Andrea Horstmann

Andrea L. Horstmann serves as a key procurement professional within the Telecommunications Division (HC1013) of the Defense Information Systems Agency, where she supports the acquisition of mission-critical telecommunications and network infrastructure solutions. Her role centers on securing reliable, high-capacity, and secure communications systems that enable global DoD operations, with a focus on modernizing legacy telecom architectures and deploying encrypted virtual private networks. She manages a portfolio of complex contracts involving satellite, fiber, and secure data transmission services, ensuring interoperability across military and federal networks while adhering to stringent cybersecurity and resilience standards. Horstmann maintains established relationships with leading telecommunications and systems integration contractors, including AT&T Technical Services Company, Inc., Aerospace & Commercial Technologies, LLC, Liberty Communications, Inc., AOC Connect LLC, and Norfolk Fiber, LLC. These partnerships reflect a preference for vendors with proven expertise in secure satellite communications, fiber-optic network deployment, and enterprise-grade network services. Her contracting approach emphasizes performance-based outcomes, technical compliance, and long-term sustainment capabilities, fostering collaborative vendor relationships grounded in mission readiness and operational continuity. Her procurement patterns show a strong orientation toward open competition, with 88.9% of awards issued without set-aside restrictions, indicating a focus on technical merit and capability over socioeconomic preferences. However, she consistently allocates 11.1% of awards to Total Small Business Set-Asides under FAR 19.5, demonstrating a measured commitment to small business participation without compromising mission-critical requirements. Horstmann’s primary procurement focus lies in NAICS 517410 (Satellite Telecommunications), reflecting her specialization in secure space-based communications, ground station integration, and encrypted satellite links. She also frequently procures services under NAICS 541519 (Other Computer Related Services), particularly for network management, cybersecurity support, and systems engineering. Her expertise spans the full lifecycle of tactical and strategic telecom systems, ensuring DoD networks remain resilient, scalable, and secure in contested environments.