> Markdown version of [/jobs/ext/2973329-linux-systems-administrator](https://www.wearedevelopers.com/jobs/ext/2973329-linux-systems-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). --- # Linux Systems Administrator - **Company:** Mantech International Corporation - **Location:** San Antonio, TX, United States - **Contract:** Permanent contract - **Skills:** Amazon Web Services, JIRA, Microsoft Azure, Bash Shell, Cyber Security, System Configuration, Linux, Github, Python (Programming Language), Virtual Desktops, Network Protocols, Office Automation, OpenStack, Red Hat Enterprise Linux, Cloud Services, Ansible, VMware VSphere, IT Architecture, Gitlab, Git, Build Management, Information Technology, Vmware - **Published:** September 18, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9172037/linux-systems-administrator ## About the Role MANTECH seeks a motivated, career and customer-oriented Linux Systems Administrator to join our team in San Antonio, TX., * Bachelor's degree in a technical discipline with 10 years' experience as a Systems Administrator (SA) OR 5 years of additional SA experience may be substituted for a bachelor's degree. * In depth experience with Linux (Red Hat Linux (RHEL) 8, 9, & 10; Amazon Linux; Rocky, etc.) * Experience with Ansible & must possess strong knowledge of a wide range of cloud services / cloud-compute technologies such as AWS/Lambda functions. * STE/STN solutions, Networking protocols/equipment, STIG application. * IAT II certification (DoD 8140 required upon start of employment. Acceptable certifications include: CCNA-Security/CySA+/GICSP/GSEC/Security+ CE/CND/SSCP) * Design/develop/integrate hardware and/or software components into new and existing systems and perform maintenance on the development system infrastructure. * Participate in troubleshooting efforts Preferred Qualifications: * Experience with Ansible Automation Platform (AAP), Red Hat Satellite and Red Hat Image Builder. * Red Hat Certified Engineer (RHCE) Certificate. * Microsoft Azure products, VMWare (VSphere), OpenStack * Experience/Knowledge of Virtual Desktop deployment and configuration automation. * Knowledge in writing, configuring, and deploying Ansible Playbooks. * Strong knowledge in writing and implementing other scripting languages like Python and Bash Scripting. * Experience in managing and arranging JIRA projects, backlogs, sprints. * Experience using Git commands (GitLab/GitHub) to manage/push/pull projects and implement file version controls. * Creative, organized, and results driven, with the ability to condense and synthesize information quickly, working several efforts in tandem. * Excellent verbal and written communication skills. Clearance Requirements: * Must have a current/active Top Secret/SCI with Polygraph Physical Requirements: * The person in this position must be able to remain in a stationary position 50% of the time. * Occasionally move about inside the office to collaborate with other leaders/teams, use standard office automation equipment, and virtual communication ## Description The Linux Orchestration Services (LOS) team which is the standard of excellence for all things Linux within the organization. The selected candidate will play a critical role in overseeing the design, implementation, and maintenance of the organization's cloud-compute infrastructure. The ideal candidate will have a strong background in the Linux Operating System and automation technologies., * Analyze problems to determine technical solutions. * Maintain current knowledge on new and existing products, technologies, and/or architecture. * Be willing to learn and share knowledge with others and be able to work well with both internal and external constituents. * Design and build the information technology framework or environment. * Guide information technology projects to produce results that comply with established project requirements and IT architecture. ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Enabling automated 1-click customer deployments with built-in quality and security](https://www.wearedevelopers.com/videos/83-enabling-automated-1-click-customer-deployments-with-built-in-quality-and-security) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [The Developer Workstation Blind Spot: Why Your Security Stack Can't See What Matters Most](https://www.wearedevelopers.com/videos/100254-the-developer-workstation-blind-spot-why-your-security-stack-can-t-see-what-matters-most) ## 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) - [Should Tech Managers Be Developers First? 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