Windows & Linux Systems Administrator

Apex Systems is seeking a Windows & Linux Systems Administrator to support a Research, Development, Test, and Evaluation (RDT&E) network and secure enclaves supporting NIWC Pacific. This individual will be responsible for maintaining, securing, and enhancing existing infrastructure while supporting the design and implementation of new system capabilities in a highly secure environment., * Administer and maintain Windows 11 and Red Hat Enterprise Linux (RHEL) systems.

• Develop, maintain, and execute PowerShell and Bash scripts for automation and system administration tasks.
• Support the engineering, design, and implementation of infrastructure upgrades and new capabilities.
• Harden systems in accordance with DISA security requirements, including STIGs, CTOs, and related guidance.
• Automate system administration and configuration management activities using Ansible playbooks.
• Apply security updates, patches, and support the IAVM process.
• Maintain asset tracking databases and inventory records.
• Develop and update Standard Operating Procedures (SOPs) and technical documentation.
• Assist with procurement activities, including obtaining vendor quotes and coordinating equipment purchases.
• Support logistics efforts, including shipping equipment to remote teams.

• Active Secret Security Clearance.
• IAT Level II certification (Security+ CE, GSEC, SCNP, or SSCP).
• 3+ years of Windows system administration experience.
• 3+ years of Red Hat Enterprise Linux (RHEL) administration experience.
• Experience developing and maintaining PowerShell and Bash scripts.
• Experience managing vulnerabilities, patches, and security compliance through the IAVM process.
• Strong understanding of system hardening and DISA STIG implementation.

Preferred Qualifications

• Experience automating administrative tasks using Ansible.
• Experience supporting endpoint security solutions.
• Knowledge of cybersecurity best practices within DoD environments.
• Experience supporting classified or secure enclave environments.

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.

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