William C. Fuller

William Fuller serves as a Contract Specialist within the Information Technology Division of U.S. Immigration and Customs Enforcement, where he manages the acquisition of mission-critical IT systems that support national security and immigration enforcement operations. His portfolio centers on the procurement of custom software development, systems integration, and secure infrastructure solutions essential to case management platforms, cyber defense tools, and real-time data analytics environments. He ensures compliance with federal acquisition regulations while aligning contracting strategies with the agency’s modernization priorities, emphasizing agile development, cybersecurity standards, and scalable cloud-based architectures. Fuller maintains established working relationships with key vendors including BI2 TECHNOLOGIES, LLC and ECLINICALWORKS LLC, primarily engaging them for software development, system design, and integrated digital platform support. His contracting approach reflects a preference for long-term, performance-based partnerships with firms demonstrating technical proficiency in federal compliance, secure coding practices, and interoperability with legacy government systems. He consistently collaborates with vendors who bring domain-specific expertise in law enforcement and immigration data environments. His set-aside preferences are overwhelmingly focused on open competition, with 93.8% of acquisitions conducted without socioeconomic set-asides, reflecting a mission-driven emphasis on technical capability over socioeconomic criteria. While small business participation is limited, he does allocate 6.3% of contracts under total small business set-asides, ensuring opportunities for qualified firms capable of meeting stringent technical and security requirements. Fuller’s procurement activity is concentrated in NAICS 541511 (Custom Computer Programming Services) and 541512 (Computer Systems Design Services), reflecting deep specialization in bespoke software development and enterprise system integration. He also procures related services under NAICS 561612 (Security Guards and Patrol Services) and 511210 (Software Publishers), indicating a broad but targeted approach to securing both digital and physical security infrastructure. His expertise lies in acquiring high-assurance IT solutions that meet DHS and ICE cybersecurity mandates.