Julienne Williams

Julienne Williams supports the Defense Information Systems Agency (DISA) in executing mission-critical IT and systems integration acquisitions aligned with the Department of Defense’s C4I modernization priorities. Though her formal title is not listed, her procurement activities center on securing secure, resilient, and interoperable information systems that sustain global military communications. She routinely manages contracts for computer systems design, cloud-enabled services, and facilities support, ensuring alignment with DISA’s strategic goals in cybersecurity, spectrum management, and enterprise IT sustainment. Her work directly enables the agency’s mission to deliver trusted command and control infrastructure across defense networks. Williams maintains a consistent working relationship with EXPRESSION NETWORKS LLC, a key contractor providing specialized IT services that support DISA’s infrastructure modernization efforts. Her procurement patterns reflect a preference for established vendors with proven capabilities in secure systems integration, though she also engages with a diverse vendor base to ensure technical innovation and operational flexibility. Her collaborations are characterized by a focus on performance-based outcomes, service-level agreements, and compliance with DoD cybersecurity standards such as NIST SP 800-53 and CMMC. Her contracting portfolio shows a strong emphasis on open competition, with 75% of awards issued without set-aside designation, while 25% are competed under the 8(a) Business Development Program. This balanced approach reflects a commitment to leveraging small business innovation without compromising mission readiness. She actively incorporates 8(a) certified firms into her acquisition strategy, demonstrating a deliberate effort to foster socioeconomic diversity while maintaining high standards for technical capability. Williams primarily procures services under NAICS 541512 (Computer Systems Design Services), 541519 (Other Computer-Related Services), and 561210 (Facilities Support Services). Her technical focus spans enterprise network architecture, secure cloud migration, IT operations support, and mission-critical facility sustainment—domains essential to maintaining DISA’s global IT backbone. Her expertise lies in acquiring integrated solutions that bridge infrastructure resilience with evolving cyber defense requirements.