> Markdown version of [/jobs/ext/1322776-it-system-administrator](https://www.wearedevelopers.com/jobs/ext/1322776-it-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). --- # IT System Administrator - **Company:** QBE LLC - **Location:** United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Windows, CompTIA Security+, Cyber Security, Linux Servers, Network Architecture, Network Administration, Network Routers, Information Technology, User Administration - **Published:** July 17, 2026 - **Apply:** https://www.dice.com/job-detail/344ae598-7bfb-4e92-8ce3-c073cbc03ecb ## About the Role Clearance: Must possess and maintain a Top Secret/SCI security clearance. Experience: Minimum 5+ years of relevant IT experience in an enterprise environment. Certifications: Possess current, industry-standard certifications relevant to their specific duties (e.g., CompTIA Security+, CCNA, RHCSA, MCSA). Certifications must meet DoD 8570/8140 requirements for their assigned role (e.g., IAT Level II). Technical Skills: Proven hands-on skills in network and system administration, troubleshooting, COMSEC, and customer support within a secure environment. Physical Requirements * Must be able to remain in a stationary position for up to 50% of the time. * Must be able to deliver clear and effective communication verbally and via email, phone, and virtual communication platforms to interface with co-workers and customers. * Must be able to occasionally move about inside an office environment to access file cabinets, office machinery, and communicate with co-workers. ## Description The Senior IT System Administrator is responsible for the day-to-day administration, maintenance, and security of the JWICS environment for US Army G2's Intelligence Division (AMIS-IN), Security Division (AMIS-SE), and the Special Projects Office (SPO) (AMIS-SEP)., System & Network Administration: Perform daily system administration tasks on Windows and/or Linux servers, including user account management, patching, and applying Security Technical Implementation Guides (STIGs). Manage and troubleshoot network infrastructure devices (switches, routers, firewalls). Tier 1/2 User Support: Provide direct support to end-users for technical issues, including VTC setup and troubleshooting, account resets, and software support. Escalate complex issues to senior specialists or external vendors as needed. Security Operations: Monitor security logs, respond to alerts, and assist with incident response and remediation activities. Ensure systems are backed up and that disaster recovery plans are tested. Technical Support: Provide skilled technical support across all performance areas as assigned by the Team Lead, adapting to emerging technologies and requirements. ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Thinking Differently - How to Make Money from Cyber Attacks & Cheats](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats) - [The Software Bug All Stars - and what we can learn from them](https://www.wearedevelopers.com/videos/423-the-software-bug-all-stars-and-what-we-can-learn-from-them) - [Modern Web Development with Nuxt3](https://www.wearedevelopers.com/videos/294-modern-web-development-with-nuxt3) - [Hacking MSSQL on Cloud. All of them. How I became sysadmin on Azure, AWS, GCP and Alibaba.](https://www.wearedevelopers.com/videos/100339-hacking-mssql-on-cloud-all-of-them-how-i-became-sysadmin-on-azure-aws-gcp-and-alibaba) - [Cyber Security: Small, and Large!](https://www.wearedevelopers.com/videos/259-cyber-security-small-and-large) ## Related Articles - [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 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) - [IT Salaries in UK](https://www.wearedevelopers.com/magazine/288-it-salaries-in-uk) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)