Linux Systems Administrator | DoD Secret Clearance | Onsite

Collins Aerospace; McKinney (TX); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Three weeks vacation

401(k) with employer matching

Job summary

Collins Aerospace, an RTX company, seeks a Linux Systems Administrator to join our Digital Technology team in McKinney, TX. The role requires an active DoD Secret clearance and hands-on experience with Redhat Linux, storage, and file services, plus strong collaboration across multi-platform environments.

You will deploy and maintain classified IT infrastructures, manage backups, and work with Cybersecurity to uphold security requirements while advancing agile IT modernization initiatives.

Qualifications

• University degree required or advanced degree with relevant experience.
• Active DoD Secret clearance required.
• Experience with Redhat Linux server management and security hardening.
• Experience with virtualization (VMware) and VDI environments.

Responsibilities

• Provide system administration in Redhat Linux environment (7/8).
• Manage storage, file servers, access control, and backups.
• Configure software applications and licenses as requested by end users.
• Collaborate with Cybersecurity to maintain security requirements.
• Assist in building and maintaining classified IT infrastructures.

Skills

Redhat Linux

Security clearance

VMware vCenter

Teamwork

Education

University Degree

Advanced Degree

Tools

VMware vCenter

vSphere

VDI (Horizon)

ESX

Job description

Collins Aerospace, an RTX company, seeks a Linux Systems Administrator to join our Digital Technology team in McKinney, TX. The role requires an active DoD Secret clearance and hands-on experience with Redhat Linux, storage, and file services, plus strong collaboration across multi-platform environments.

You will deploy and maintain classified IT infrastructures, manage backups, and work with Cybersecurity to uphold security requirements while advancing agile IT modernization initiatives.