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# Windows & Linux Systems Administrator

- **Company:** Everforth Apex
- **Location:** San Diego, CA, United States
- **Experience:** Experienced
- **Salary:** $104,000.0 - $114,400.0
- **Contract:** Temporary contract
- **Skills:** Microsoft Windows, Bash Shell, Configuration Management, Cyber Security, Databases, Linux, Windows PowerShell, Red Hat Enterprise Linux, Ansible, Apex Code
- **Published:** August 19, 2026
- **Apply:** https://www.dice.com/job-detail/b85a5a8c-1a08-49f7-bf88-92ca5607bb99

## About the Role

* 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.

## Description

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.


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