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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior System Administrator, Level III - **Company:** Staffed4U LLC - **Location:** Columbia, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Cloud Computing, Data Centers, Data Warehousing, Hypervisor, Linux System Administration, Performance Tuning, Software Engineering, Virtualization Technology, Computer Networking Systems, High Performance Computing, Large Language Models, Cloud Integration - **Published:** September 5, 2026 - **Apply:** https://www.clearancejobs.com/jobs/8879651/senior-system-administrator-level-iii ## About the Role * Strong Linux systems administration experience in operational environments. * Experience installing and maintaining GPU accelerated or high performance compute systems, particularly NVIDIA enterprise class hardware. * Demonstrated ability to document technical processes clearly and professionally. * Experience working within structured data center or warehouse environments. * Familiarity with virtualization technologies and hypervisors. * Ability to troubleshoot hardware and software issues across networked systems. * Strong communication skills and experience interacting directly with mission users. * Proven ability to operate independently while coordinating effectively with distributed support teams. Nice to Haves: * Forward leaning mindset with enthusiasm for improving user experience. * Comfort working hands on with hardware in a warehouse environment. * Relationship builder who understands that mission success depends on strong coordination with onsite support teams. * Flexible and growth oriented, with interest in expanding into cloud, AWS, and LLM support over time. * Commitment to building documentation and processes that make tomorrow's installs faster than today's. ## Description Description: You will support CNO Capabilities as a senior System Administrator and technical contributor responsible for sustaining and evolving a high-performance operational IT environment. This is not a ticket only administrator role. We are looking for someone who takes ownership of systems, documents with precision, builds strong relationships, and actively looks for ways to improve how engineers work every day. This role requires a forward leaning professional who enjoys working directly with users, optimizing workflows, and building repeatable processes that make future efforts faster and more efficient., * Install, configure, and maintain high performance compute hardware, including NVIDIA H100, H200, and B300 class accelerator platforms. * Uninstall and relocate existing equipment to a government data warehouse while ensuring configuration integrity and proper tracking. * Lead installation and sustainment efforts for new and legacy hardware within the warehouse environment. * Document installation procedures, configurations, and lessons learned to create repeatable, scalable deployment playbooks. * Develop strong working relationships with onsite System Administrators at the warehouse to streamline troubleshooting and escalate priorities when mission timelines require it. * Identify gaps in onsite support coverage and recommend improvements to reduce downtime and response time. * Partner directly with contract engineering teams to optimize system performance and user workflows. * Maintain detailed technical documentation, diagrams, and standard operating procedures with a level of clarity that allows another engineer to step in seamlessly. * Support virtualization efforts and contribute to long term IT modernization strategies. * Adapt as mission requirements evolve, including future support for AWS, cloud integrations, and Large Language Model infrastructure., * This position requires work to be performed on-site in a secure environment * Candidates must maintain an active security clearance * U.S. citizenship may be required based on contract requirements ## Related Videos - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [An alternative approach to digital sovereignty: Confidential Computing](https://www.wearedevelopers.com/videos/100043-an-alternative-approach-to-digital-sovereignty-confidential-computing) - [The Sustainability Race: AI's Promises, Pitfalls and Potential](https://www.wearedevelopers.com/videos/100155-the-sustainability-race-ai-s-promises-pitfalls-and-potential) - [Green Cloud Computing](https://www.wearedevelopers.com/videos/592-green-cloud-computing) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [20 Years of Solving Unsolvable Problems](https://www.wearedevelopers.com/videos/100214-20-years-of-solving-unsolvable-problems) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [7 Cloud Computing Trends Coming in 2025 for Developers](https://www.wearedevelopers.com/magazine/412-7-cloud-computing-trends-coming-in-2025-for-developers) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Best US AI Conferences for CTOs in 2026: Build vs. Buy, Vendor Evaluation, and Peer Intelligence](https://www.wearedevelopers.com/magazine/736-best-us-ai-conferences-for-ctos-in-2026-build-vs-buy-vendor-evaluation-and-peer-intelligence)