> Markdown version of [/jobs/ext/3665969-linux-systems-administrator-mid-level](https://www.wearedevelopers.com/jobs/ext/3665969-linux-systems-administrator-mid-level). 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, Mid-Level - **Company:** UICGS and Bowhead Family of Companies - **Location:** Norco, CA, United States - **Experience:** Experienced - **Salary:** $100,000.0 - $110,000.0 - **Contract:** Permanent contract - **Skills:** Bash Shell, Ubuntu (Operating System), CentOS, System Configuration, Data Integrity, Linux, Monitoring of Systems, Intrusion Detection and Prevention, Python (Programming Language), Kernel-Based Virtual Machine, Linux System Administration, Linux Servers, Red Hat Enterprise Linux, Ansible, Virtualization Technology, Scripting, Containerization, Kubernetes, Infrastructure Automation Frameworks, Information Technology, Performance Monitor, Puppet, Comptia Linux+, Docker, Vulnerability Analysis, Vmware - **Published:** October 10, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9231850/linux-systems-administrator-mid-level ## About the Role * Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent experience. * 5+ years of experience as a System Administrator with a strong focus on Linux systems. * Deep understanding of Linux operating systems, including kernel configuration, system services, and security principles. * Proficiency in scripting languages such as Bash and Python. * Experience with virtualization technologies (e.g., VMware, KVM). * Security+ certification or equivalent. * Strong troubleshooting and problem-solving skills. * Excellent communication and interpersonal skills. * Ability to work independently and as part of a team. * Desired: * Experience working in a Department of Defense (DoD) environment. * Experience with security compliance frameworks (e.g., STIGs, NIST). * Experience with configuration management tools (e.g., Ansible, Puppet). * Experience with containerization technologies (e.g., Docker, Kubernetes). * Relevant certifications (e.g., Red Hat Certified Engineer (RHCE), CompTIA Linux+). SECURITY CLEARANCE REQUIREMENTS: Must currently hold a security clearance at the minimum Secret level. Physical Demands: * Must be able to lift up to 25 pounds * Must be able to stand and walk for prolonged amounts of time * Must be able to twist, bend and squat periodically ## Description * Systems Administrator administers and supports daily operational requirem* Linux Systems Administration: Install, configure, and maintain Linux servers (e.g., Red Hat, CentOS, Ubuntu) including operating system installation, patching, and security hardening. * Subject Matter Expertise: Serve as the primary point of contact and subject matter expert for all Linux-related issues, providing guidance and support to other team members. * Performance Monitoring and Optimization: Monitor system performance, identify bottlenecks, and implement solutions to optimize system performance and stability. * Security Management: Implement and maintain security measures to protect systems and data, including access controls, intrusion detection, and vulnerability scanning. * Scripting and Automation: Develop and maintain scripts (e.g., Bash, Python) to automate routine tasks and improve operational efficiency. * Troubleshooting and Problem Solving: Diagnose and resolve complex system issues in a timely and effective manner. * Documentation: Create and maintain comprehensive documentation of system configurations, procedures, and troubleshooting steps. * Collaboration: Work closely with other IT teams (e.g., networking, security, development) to ensure seamless integration of systems and services. * Backup and Recovery: Implement and maintain backup and recovery procedures to ensure data integrity and business continuity. * Compliance: Ensure systems comply with relevant security standards and regulations.