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Linux Systems Administrator, Mid-Level

Listing for: UICGS / Bowhead Family of Companies
Full Time position Listed on 2026-11-09
Job specializations:
  • IT/Tech
    Systems Administrator, Cybersecurity, Unix/Linux, IT Support
Salary/Wage Range or Industry Benchmark: 100000 - 110000 USD Yearly USD 100000.00 110000.00 YEAR

Job Description & How to Apply Below

Bowhead is seeking a highly skilled and experienced Mid-Level Linux System Administrator to join our dynamic IT team. This is a 100% onsite position located in Norco, CA. As a Linux Subject Matter Expert (SME), you will be responsible for the administration, maintenance, and support of our critical Linux-based infrastructure. Experience working within a Department of Defense (DoD) environment is highly desirable.

This position is 100% onsite.

Responsibilities
  • 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.
Qualifications
  • 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

Targeted salary range is $100,000 to $110,000 annually based on qualifications and experience.

Please note that the salary information is a general guideline only. Bowhead considers factors such as (but not limited to) scope and responsibilities of the position, candidate’s work experience, education/training, key skills, internal peer equity, as well as, market and business considerations when extending an offer.

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