity architecture, engineering analysis, and cloud-based computing infrastructure. She regularly acquires specialized technical support services that underpin DHS’s mission to secure critical systems and advance scientific innovation across federal operations.