Linux Systems Administrator, Mid-Level

Bowhead•Corona, CA

21h•$100,000 - $110,000•Onsite

About The Position

Bowhead is seeking a Mid-Level Linux System Administrator to join its IT team. This is a 100% onsite position in Norco, California. The role serves as a Linux subject matter expert responsible for administering, maintaining, and supporting critical Linux-based infrastructure. Experience in a Department of Defense environment is highly desirable. The candidate must currently hold a security clearance at the Secret level or higher.

Requirements

Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent experience.
At least 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 such as VMware or 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.
Must currently hold a security clearance at the minimum Secret level.
Able to lift up to 25 pounds, stand and walk for prolonged periods, and twist, bend, and squat periodically.

Nice To Haves

Experience working in a Department of Defense environment.
Experience with security compliance frameworks such as STIGs or NIST.
Experience with configuration management tools such as Ansible or Puppet.
Experience with containerization technologies such as Docker or Kubernetes.
Relevant certifications such as Red Hat Certified Engineer (RHCE) or CompTIA Linux+.

Responsibilities

Install, configure, and maintain Linux servers, including operating system installation, patching, and security hardening.
Serve as the primary point of contact and subject matter expert for Linux-related issues, providing guidance and support to team members.
Monitor system performance, identify bottlenecks, and implement solutions to improve performance and stability.
Implement and maintain security measures, including access controls, intrusion detection, and vulnerability scanning.
Develop and maintain Bash or Python scripts to automate routine tasks and improve operational efficiency.
Diagnose and resolve complex system issues.
Create and maintain documentation of system configurations, procedures, and troubleshooting steps.
Collaborate with networking, security, development, and other IT teams to integrate systems and services.
Implement and maintain backup and recovery procedures to protect data integrity and business continuity.
Ensure systems comply with relevant security standards and regulations.
Administer and support daily operational requirements.