William Mallison

William Mallison serves as a key procurement professional within the Contract Administration Services Division of the Department of Homeland Security’s Office of Procurement Operations, where he manages the acquisition of critical professional, scientific, and technical services essential to national security operations. His responsibilities include overseeing the full lifecycle of contracts for engineering, cybersecurity, and systems integration services, ensuring alignment with federal acquisition regulations and mission-critical operational requirements. He routinely handles complex, performance-based acquisitions for advanced technology systems, including those supporting physical infrastructure resilience and digital defense capabilities. Mallison maintains collaborative relationships with a diverse pool of vendors specializing in systems engineering, computer systems design, and wireless communications equipment manufacturing. While no single contractor dominates his portfolio, he consistently engages with firms possessing top-tier technical certifications and proven track records in delivering secure, scalable solutions. His contracting approach emphasizes performance outcomes, rigorous technical evaluation, and compliance with FAR Part 12 and Part 37 standards for service acquisitions. His procurement patterns reflect a strong preference for open competition, with 84.6% of awards issued under non-set-aside conditions, indicating a focus on technical merit and capability over socioeconomic preferences. Nevertheless, he actively supports small business participation, with 15.4% of awards designated as total small business set-asides under FAR 19.5, demonstrating a balanced commitment to both competition and socioeconomic goals. Mallison’s primary technical focus lies in NAICS categories 541330 (Engineering Services), 541512 (Computer Systems Design Services), 541519 (Other Computer Related Services), and 334220 (Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing), reflecting deep expertise in cybersecurity infrastructure, network systems, and mission-critical communications technology. He also supports educational support services to enhance workforce readiness, underscoring his holistic approach to sustaining DHS’s technical workforce and operational capabilities.