Senior Systems Administrator

Camarillo, California, US on site Until 10/6/2026 10+ years exp First posted August 7, 2026 Last posted August 7, 2026
Job 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.

Position Type: Full-Time

Salary: $150k - $175k annually (depending on experience)

Work Location: Onsite – NAS Point Mugu, CA

Essential Functions:

  • 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.

Requirements

Required:

  • 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.

Benefits

  • Health Care Plan (Medical, Dental & Vision)
  • Retirement Plan (401k, IRA)
  • Life Insurance (Basic, Voluntary & AD&D)
  • Paid Time Off (Vacation, Sick & Public Holidays)
  • Short Term & Long Term Disability
  • Training & Development
  • Wellness Resources
  • Stock Option Plan
About this role

Summary

Lead systems administration, cybersecurity compliance, and vulnerability management in DoD environments.

Job title

Senior Systems Administrator

Experience level

10+ years

Minimum experience

10+ years exp

Industry

defense

Location requirements

Onsite in Camarillo, no remote work allowed

Salary

$150k–$175k

Management role

No

Skills & keywords

Required skills

systems administrationcybersecurityRMFSTIG compliancepatch management

Preferred skills

ACASeMASSTenableNavy supportLinux+RHCSA

Specializations

cybersecurityRMFsystem administrationvulnerability managementDoD environments
Locations

Structured locations inferred from the posting.

Camarillo, CA, USA

On-site City