RTX

4 weeks ago

Principal System Administrator- Tucson, AZ

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Source: Company careers pageValidated by: Fursa AI

Last checked: 8 hours agoStatus: Live

Job Summary

Lead IT systems administration in a heterogeneous Windows and Red Hat Enterprise Linux environment for classified DoD programs. Coordinate Red Hat installation and configuration, provision and maintain Linux/Windows infrastructure, ensure security requirements with Cybersecurity, and operate in a 24x7 environment with travel up to 5% and onsite presence in Tucson, AZ.

Location: Tucson

Workplace: Onsite

Employment Type: Full time

Job Function: IT Operations (Systems/Network Admin)

Seniority: Sr. Manager level

Key Responsibilities

•Provide IT systems administration in a heterogeneous Windows and Red Hat Enterprise Linux environment.
•Lead and coordinate the Red Hat installation and configuration.
•Provision, install/configure, operate, and maintain systems hardware and software for classified programs (server management, storage, authentication, backups, licenses, workstation support).
•Understand Windows Server internals or Linux fundamentals (DNS, DHCP, AD, replication) and troubleshoot technical problems in a fast-paced environment.
•Work with Cybersecurity professionals to maintain security requirements and develop documentation; travel up to 5%; 24x7 operational readiness.

Travel: Low travel

Pay and Benefits

Salary: USD 86,800 - 165,200 annually

Perks:MedicalDentalVision401kLife InsuranceDisability

Key Requirements

•Bachelor's degree with a minimum of 5 years of prior relevant experience, or a Master's degree with a minimum of 3 years of experience.
•Ability to obtain transferable U.S. government-issued secret clearance; U.S. citizenship is required for clearance.
•Linux or Windows operating system experience.
•Experience with Active Directory, VMware, MySQL, and networking administration.
•Willingness to travel up to 5% (as needed) and work onsite in Tucson, AZ.

Experience:5+ yearsDefenseIT infrastructureGovernment

Education:Bachelor's

Skills:LinuxWindowsActive DirectoryVMwareMySQLNetworking

Certifications:Security+

Languages:English

Tech Stack:Red Hat Enterprise LinuxWindows ServerDNSDHCPActive DirectoryVMwareMySQLNASSANWSUSSecurity+VCenterESX

Eligibility

Work Authorization:Authorization required. Sponsorship not provided.

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