Tim Stewart

Tim Stewart serves as a key procurement lead within the Telecommunications Division (HC1013) of the Defense Information Systems Agency, where he manages mission-critical acquisitions to secure and modernize the Department of Defense’s global telecommunications infrastructure. His responsibilities include planning, soliciting, and awarding contracts for high-assurance satellite communications systems, secure virtual private networks, and resilient network services that support military and federal operations worldwide. He specializes in complex, performance-based acquisitions requiring stringent cybersecurity compliance, interoperability standards, and lifecycle sustainment planning, ensuring the agency’s infrastructure remains adaptive to evolving threats and technological advancements. Stewart maintains consistent partnerships with a core group of specialized contractors including AT&T Technical Services Company, Inc., Aerospace & Commercial Technologies, LLC, Liberty Communications, Inc., AOC Connect LLC, and Norfolk Fiber, LLC. These vendors are selected for their proven capabilities in deploying satellite-based telecom solutions, fiber-optic backbone integration, and secure network architecture services. His procurement approach emphasizes long-term vendor reliability, technical innovation, and operational continuity, often resulting in repeat engagements with contractors who demonstrate compliance with DoD cybersecurity frameworks and mission-critical service level agreements. Stewart’s procurement portfolio reflects a strict focus on full and open competition, with 100% of awards issued under no set-aside classifications. This underscores a strategic preference for technical excellence and mission readiness over socioeconomic categorizations, prioritizing capability and performance above all else in a domain where operational continuity is non-negotiable. His primary procurement focus lies in NAICS 517410 (Satellite Telecommunications), where he acquires end-to-end satellite communication systems, ground station equipment, bandwidth services, and encrypted data transport solutions. He possesses deep expertise in RF spectrum management, geosynchronous and low-earth-orbit satellite constellations, and secure waveforms compliant with MIL-STD and NSA standards, ensuring the DoD’s global connectivity remains robust, resilient, and future-ready.