Mission-Critical SysAdmin – Windows & Linux, RMF/IA Expert

Saalex

Camarillo (CA)

On-site

USD 125,000 - 150,000

Full time

14 days+
Application generator

Don’t send a generic resume — generate a resume and cover letter tailored to this exact role.

Get past ATS filters

Benefits offered by this job

Health Care Plan
Retirement Plan
Life Insurance
Paid Time Off
Disability Insurance
Training & Development
Wellness Resources
Stock Option Plan

Job summary

Saalex is seeking a Journeyman System Administrator to support the Airborne Instrumentation Division at NAS Point Mugu, CA. This onsite role focuses on Windows and UNIX/Linux administration, RMF/ATO activities, and IA compliance for mission-critical systems.

The position requires a Top Secret clearance and strong collaboration with cybersecurity personnel, engineers, and government stakeholders. Competitive salary and benefits offered.

Qualifications

  • Minimum of 5 years of systems administration experience supporting Windows and/or UNIX/Linux environments.
  • Experience with RMF documentation, system authorization, and IA activities.
  • Familiarity with STIG implementation, vulnerability remediation, and account management.
  • Ability to work independently and in a team environment.

Responsibilities

  • Administer and maintain Windows and UNIX/Linux servers and supporting infrastructure.
  • Support RMF documentation activities and system authorization efforts.
  • Assist with accreditation documentation development and submission.
  • Implement and maintain security controls per IA and RMF requirements.
  • Perform patching, STIG implementation, vulnerability remediation, and config management.
  • Review logs, scans, and reports; implement corrective actions.
  • Support IAVM reporting and continuous monitoring activities.
  • Manage user accounts, permissions, and access controls.
  • Monitor performance, availability, capacity, and recoverability.
  • Install, configure, test, and maintain hardware, OS, and software.
  • Develop system documentation, diagrams, inventories, and SOPs.
  • Participate in CMPs and change reviews with the team.
  • Coordinate with system owners, cybersecurity personnel, engineers, and stakeholders.
  • Support logistics, training, and technical documentation.

Skills

Windows
UNIX/Linux
Cybersecurity
RMF
ATO
IA
STIG
ACAS

Education

High School Diploma or GED

Tools

ACAS
Patching tools
Configuration tools

Job description

Saalex is seeking a Journeyman System Administrator to support the Airborne Instrumentation Division at NAS Point Mugu, CA. This onsite role focuses on Windows and UNIX/Linux administration, RMF/ATO activities, and IA compliance for mission-critical systems.

The position requires a Top Secret clearance and strong collaboration with cybersecurity personnel, engineers, and government stakeholders. Competitive salary and benefits offered.

Get your free, confidential resume review.

or drag and drop your file here.

Similar jobs

Similar jobs worth comparing

Senior Systems Administrator - RMF/IA & Cyber Ops
Senior Systems Administrator - RMF/IA & Cyber Ops

Saalex Corp. • Camarillo (CA)

On-site
USD 125,000 - 150,000
Health Care Plan
401k/IRA
Life Insurance
+5
Senior Systems Administrator: RMF & DoD Cyber Lead
Senior Systems Administrator: RMF & DoD Cyber Lead

Saalex Corp. • Camarillo (CA)

On-site
USD 150,000 - 175,000
Health insurance
401k Retirement plan
Life insurance
+5
Journeyman Systems Administrator
Journeyman Systems Administrator

Saalex • Camarillo (CA)

On-site
USD 125,000 - 150,000
Health Care Plan
Retirement Plan
Life Insurance
+5
Journeyman Systems Administrator
Journeyman Systems Administrator

Saalex Corp. • Camarillo (CA)

On-site
USD 125,000 - 150,000
Health Care Plan
401k/IRA
Life Insurance
+5
Senior Systems Administrator – DoD RMF & Cybersecurity Lead
Senior Systems Administrator – DoD RMF & Cybersecurity Lead

Saalex • Camarillo (CA)

On-site
USD 150,000 - 175,000
Health Care Plan
Retirement Plan
Life Insurance
+5
Senior Systems Administrator
Senior Systems Administrator

Saalex • Camarillo (CA)

On-site
USD 150,000 - 175,000
Health Care Plan
Retirement Plan
Life Insurance
+5
Senior Systems Administrator
Senior Systems Administrator

Saalex Corp. • Camarillo (CA)

On-site
USD 150,000 - 175,000
Health insurance
401k Retirement plan
Life insurance
+5
On-Site System Administrator: Windows/Linux, RMF, VMware
On-Site System Administrator: Windows/Linux, RMF, VMware

SimVentions, Inc • Patuxent (MD)

On-site
USD 75,000 - 150,000
Employee Ownership
ESOP
401(k) program
System Administrator — Secret Clearance, On-Site
System Administrator — Secret Clearance, On-Site

SimVentions, Inc - Glassdoor 4.6 • Coltons Point (MD)

On-site
USD 75,000 - 150,000
Employee Ownership: ESOP
Competitive 401(k) programs
Paid Time Off & Holidays
+2
Mission-Critical Windows Systems Admin (Hawaii)
Mission-Critical Windows Systems Admin (Hawaii)

Amentum • Waimea/Kamuela (HI)

On-site
USD 90,000 - 110,000
Health, dental, and vision insurance
Paid time off and holidays
401(k) matching
+5