1 day ago

Principal System Administrator

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Source: Company careers pageValidated by: Fursa AI

Last checked: 7 hours agoStatus: Live

Job Summary

Provide principal-level IT systems administration for classified programs in a Red Hat Enterprise Linux and Microsoft Windows environment. Lead Red Hat installation, configuration, and systems lifecycle activities including server, storage, backup, and access management. Troubleshoot complex issues spanning hardware and operating systems, mentor junior Linux admins, and partner with cybersecurity professionals to meet security requirements, documentation, and certification timelines. This is a full-time, 100% onsite role in McKinney.

Location: United States

Workplace: Onsite

Employment Type: Full time

Job Function: IT Operations (Systems/Network Admin)

Seniority: Mid level

Key Responsibilities

•Provide IT systems administration in a heterogeneous Red Hat Enterprise Linux and Microsoft Windows environment.
•Lead and coordinate Red Hat installation and configuration.
•Support engineering software installation and support with emphasis on testing, documentation, and acceptance phases.
•Provision, install/configure, operate, and maintain Linux/Windows infrastructure for classified programs, including server management, storage management, authentication/access, backup/restore, and workstation support.
•Collaborate with cybersecurity professionals to maintain security requirements and provide documentation; participate in technical meetings and mentor junior Linux admins.

Pay and Benefits

Salary: USD 86,800 - 165,200 annually

Perks:Health InsuranceDentalVisionLife Insurance401kParental LeavePaid LeaveHolidaysLong-term DisabilityLearning Budget

Key Requirements

•Typically requires a university degree or equivalent experience and at least 5 years of prior relevant experience, or an advanced degree with at least 3 years experience.
•Active and transferable U.S. government issued Top Secret security clearance is required prior to start date, and U.S. citizenship is required.
•Experience administering Red Hat Enterprise Linux and Windows environments, including prior systems administration experience.
•Experience with Active Directory, WSUS, VMware, BackupExec, and NetBackup (and related backup and recovery enterprise suites).
•Must be able to obtain DoD 8140/8570 Certification requirements (CompTIA Security+ CE or equivalent) within 6 months of start date.

Experience:5+ yearsAerospace and defenseClassified programsGovernment security clearance work

Education:Bachelor's

Skills:TroubleshootingDocumentationLeadershipMentorshipCollaboration

Certifications:CompTIA Security+ CEDoD 8140DoD 8570Operating System Certification

Tech Stack:Red Hat Enterprise LinuxLinuxMicrosoft WindowsWindows ServerActive DirectoryDNSDHCPServer replicationVMwareVMWare vCenterVSphereESXLinux desktopsWindows desktopsWindows 10Windows 11SplunkWSUSSCCMExchange

Eligibility

Security Clearance:Top 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