Principal Windows Systems Administrator

Northrop Grumman

Confirmed live yesterday Trusted

Quick summary

Work type: On-site
Location: Dulles, VA
Salary: $103,600–$155,400 / yr
Posted: 8 days ago
Freshness: Confirmed live yesterday
Closes: Oct 3, 2026
Nearby: 99+ roles within 25 mi

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $154k

This role $130k

$94k most similar roles pay here $193k

This role pays less than 68% of similar roles. Most pay $125,000–$183,193 — the shaded band above. At the midpoint, this role pays about $130k versus about $154k for comparable roles.

Based on 240 similar postings.

Employer

About Northrop Grumman

Northrop Grumman is a leading global aerospace and defense technology company providing systems in autonomous systems, cyber, C4ISR, space, strike, and logistics. Industry: Aerospace & Defense

Northrop Grumman currently has 367 open roles on FindRole.

Listed pay typically runs $114,900–$176,300 across 353 roles with salary data.

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At a glance

TL;DR · Principal Windows Systems Administrator

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Principal Windows Systems Administrator - Polygraph The Principal Windows Systems Administrator - Polygraph joins the Chief Information and Digital Office team to support information system lifecycle activities for classified government contracts. This role involves managing multi-user computer systems, performing Windows administration tasks across multiple networks, and ensuring system compliance through Group Policy. Day-to-day responsibilities include installing, upgrading, and patching systems; providing backup and recovery services; managing file systems and virus protection; and developing technical documentation of procedures. The candidate will utilize technologies including Windows Server OS, Active Directory, GPOs, VMWare, Microsoft Exchange, and Linux. They must also navigate tools like ServiceNow or JIRA to manage tickets. This role addresses the critical challenge of maintaining secure, reliable infrastructure within highly regulated environments, requiring the ability to isolate complex issues between hardware, firmware, software, and networks while adhering to strict Information Systems security guidelines.

Skills

Windows Server Active Directory Group Policy VMware Linux Microsoft Exchange Cisco Scripting ServiceNow JIRA RMF STIG Solar Winds Splunk SAN Storage LDAP Security+ CCNA-Security

What you'll do

Perform Windows administration tasks across multiple networks under minimal direction.
Maintain system reliability through installation, upgrading, patching, monitoring, and configuration management.
Ensure system compliance using Group Policy and other relevant technologies.
Provide and maintain backup services, manage file systems, and monitor virus protection.
Test new product releases to ensure compatibility and minimize impact on users.
Develop and maintain technical documentation for system processes and procedures.
Maintain security audit logs and information for all classified networked and standalone computers.
Troubleshoot issues across hardware, firmware, software, and network layers to isolate root causes.

What we're looking for

Candidates must possess a Master's degree with 3 years of IT experience, a Bachelor's with 5 years, an Associate's with 7 years, or a High School Diploma/GED with 9 years.
Candidates must hold a current U.S. Government Top Secret/SCI security clearance including a polygraph adjudicated within the last five years.
Candidates must meet U.S. Government 8140 baseline certification requirements (e.g., Security+ CE, CCNA-Security, CND, CySA+, or RHCSA).
Experience managing Windows Server OS is required.
Experience with Windows domains, including Active Directory, GPOs, policies, and permissions, is required.
Candidates must be able to obtain and maintain access to Special Programs as a condition of continued employment.
U.S. Citizenship is required for this position.
The candidate must be able to lift and move equipment up to 50 pounds.

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