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Principal Linux Systems Administrator - Polygraph

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Principal Linux Systems Administrator - Polygraph

full-timePosted: Jan 2, 2026

Job Description

Master's Degree with 3 years of relevant IT experience; OR a Bachelor's Degree with 5 years of relevant IT experience; OR an Associate's Degree with 7 years of relevant IT experience; OR a High School Diploma/GED with 9 years of relevant IT experience is required Must have a DOD 8570 IAT Level II, or higher, certification (example:

Security+ CE); maintaining the required certification will be a condition of continued employment Must have Linux Operating Systems support experience Linux Workstation and Server management experience is required Experience operating under, and managing systems within, NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments Candidates must have a current DOD Top Secret/SCI level security clearance, to include a recent Polygraph [adjudicated within the last 5 years], in order to be considered Candidates must have the ability to obtain, and maintain, access to Special Programs as a condition of continued employment The ideal candidate will have a Bachelor's degree in Information Technology, a Security+ CE, a Linux+ or RHCSA, and 5 years of Linux Server Administration experience in a classified environment Understanding of basic networking, including subnets, routing, and VLANs; Cisco experience and/or certification Windows server management experience Windows AD, LDAP, VMWare, and knowledge of SAN storage systems VMWare experience with current version Knowledge of environmental monitoring tools (HBSS/Solar Winds/Splunk) Rudimentary Scripting experience Experience with the creation and deployment of system images in an enterprise environment Experience with Certification & Accreditation process

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

  • Master's Degree with 3 years of relevant IT experience (experience)
  • Bachelor's Degree with 5 years of relevant IT experience (experience)
  • Associate's Degree with 7 years of relevant IT experience (experience)
  • High School Diploma/GED with 9 years of relevant IT experience (experience)
  • DOD 8570 IAT Level II, or higher, certification (Security+ CE) (experience)
  • Current DOD Top Secret/SCI level security clearance with recent Polygraph (within last 5 years) (experience)
  • Ability to obtain and maintain access to Special Programs (experience)

Responsibilities

  • Linux Workstation and Server management
  • Manage systems within classified information system environments

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Northrop Grumman logo

Principal Linux Systems Administrator - Polygraph

Northrop Grumman

Other Jobs

Principal Linux Systems Administrator - Polygraph

full-timePosted: Jan 2, 2026

Job Description

Master's Degree with 3 years of relevant IT experience; OR a Bachelor's Degree with 5 years of relevant IT experience; OR an Associate's Degree with 7 years of relevant IT experience; OR a High School Diploma/GED with 9 years of relevant IT experience is required Must have a DOD 8570 IAT Level II, or higher, certification (example:

Security+ CE); maintaining the required certification will be a condition of continued employment Must have Linux Operating Systems support experience Linux Workstation and Server management experience is required Experience operating under, and managing systems within, NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments Candidates must have a current DOD Top Secret/SCI level security clearance, to include a recent Polygraph [adjudicated within the last 5 years], in order to be considered Candidates must have the ability to obtain, and maintain, access to Special Programs as a condition of continued employment The ideal candidate will have a Bachelor's degree in Information Technology, a Security+ CE, a Linux+ or RHCSA, and 5 years of Linux Server Administration experience in a classified environment Understanding of basic networking, including subnets, routing, and VLANs; Cisco experience and/or certification Windows server management experience Windows AD, LDAP, VMWare, and knowledge of SAN storage systems VMWare experience with current version Knowledge of environmental monitoring tools (HBSS/Solar Winds/Splunk) Rudimentary Scripting experience Experience with the creation and deployment of system images in an enterprise environment Experience with Certification & Accreditation process

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

  • Master's Degree with 3 years of relevant IT experience (experience)
  • Bachelor's Degree with 5 years of relevant IT experience (experience)
  • Associate's Degree with 7 years of relevant IT experience (experience)
  • High School Diploma/GED with 9 years of relevant IT experience (experience)
  • DOD 8570 IAT Level II, or higher, certification (Security+ CE) (experience)
  • Current DOD Top Secret/SCI level security clearance with recent Polygraph (within last 5 years) (experience)
  • Ability to obtain and maintain access to Special Programs (experience)

Responsibilities

  • Linux Workstation and Server management
  • Manage systems within classified information system environments

Target Your Resume for "Principal Linux Systems Administrator - Polygraph" , Northrop Grumman

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

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

Check Your ATS Score for "Principal Linux Systems Administrator - Polygraph" , 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 Principal Linux Systems Administrator - Polygraph @ Northrop Grumman.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.