RTX

2 days ago

Principal System Administrator (ONSITE)

✓ Verified Job

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

Source: Company careers pageValidated by: Fursa AI

Last checked: 17 hours agoStatus: Live

Job Summary

Support Windows and Linux enterprise environments for classified, mission-critical programs by designing, implementing, maintaining, patching, and troubleshooting systems operating 24/7/365. Manage virtualization with VMware ESXi and vCenter, engineer imaging, deployment, and automation using MECM/SCCM, PXE, Windows imaging, and PowerShell. Administer core Windows services like Active Directory and Group Policy, and collaborate with security and DevSecOps teams to maintain continuous compliance. Required onsite work in a DoD closed area with limited travel.

Location: United States

Workplace: Onsite

Employment Type: Full time

Job Function: IT Operations (Systems/Network Admin)

Key Responsibilities

•Design, implement, maintain, patch, and troubleshoot Windows Server, Windows 11, and RHEL environments in a 24/7/365 mission-critical setting.
•Manage patching, vulnerability remediation, and compliance activities including STIG/EVAL STIG, SCAP/ACAS support, and log collection with Cyber Security teams.
•Design, deploy, and maintain virtual infrastructure using VMware ESXi and vCenter, including VM lifecycle management and host upgrades.
•Engineer imaging, deployment, and automation solutions using MECM/SCCM, PXE, Windows imaging, and scripted software deployment with PowerShell.
•Administer and support Windows services and integrations such as Active Directory, Group Policy, secure configurations, and certificate-based authentication, operating with minimal oversight.

Travel: Medium travel

Pay and Benefits

Salary: USD 86,800 - 165,200

Perks:Health InsuranceDentalVisionLife Insurance401kLong-term DisabilityParental LeavePaid Leave

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 security clearance required prior to start; U.S. citizenship required.
•Experience administering and securing Windows and RHEL servers.
•Experience with VMware virtualization.
•Experience with system hardening and PowerShell scripting.

Experience:Aerospace and defenseClassified programsMission-critical IT

Education:Bachelor's

Skills:CollaborationIndependent problem-solvingPrioritizationOperating independentlyFast-paced execution

Certifications:CompTIA Security+DoDD 8140/8570 baseline certification

Tech Stack:Windows ServerWindows 11RHEL 7RHEL 8RHEL 9VMware ESXiVCenterActive DirectoryGroup PolicyPowerShellMECMSCCMPXEWindows imagingVM lifecycle managementSCAPACASSTIGEVAL STIGLog collection

Eligibility

Nationality:US National

Security Clearance:Secret

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

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RTX