> Markdown version of [/jobs/ext/2160727-systems-administrator-iii](https://www.wearedevelopers.com/jobs/ext/2160727-systems-administrator-iii). 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). --- # Systems Administrator III - **Company:** Ert - **Location:** Laurel, MD, United States - **Experience:** Expert - **Salary:** $125,000.0 - $170,000.0 - **Contract:** Permanent contract - **Skills:** Active Directory, Information Systems, Computer Engineering, Dynamic Host Configuration Protocol, Domain Name System (DNS), Security Content Automation Protocol, Software Vulnerability Management, Information Technology - **Published:** August 21, 2026 - **Apply:** https://jobs.localjobnetwork.com/apply/add/88108117/1 ## About the Role * Must be able to obtain and maintain a US Security clearance which requires US Citizenship. * Master's level degree in Electrical/Electronic/Computer Engineering, Computer Science, or Information Systems. * Minimum 7 years professional experience in systems administration. * Minimum 2 years of system administrator experience with SeaVision. * Travel requirements: minimum 50% throughout the year ## Description Execute CONUS and OCONUS daily support of SeaVision Operator, SeaVision Analyst, SeaVision Executive, SeaVision Train-the-Trainer and development environments * Coordinate cross-team for Test and Production sustainment to include, but not limited to operating system/software End of Life, Vulnerability remediation/reporting, ACAS/SCAP review/finding remediation, and Evaluate environments to determine if there are any opportunities for cost savings * Troubleshoot complex hardware and software problems, taking appropriate corrective action and/or interacting with IT staff or customers in performing dynamic testing, support and troubleshooting functions with little to no supervision * Perform complex computing environment build-outs, user training, installation, maintenance and support with emphasis on documentation of operating procedures and processes * Provide support of Active Directory, Group Policy, DHCP, DNS, etc. * Provide on-call support and maintenance duties as required. * Monitor server performance/capacity, forecast system demands, recommend upgrades, expansions, and reconfigurations ## Related Videos - [Swapping a Data Warehouse at Runtime: Zero-Downtime Migration Without Changing a Single Client](https://www.wearedevelopers.com/videos/100311-swapping-a-data-warehouse-at-runtime-zero-downtime-migration-without-changing-a-single-client) - [Microservices? Monoliths? An Annoying Discussion!](https://www.wearedevelopers.com/videos/970-microservices-monoliths-an-annoying-discussion) - [MCP Mashups: How AI Agents are Reviving the Programmable Web](https://www.wearedevelopers.com/videos/1392-mcp-mashups-how-ai-agents-are-reviving-the-programmable-web) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) - [Agentic AI: building autonomous systems for developers](https://www.wearedevelopers.com/videos/100034-agentic-ai-building-autonomous-systems-for-developers) ## 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) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)