> Markdown version of [/jobs/ext/1458835-cleared-system-administrator](https://www.wearedevelopers.com/jobs/ext/1458835-cleared-system-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Cleared System Administrator - **Company:** Yellow Duck Technologies Inc. - **Location:** Annapolis Junction, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Unix, CentOS, Linux, Monitoring of Systems, Networking Hardware, Red Hat Enterprise Linux, Reliability of Systems, Information Technology - **Published:** July 27, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=97306ccb94e24744 ## About the Role Yellow Duck Technologies is seeking cleared System Administrators with 10+ years of experience to support the implementation, troubleshooting, and maintenance of IT systems. This role involves managing IT infrastructure, handling day-to-day operations, monitoring systems, and resolving issues across client/server/storage/network devices. An active TS/SCI with Full Scope Polygraph clearance is required. ## Description * Support IT systems, including daily operations, monitoring, and problem resolution. * Manage UNIX and Windows operating systems, including installation, troubleshooting, and maintenance. * Enhance system reliability and performance through configuration and system improvements. * Handle Linux (CentOS/RHEL) installation and troubleshooting. * Perform VM maintenance, building, and troubleshooting. * Read vulnerability reports and ensure IAVA compliance. Yellow Duck is hiring cleared technical professionals at all skill levels. If you possess an active TS/SCI clearance with Full Scope Polygraph, please submit your resume for a friendly follow-up and quick job-matching response! ## Related Videos - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [The Time Paradox: Building Timezone-Safe Python/Django Applications](https://www.wearedevelopers.com/videos/1915-the-time-paradox-building-timezone-safe-python-django-applications) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Coffee with Developers - Robby Russell](https://www.wearedevelopers.com/videos/917-coffee-with-developers-robby-russell) - [Discover the open source trio you didn’t expect: .NET and PostgreSQL on Linux](https://www.wearedevelopers.com/videos/2042-discover-the-open-source-trio-you-didn-t-expect-net-and-postgresql-on-linux) ## Related Articles - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [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) - [A Guide to Green Tech and Green IT Careers](https://www.wearedevelopers.com/magazine/374-a-guide-to-green-tech-and-green-it-careers) - [Dev Digest 191: Malware interviews, EU ❤️ Open Source and Skilled Agents](https://www.wearedevelopers.com/magazine/645-dev-digest-191-malware-interviews-eu-open-source-and-skilled-agents) - [Dev Digest 162: AI careers, MCP, AWS best practices & floppy sweaters](https://www.wearedevelopers.com/magazine/571-dev-digest-162-ai-careers-mcp-aws-best-practices-floppy-sweaters) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)