CACI NSS, LLC

CACI NSS, LLC delivers specialized engineering and systems design services to federal agencies, with deep expertise in network sustainment, modernization, and mission-critical IT infrastructure. The contractor provides end-to-end engineering support for defense and civilian systems, including integrated broadcast network services, medical enterprise support, and counter-WMD analytical platforms. Technical capabilities encompass systems integration, COTS software deployment, cloud-based solution architecture, and mission-focused IT modernization, with a strong emphasis on secure, scalable, and resilient network environments. Their work often involves legacy system upgrades, real-time data transmission architectures, and operational support for high-stakes national security and public health applications. The company maintains a consistent presence with the Department of Defense, delivering engineering and systems sustainment for tactical communications, medical logistics, and weapons defense platforms. It also supports the General Services Administration with enterprise-wide infrastructure modernization and the Department of Health and Human Services on cloud-based financial and laboratory information systems. These relationships reflect a pattern of trusted, long-term partnerships centered on mission-critical IT and systems engineering. Primary focus areas include engineering services, computer systems design, and security systems integration, positioning the firm as a technical solutions provider for federal agencies requiring robust, compliant, and mission-ready infrastructure. The contractor specializes in supporting complex, interoperable environments where reliability and security are paramount, particularly in defense and public health domains. Based in Reston, Virginia, CACI NSS, LLC operates as a 2L entity with no public certifications on record. Its geographic and operational footprint is aligned with federal mission centers, enabling rapid response and on-site technical support for critical government systems. The firm’s market positioning is defined by its technical precision in systems engineering and its ability to deliver sustained operational support under demanding federal requirements.