Linux System Admin – (Onsite) (Clearance Required)

Date Posted:

2026-01-22

Country:

United States of America

Location:

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

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

Do you want to be a part of a team whose impact stretches across the world, and even beyond? 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 out DT team.

**This is an onsite position ins St. Petersburg**

What YOU will do:

• Provide DT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment.

• Understanding and knowledge of Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods. 

• Working as a team member in a fast-paced technological environment.  Use troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS).

• Understanding data RAID, data backup uses and technologies. Install and configure software applications 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 Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start date.

• Systems are operational 24x7 and occasionally require work effort beyond standard work hours.

• Full time 100% Onsite position.

Qualifications YOU Must Have:

• Typically requires a University Degree and minimum 2 years of prior relevant experience.

• U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

• Active and transferable U.S. government issued Secret security clearance is required prior to start date.

• Proven experience Identifying, installing, and troubleshooting Linux Red Hat OS systems, including clients, physical servers and virtual machines.

• Theoretical experience with one of the following security frameworks: NIST 800-53, 800-171, CMMC, NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF

• Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start date.

Qualifications We Prefer:

• Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent) certification and an Operating System Certification.

• Clear verbal & written skills for explaining tech to non-tech users.

• Experience with administration of Active Directory (Basic user account management (create, reset passwords).

• Experience with documenting technical problems and their 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:

Some of our competitive benefits packages include:

• Medical, dental, and vision insurance.

• Three weeks of vacation for newly hired employees.

• Generous 401(k) plan that includes employer matching funds and separate. employer retirement contribution, including a Lifetime Income Strategy option.

• Tuition reimbursement program.

• Student Loan Repayment Program.

• Life insurance and disability coverage.

• Optional covera