Full-Time

Senior Systems Administrator

Updated on 9/4/2026

Saalex

Saalex

51-200 employees

Engineering and IT services for defense

Compensation Overview

$150k - $175k/yr

No H1B Sponsorship

Camarillo, CA, USA

In Person

Onsite at Naval Air Station Point Mugu, California.

US Citizenship, US Top Secret Clearance Required

Category
IT Operations (1)
Required Skills
CompTIA Security+
Microsoft Windows
Red Hat
SCCM
Vulnerability Analysis
Linux/Unix

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Requirements
  • A minimum of 10 years of systems administration experience supporting complex Windows and/or UNIX/Linux environments.
  • CompTIA Security+ or an equivalent Department of Defense-approved Information Assurance certification is required.
  • Experience implementing and maintaining cybersecurity controls, system hardening, patch management, Security Technical Implementation Guide compliance, and vulnerability remediation.
  • Experience supporting Risk Management Framework, Authority to Operate, continuous monitoring, and enterprise cybersecurity requirements.
  • Experience with Configuration Control Boards, change management processes, and configuration management documentation.
  • Strong troubleshooting, analytical, organizational, and communication skills.
  • Demonstrated ability to lead technical efforts and mentor junior personnel.
  • A high school diploma or GED is required.
  • An active Top Secret clearance is required, with the ability to obtain Special Access Program access.
  • U.S. citizenship is required to obtain the security clearance.
Responsibilities
  • Lead administration, maintenance, and sustainment of Windows and UNIX/Linux systems supporting mission operations.
  • Serve as a senior technical advisor for Risk Management Framework, cybersecurity compliance, and system authorization efforts.
  • Lead preparation, maintenance, and submission of accreditation packages and Risk Management Framework documentation.
  • Implement and oversee security controls, Security Technical Implementation Guide compliance, vulnerability remediation, and continuous monitoring activities.
  • Review, analyze, and remediate Assured Compliance Assessment Solution 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, standard operating procedures, architecture diagrams, inventories, and configuration baselines.
  • Serve as a voting member and technical contributor to Configuration Control Boards 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 Information Assurance initiatives supporting department-wide cybersecurity requirements.
  • Provide training and knowledge transfer to technical teams and end users as required.
  • Perform other duties as assigned or required.
Desired Qualifications
  • Experience supporting Risk Management Framework, Authority to Operate, and Department of Defense cybersecurity compliance activities.
  • Experience with Assured Compliance Assessment Solution, Enterprise Mission Assurance Support Service, System Center Configuration Manager, Tenable, or similar cybersecurity tools.
  • Experience supporting Navy, Naval Air Systems Command, or other Department of Defense environments.
  • Microsoft, Red Hat, Linux+, Red Hat Certified System Administrator, Red Hat Certified Engineer, or similar systems administration certifications.
  • Additional technical education or cybersecurity-related coursework.

Saalex Solutions provides engineering and IT services focused on defense and government clients. It runs test range operations and management, engineering and logistics support, data analytics and business intelligence, and information technology services. The company differentiates itself as a Service-Disabled Veteran-Owned organization with extensive government experience, prime and subcontracting capabilities, and a nationwide footprint of 600+ staff at military and NASA installations with offices in California, Florida, and Washington. Its goal is to help national defense and other agencies carry out complex operations reliably by delivering practical, technically capable services and data-driven solutions tailored to mission needs.

Company Size

51-200

Company Stage

N/A

Total Funding

N/A

Headquarters

Camarillo, California

Founded

1999

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Simplify Jobs

Simplify's Take

What believers are saying

  • June 17, 2026 $249.9 million Navy logistics IT MAC broadens recurring task-order pipeline.
  • June 2026 OTA consortium additions open Army, naval surface, industrial-base, and information-warfare work.
  • July 7, 2025 Greenfield added 61 avionics software employees for Navy aviation programs.

What critics are saying

  • Task-order dependence leaves Saalex exposed to recompete losses and protest delays.
  • Integrating Greenfield, Spalding, and Netsimco strains delivery, margins, and culture in 2025-2026.
  • If Navy or MDA recompetes go against Saalex, acquisition-led growth collapses quickly.

What makes Saalex unique

  • Employee-owned defense integrator with nearly 1,000 staff spans undersea, surface, air, and space.
  • August 14, 2026 Navy cyberspace MAC win deepens NIWC Pacific mission access.
  • January 26, 2026 AI platform and April 22 ASCENT lab accelerate software modernization.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

401(k) Retirement Plan

Paid Vacation

Paid Sick Leave

Paid Holidays

Disability Insurance

Wellness Program

Stock Options

Professional Development Budget

Company News

Citybiz
Jul 7th, 2025
Saalex Acquires Greenfield Engineering

Saalex Corporation, a leading provider of defense and technology solutions, today announced its acquisition of Greenfield Engineering Corporation. Greenfield is... Read More

Citybiz
Jul 7th, 2025
Saalex Acquires Greenfield Engineering

Saalex Corporation, a leading provider of defense and technology solutions, today announced its acquisition of Greenfield Engineering Corporation.

Bayen Group
Jun 30th, 2025
AI-First Accelerator: Bayen Group Partnership with Saalex

Saalex Corporation partnered with the Digital Transformation experts at Bayen Group to develop a comprehensive and advanced solution designed to enhance the company's digital capabilities.

PR Newswire
Jan 9th, 2025
Saalex Corporation Awarded Gsa Oasis+ Technical Engineering Domain Contract

Ten-Year Government-Wide Contract Vehicle Potentially Worth Nearly $1 TrillionWASHINGTON, Jan. 9, 2025 /PRNewswire/ -- Saalex Corporation, a leader in engineering, IT, and technical services for the aerospace, defense, and federal sectors, today announced it has been awarded the General Services Administration (GSA) One Acquisition Solution for Integrated Services Plus (OASIS+) contract in the Technical and Engineering (T&E) domain. This Unrestricted Multiple Award Contract (MAC), with a ceiling value of approximately $1 trillion, enables Saalex to compete for task orders supporting federal agencies' technical and engineering requirements through December 2033.The OASIS+ T&E domain focuses on providing specialized engineering, geoscience, and technical professional services to government agencies. Under this contract, Saalex will deliver solutions in areas such as engineering design, development of machines and systems, materials science, and technical consulting services."This contract award represents an enormous opportunity for Saalex to expand our support of federal agencies' critical technical and engineering needs," said Travis Mack, Chairman and CEO of Saalex Corporation. "The OASIS+ vehicle strengthens our position as a trusted provider of innovative technical and engineering solutions across the federal government."The contract scope includes requirements for specific engineering and technical professional skills performed by engineers, geologists, geophysicists, and technicians. These services are essential for handling specialized operating conditions and technical challenges faced by government agencies

Citybiz
Oct 1st, 2024
Saalex Corporation Relocates Headquarters to Washington, D.C.

Saalex Corporation, a leader in engineering, IT, and technical services for the aerospace, defense, and federal sectors, today announced it will move its corporate headquarters from Camarillo, California, to Washington, D.C.