> Markdown version of [/jobs/ext/3548893-linux-system-administrator](https://www.wearedevelopers.com/jobs/ext/3548893-linux-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). --- # Linux System Administrator - **Company:** Johns Hopkins Applied Physics Laboratory - **Location:** Laurel, MD, United States - **Salary:** $110,000.0 - $150,000.0 - **Contract:** Permanent contract - **Skills:** Bash Shell, Ubuntu (Operating System), Configuration Management, Cyber Security, Dynamic Host Configuration Protocol, Domain Name System (DNS), Monitoring of Systems, Identity and Access Management, Linux System Administration, Linux Servers, Red Hat Enterprise Linux, Ansible, TCP/IP, Virtual Local Area Networks, Virtualization Technology, Data Logging, Scripting, Infrastructure Automation Frameworks, Puppet, User Accounts - **Published:** October 2, 2026 - **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=2997289302-2 ## About the Role * Linux server administration * RHEL/Cent * OS/Ubuntu * Bash/Python scripting * Configuration management (Ansible/Puppet) * System monitoring and logging * User and access management * Storage and backup management * Security hardening and compliance * Virtualization/VMware/KVMNetworking (TCP/IP, DNS, DHCP, VLANs) ## Description Johns Hopkins Applied Physics Laboratory (APL) seeks a Linux System Administrator to support mission-critical research and engineering systems in a secure, high-performance environment. You will install, configure, and harden Linux servers; manage user access, storage, and backups; monitor performance; and troubleshoot complex issues. Collaborate with researchers and engineers to optimize compute environments, ensure security compliance, automate routine tasks, and document configurations while contributing to innovative, mission-driven projects in national security, space, and health., * Install, configure, and maintain Linux servers for research and engineering workloads. * Monitor system health, performance, and capacity; troubleshoot complex issues. * Implement security hardening, patching, and compliance with lab policies. * Manage user accounts, access controls, storage, and backup/restore processes. * Automate routine administration tasks using scripts and configuration management tools. * Support researchers and engineers to optimize compute environments and workflows. * Document architectures, configurations, and operational procedures. * Collaborate with IT, cybersecurity, and project teams on mission-critical initiatives. ## Related Videos - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Develop on Windows, Deploy on Red Hat Enterprise Linux](https://www.wearedevelopers.com/videos/1600-develop-on-windows-deploy-on-red-hat-enterprise-linux) - [Dev & Test in the Cloud? Deploy your cloud environments with Ansible & Terraform](https://www.wearedevelopers.com/videos/1607-dev-test-in-the-cloud-deploy-your-cloud-environments-with-ansible-terraform) - [Automate everything via NodeJS and Puppeteer](https://www.wearedevelopers.com/videos/322-automate-everything-via-nodejs-and-puppeteer) - [#90DaysOfDevOps - The DevOps Learning Journey](https://www.wearedevelopers.com/videos/548-90daysofdevops-the-devops-learning-journey) - [Embracing the Hybrid Cloud: Unlocking Success with Ansible](https://www.wearedevelopers.com/videos/932-embracing-the-hybrid-cloud-unlocking-success-with-ansible) ## 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) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Dev Digest 138 - Are you secure about this?](https://www.wearedevelopers.com/magazine/486-dev-digest-138-are-you-secure-about-this) - [Dev Digest 127 - putting 5 rings on it](https://www.wearedevelopers.com/magazine/464-dev-digest-127-putting-5-rings-on-it) - [Data Science & more: The Lopez dilemma](https://www.wearedevelopers.com/magazine/10-data-science-more-the-lopez-dilemma) - [Dev Digest 129 - Now that's what I call private data!](https://www.wearedevelopers.com/magazine/468-dev-digest-129-now-that-s-what-i-call-private-data)