Linux Systems Administrator

1 week ago

Sunnyvale CA, United States Equiliem Full time

Systems Administrator 100% On site Sunnyvale, CA TS/SCI w/CI Polygraph required 1st Shift Job Summary The Linux Systems Administrator will manage and maintain secure Linux/Unix environments, ensuring compliance with security standards and operational requirements. This role involves system installation, patching, troubleshooting, automation, and documentation. The position requires strong technical expertise, attention to detail, and adherence to security protocols in a classified environment. Job Responsibilities Install operating system security patches and firmware updates. Create and manage security groups and user permissions. Diagnose and resolve hardware and software issues. Coordinate hardware repair activities. Create scripts to automate system administration tasks. Develop and maintain Standard Operating Instructions (SOI) documentation. Administer virtual machines using VMWare ESXi. Perform routine server and workstation patching per established guidelines. Install and configure server hardware and software applications. Manage servers in disconnected environments. Implement vulnerability remediation and security management, including system hardening, log management, and configuration management tools (e.g., Nessus, Trellix, Splunk, SCAP, HBSS). Manage and implement backup and disaster recovery solutions for Linux systems. Troubleshoot NAS/SAN storage issues and manage storage configurations. Implement and manage end-user authentication in mixed environments (NIS & SSSD preferred). Job Requirements Active TS/SCI security clearance with CI polygraph (required). U.S. citizenship (required). Ability to lift up to 30 pounds. CompTIA Security+ or equivalent DoD 8570 certification (or ability to obtain within 60 days of employment). Experience with Linux or Unix operating systems. Strong scripting skills for automation (shell, Ansible preferred). Knowledge of NISPOM, Risk Management Framework (RMF), and STIG requirements. Experience with vulnerability remediation and security compliance. Proficiency in Microsoft Office Suite (Excel, Word). Desired Skills Experience with RedHat Enterprise Linux (RHEL) versions 6–9. Familiarity with Solaris, AIX, POWER, or SPARC systems. Experience managing Linux systems with NAS/SAN storage. Knowledge of authentication management in mixed environments. Education High school diploma or equivalent required; additional technical certifications preferred. Work Experience Previous experience in Linux/Unix system administration and security compliance.

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