Sr Systems Administrator; Linux); Onsite
Listed on 2026-09-22
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IT/Tech
Systems Administrator, Unix/Linux, Cybersecurity, IT Support
Location:
US-TX-MCKINNEY-513WA ~ 2501 W University Dr ~ WING A BLDG
Date Posted:Country:United States of America
Location:US-TX-MCKINNEY-513WA ~ 2501 W University Dr ~ WING A BLDG
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
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. We are currently seeking a Linux Systems Administrator that will be working onsite in a highly collaborative, multi-platform and multi–disciplined environment.
The Systems Administrator is required to have an active secret security clearance as they will be responsible for deploying and maintaining classified IT infrastructures. Our Digital Technology (DT) group combines foundational IT with new digital technologies - driving business efficiencies and 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.
The candidate’s day-to-day activities include but are not limited to:
Redhat Linux server management; storage management; file server management; access management; data backup; software and license configuration; and workstation support. Each day in the life of a Systems Administrator can bring something new – building a new IT infrastructure for a group of engineers, restoring files due to an outage, updating virus definitions and security patches, teaming with our brilliant engineers on how to improve their processes, and more.
By any measure, Collins Aerospace is an exciting and rewarding place to work. We pride ourselves on developing world-class talent in an atmosphere. The result is a workforce that takes pride in the company and consistently delivers superior solutions. Besides supporting our noble mission and collaborating with talented individuals, other benefits at Collins Aerospace include a flexible 9/80 schedule, technical training, career growth opportunities, and new technology immersion.
- This is onsite position in Mckinney, TX
- You will provide System Administration in a heterogeneous Redhat 7 & 8 Enterprise Linux environment.
- Understanding and knowledge of Linux Server internals to include DNS, File sharing protocols, DHCP, AD integration via LDAP, file system structures and permissions.
- 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 backup uses and technologies.
- Install and configure software applications requested by end users.
- Work with Cybersecurity professionals to maintain security requirements.
- Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570
- Certification requirements within 6 months of start date.
- Typically requires a University Degree and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience.
- U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
- An active DoD Secret clearance is required.
- Experience with security…
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