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# Senior Systems Administrator

- **Company:** SAALEX Corp.
- **Location:** Camarillo, CA, United States
- **Experience:** Expert
- **Salary:** $150,000.0 - $175,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Configuration Management, Software Documentation, CompTIA Security+, Cyber Security, Linux, Disaster Recovery, Microsoft Software, System Center Configuration Manager, Red Hat Enterprise Linux, SAP (Applications), Security Software, Software Vulnerability Management, Software Troubleshooting, Patch Management
- **Published:** November 7, 2026
- **Apply:** https://www.juju.com/job/16_b71b0f553

## About the Role

* Minimum of 10 years of systems administration experience supporting complex Windows and/or UNIX/Linux environments.
 * CompTIA Security+ or equivalent DoD-approved Information Assurance certification required.
 * Experience implementing and maintaining cybersecurity controls, system hardening, patch management, STIG compliance, and vulnerability remediation.
 * Experience supporting RMF, ATO, continuous monitoring, and enterprise cybersecurity requirements.
 * Experience with Configuration Control Boards (CCBs), change management processes, and configuration management documentation.
 * Strong troubleshooting, analytical, organizational, and communication skills.
 * Demonstrated ability to lead technical efforts and mentor junior personnel.

Desired:

 * Experience supporting RMF, ATO, and DoD cybersecurity compliance activities.
 * Experience with ACAS, eMASS, SCCM, Tenable, or similar cybersecurity tools.
 * Experience supporting Navy, NAVAIR, or other DoD environments.
 * Microsoft, Red Hat, Linux+, RHCSA/RHCE, or similar systems administration certifications.

Education:

High School Diploma or GED required. Additional technical education or cybersecurity-related coursework preferred.

Security Clearance:

Active Top Secret clearance required with the ability to obtain Special Access Program (SAP) access. Requirements to obtain a clearance include US Citizenship, security investigation, etc.

## Description

Saalex is seeking a Senior System Administrator in Camarillo/Naval Air Station Point Mugu, CA. The selected candidate will serve as a senior technical resource responsible for systems administration, cybersecurity compliance, RMF support, vulnerability management, configuration management, and enterprise infrastructure support across multiple mission-critical systems. This position requires extensive experience supporting secure DoD environments and the ability to lead technical efforts across diverse operating environments., * Lead administration, maintenance, and sustainment of Windows and UNIX/Linux systems supporting mission operations.

 * Serve as a senior technical advisor for RMF, cybersecurity compliance, and system authorization efforts.
 * Lead preparation, maintenance, and submission of accreditation packages and RMF documentation.
 * Implement and oversee security controls, STIG compliance, vulnerability remediation, and continuous monitoring activities.
 * Review, analyze, and remediate ACAS findings, audit logs, and cybersecurity vulnerabilities.
 * Lead patch management efforts, security updates, and operating system lifecycle activities.
 * Manage system resources including availability, capacity, performance, and disaster recovery readiness.
 * Support planning, installation, testing, and deployment of new hardware, software, and operating system upgrades.
 * Lead development of system documentation, SOPs, architecture diagrams, inventories, and configuration baselines.
 * Serve as a voting member and technical contributor to Configuration Control Boards (CCBs) and change management activities.
 * Review and approve technical changes to ensure compliance with system security and configuration management requirements.
 * Coordinate with Information Assurance personnel, engineers, system owners, and government customers.
 * Provide technical leadership, mentoring, and guidance to junior administrators and technical staff.
 * Support cybersecurity inspections, audits, security assessments, and compliance reviews.
 * Participate in enterprise IA initiatives supporting department-wide cybersecurity requirements.
 * Provide training and knowledge transfer to technical teams and end users as required.
 * Other duties as assigned or required.