
Job description
Join Riverstone Enterprise Solutions as a Principal Systems Administrator in Annapolis Junction, Maryland. This role involves supporting the implementation, troubleshooting, and maintenance of IT systems, as well as managing daily activities and providing assistance to users.
Provide support for IT systems, including day-to-day operations, monitoring, and problem resolution. Manage UNIX and Windows operating systems, configure and manage network devices, and analyze and resolve complex problems.
This role requires a motivated and career-oriented individual with 15 years of experience as a Systems Administrator. A bachelor's degree in a technical discipline is required, or 5 years of additional experience may be substituted.
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Tech, Software & IT Services
Riverstone Enterprise Solutions delivers mission‑critical technology services to the U.S. Intelligence Community, supporting national‑security programs since 2008. The firm builds high‑performing engineering teams and creates enterprise‑scale solutions that combine the agility of a boutique firm with the impact of a large‑scale mission. Core capabilities span cybersecurity, cloud computing, big data, AI/ML, analytics, DevSecOps, software engineering, systems integration, automation, data modeling, and signal mission systems. Riverstone emphasizes long‑term stability, minimal bureaucracy, and an engineer‑first culture that offers direct access to decision‑makers and ownership of technical outcomes.