Principal System Administrator- Must have a TS/SCI active clearance!

RTX
United States
Workplace: OnsiteFull timeUSD 86,800 - 165,200Function: IT Operations (Systems/Network Admin)Experience: 5+ yearsEducation: bachelorsSkills: ["Independent problem-solving","Troubleshooting","Collaboration","Guidance","Secure configuration management"]

Serve as a Principal Systems Administrator supporting Windows and Linux enterprise environments for classified, mission-critical programs. You’ll implement, maintain, patch, and troubleshoot Windows Server/Windows 11, RHEL 7/8/9, and virtualized infrastructure. Own compliance activities (STIG/EVAL STIG, SCAP/ACAS, log collection) and administer core Windows services like Active Directory and Group Policy. Collaborate across DevSecOps and security teams while operating independently onsite in a DoD closed-area environment.

Loading

Loading job details...

Preparing the role view and application actions.

FursaFursa
RTX
RTX
4 days ago

Principal System Administrator- Must have a TS/SCI active clearance!

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 7 hours agoStatus: Live

Job Summary

Serve as a Principal Systems Administrator supporting Windows and Linux enterprise environments for classified, mission-critical programs. You’ll implement, maintain, patch, and troubleshoot Windows Server/Windows 11, RHEL 7/8/9, and virtualized infrastructure. Own compliance activities (STIG/EVAL STIG, SCAP/ACAS, log collection) and administer core Windows services like Active Directory and Group Policy. Collaborate across DevSecOps and security teams while operating independently onsite in a DoD closed-area environment.
Location: United States
Workplace: Onsite
Employment Type: Full time
Job Function: IT Operations (Systems/Network Admin)
Seniority: Mid level

Key Responsibilities

  • •Implement, maintain, patch, and troubleshoot Windows Server, Windows 11, RHEL 7/8/9, and virtualized infrastructure in a mission-critical environment.
  • •Manage Windows and Linux patching, vulnerability remediation, and compliance activities, coordinating with Cyber Security teams.
  • •Deploy and maintain virtual infrastructure using VMware ESXi and vCenter, including VM lifecycle management and host upgrades.
  • •Administer core Windows services and integrations including Active Directory, Group Policy, secure configurations, certificate-based authentication, and user environments.
  • •Support onsite operational needs in a DoD closed-area environment, including occasional after-hours support and travel up to 10%.
Travel: Low travel

Pay and Benefits

Salary: USD 86,800 - 165,200
Perks:MedicalDentalVisionLife Insurance401kLong-term DisabilityFlexible SpendingEmployee AssistanceParental LeavePaid LeaveHolidays

Key Requirements

  • •Bachelor’s degree with at least 5 years of relevant experience, or an advanced degree with at least 3 years of relevant experience.
  • •Active and transferable U.S. government issued DoD Top Secret (TS/SCI) security clearance required prior to start; U.S. citizenship required.
  • •Experience administering and securing Windows and RHEL servers.
  • •Experience with VMware virtualization.
  • •Experience securing system configurations and system hardening.
Experience:5+ years
Education:Bachelor's
Skills:Independent problem-solvingTroubleshootingCollaborationGuidanceSecure configuration management
Certifications:CompTIA Security+DoDD 8140DoDD 8570
Tech Stack:Windows ServerWindows 11RHEL 7RHEL 8RHEL 9VMware ESXiVCenterActive DirectoryGroup PolicySTIGEVAL STIGSCAPACASSplunkSTIG ViewerDevSecOps

Eligibility

Nationality:US National
Security Clearance:TS/SCI

Company Brief

RTX
Designs, manufactures, and services aerospace and defense systems, including aircraft engines, avionics, aerostructures, missiles, and cybersecurity solutions for commercial, military, and government customers worldwide.
Industry: Aerospace Manufacturing
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: Arlington, United States
Founded: 2020
Website