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Linux System Admin Onsite; Clearance Required

Job in Saint Petersburg, Pinellas County, Florida, 33739, USA
Listing for: Collins Aerospace
Full Time position
Listed on 2026-01-27
Job specializations:
  • IT/Tech
    Cybersecurity
Salary/Wage Range or Industry Benchmark: 60000 - 80000 USD Yearly USD 60000.00 80000.00 YEAR
Job Description & How to Apply Below
Position: Linux System Admin –  (Onsite) (Clearance Required)

Overview

Location: US-FL-ST PETERSBURG-381BD ~ 7401 22nd Ave N ~ BLDG D

Date Posted:

Country: United States of America

Position Role Type: Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type: DoD Clearance:
Secret

Security Clearance Status: Active and existing security clearance required on day 1

Introduction: Collins Aerospace, an RTX company, is a leader in advanced technologically and intelligent solutions for the global aerospace and defense industry. Our Digital Technology (DT) group combines foundational IT with new digital technologies - driving business efficiencies and a better customer experience by connecting technologies, people, information, and processes. If you’re an agile thinker who enjoys utilizing modern technology to make big improvements, then you’re a perfect fit for our DT team.

This is an onsite position in St. Petersburg.

What YOU will do
  • Provide DT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment.
  • Understand Windows Server internals or Linux fundamentals including DNS, DHCP, AD, and server replication methods.
  • Collaborate in a fast-paced environment; troubleshoot technical problems to moderate to high scope and complexity, including hardware and OS integration.
  • Understand data RAID, data backup technologies; install and configure software applications as requested by end users.
  • Work with Cybersecurity professionals to maintain security requirements.
  • Provide documentation and training on advanced IT processes and procedures and other tasks as assigned.
  • Must be able to obtain DoDD 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent) within 6 months of start date.
  • Systems are operational 24x7 and may require work beyond standard hours.
  • Full time 100% Onsite position.
Qualifications You Must Have
  • Typically requires a University Degree and minimum 2 years of relevant experience.
  • U.S. citizenship is required for security clearance eligibility.
  • Active and transferable U.S. government issued Secret security clearance required prior to start date.
  • Experience identifying, installing, and troubleshooting Linux Red Hat OS systems, including clients, physical servers, and virtual machines.
  • Theoretical experience with one or more security frameworks: NIST 800-53, 800-171, CMMC, NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF
  • Must be able to obtain DoDD 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent) within 6 months of start date.
Qualifications We Prefer
  • DoDD 8140 / 8570 Certification (CompTIA Security+ CE or equivalent) certification and an OS Certification.
  • Strong verbal and written skills for explaining tech to non-tech users.
  • Experience with Active Directory basic user account management (create, reset passwords).
  • Experience documenting technical problems and solutions.
  • Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF security frameworks.
  • Experience using VMware vCenter and/or other virtual computing methods.
What We Offer
  • Medical, dental, and vision insurance.
  • Three weeks of vacation for newly hired employees.
  • Generous 401(k) plan with employer matching and retirement contribution, including a Lifetime Income Strategy option.
  • Tuition reimbursement program.
  • Student Loan Repayment Program.
  • Life, disability, and optional coverages (pet, home/auto, additional life, critical illness, group legal,  protection).
  • Parental leave benefits, fertility/family planning support, adoption assistance, autism benefit.
  • Employee Assistance Program with up to 10 free counseling sessions.
  • Wellness rewards program and other health incentives.
  • Virtual doctor visits and access to digital health resources.
  • Child and elder care services support.
  • And more benefits available depending on the business unit.
EEO / Privacy

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable protected class. RTX provides affirmative action in employment for qualified individuals with a disability and protected veterans in compliance with applicable laws.

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