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Sr. Principal Systems Administrator

Northrop Grumman

Software and Technology Jobs

Sr. Principal Systems Administrator

full-timePosted: Jan 2, 2026

Job Description

Locations

  • Aurora, Colorado, United States

Salary

Estimated Salary Rangemedium confidence

125,000 - 185,000 USD / yearly

Source: rule based estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Required Qualifications

  • Bachelor's + 8 years OR Master's + 6 years OR PhD + 4 years relevant experience (experience)
  • Active TS/SCI clearance with CI Poly required (experience)

Responsibilities

  • Build Linux and Windows environments from scratch
  • Perform administration on VMware technologies
  • Provide backup/recovery services
  • Manage file systems, disk space, virus protection
  • Support Cyber Security team
  • Network hardware/configuration, rack planning
  • Remediate security vulnerabilities
  • Harden Linux systems per RMF/STIGs
  • Support after hours/weekends as needed
  • Follow complex install/configuration procedures
  • Document procedures using Wiki/SharePoint

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Northrop Grumman logo

Sr. Principal Systems Administrator

Northrop Grumman

Software and Technology Jobs

Sr. Principal Systems Administrator

full-timePosted: Jan 2, 2026

Job Description

Locations

  • Aurora, Colorado, United States

Salary

Estimated Salary Rangemedium confidence

125,000 - 185,000 USD / yearly

Source: rule based estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Required Qualifications

  • Bachelor's + 8 years OR Master's + 6 years OR PhD + 4 years relevant experience (experience)
  • Active TS/SCI clearance with CI Poly required (experience)

Responsibilities

  • Build Linux and Windows environments from scratch
  • Perform administration on VMware technologies
  • Provide backup/recovery services
  • Manage file systems, disk space, virus protection
  • Support Cyber Security team
  • Network hardware/configuration, rack planning
  • Remediate security vulnerabilities
  • Harden Linux systems per RMF/STIGs
  • Support after hours/weekends as needed
  • Follow complex install/configuration procedures
  • Document procedures using Wiki/SharePoint

Target Your Resume for "Sr. Principal Systems Administrator" , Northrop Grumman

Get personalized recommendations to optimize your resume specifically for Sr. Principal Systems Administrator. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Sr. Principal Systems Administrator" , Northrop Grumman

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

AerospaceDefenseTechnologyDefense

Answer 10 quick questions to check your fit for Sr. Principal Systems Administrator @ Northrop Grumman.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.