> Markdown version of [/jobs/ext/4421194-system-administrator](https://www.wearedevelopers.com/jobs/ext/4421194-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). --- # System Administrator - **Company:** Avalore, LLC - **Location:** Arlington, VA, United States - **Salary:** $107,000 - $220,000 - **Contract:** Permanent contract - **Skills:** Software Documentation, Cyber Security, Computer Terminals, System Configuration, Data Infrastructure, Desktop Computing, Monitoring of Systems, Microsoft Office, Service Pack, Infrastructure Automation Frameworks, User Accounts - **Published:** October 31, 2026 - **Apply:** https://www.careerbuilder.com/job-details/system-administrator-arlington-va--fceff4a8-e3d5-44a4-80f9-5c36a286e1fd ## About the Role Systems Administration/Management, Systems Maintenance, Software Patches, On Call, Computer Security, Administrative Skills, Systems Administration/Management, User Account Administration, Documentation, Policy Development, * SECRET Security Clearance Required * Cloud+, GICSP, GSEC, Security+, or SSCP cerification (for Junior / Journeyman roles) * SecurityX / CASP+, CCNP Security, CCSP, FITSP-O, or GFACT certification (for Senior role) * We are actively seeking multiple levels: * + Junior: 0 - 3 years of experience + Bachelor's Degree + Journeyman: 4 - 7 years of experience + Bachelor's Degree + Senior: 8+ years of experience + Bachelor's Degree * Good communication skills, self-starter mindset. * Professional proficiency in English is required. * Demonstrated proficiency in using all Microsoft Office applications. * Applicants must be currently authorized to work in the United States on a full-time basis. Avalore will not sponsor applicants for work visas for this position. Work Environment: * Moderate noise (i.e. business office with computers, phone and printers) and /or occasional Loud noise (airfield, large equipment). * Ability to sit at a computer terminal for an extended period of time. ## Description The System Administrator is responsible for the daily operation, maintenance, and security of the War Data Platform (WDP) infrastructure. This person will perform hands-on system administration tasks, including managing user accounts, permissions, and system configurations in accordance with established operational policies. This person will implement and maintain system monitoring tools, configure and manage backup and recovery systems, and automate routine administrative tasks using scripting and automation tools. They will conduct regular system health checks, apply system updates and patches to mitigate vulnerabilities, and serve as a primary point of contact for troubleshooting hardware and software issues. The System Administrator will maintain system documentation, monitor system logs for performance and security anomalies, and participate in on-call rotations to ensure 24/7 platform availability.