Secret-Cleared Linux Systems Administrator (Onsite)

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

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) plan with match

Tuition reimbursement

Employee Assistance Program

Job summary

Collins Aerospace is seeking a Linux Systems Administrator in McKinney, TX onsite. The role requires an active DoD Secret clearance and US citizenship. You will manage Red Hat Linux environments, virtualization, and security, supporting engineers and maintaining classified IT infrastructure.

Responsibilities include system provisioning, access control, backups, and collaboration with cybersecurity teams to meet DoD directives. Onsite schedule and comprehensive benefits accompany the role.

Qualifications

• Active DoD Secret clearance required.
• U.S. citizenship required for clearance eligibility.
• Experience with Red Hat server administration and workstation management.
• Experience with VMware virtualization technologies (vCenter, vSphere, Horizon).
• Knowledge of security infrastructure, backups, disaster recovery, and data protection.

Responsibilities

• Provide system administration in a heterogeneous Red Hat Enterprise Linux environment.
• Manage DNS, file sharing, DHCP, and LDAP/AD integration.
• Collaborate in a fast-paced, multi-platform team.
• Resolve technical issues with hardware and OS integration.
• Support cybersecurity requirements and comply with security directives.

Skills

Linux system administration

Red Hat Linux

Troubleshooting

Security compliance

Teamwork

Education

Bachelor's degree in related field

DoD security awareness or similar

Tools

VMware vCenter

VMware vSphere

VDI/Horizon

LDAP/AD integration

NAS/SAN storage

Job description

Collins Aerospace is seeking a Linux Systems Administrator in McKinney, TX onsite. The role requires an active DoD Secret clearance and US citizenship. You will manage Red Hat Linux environments, virtualization, and security, supporting engineers and maintaining classified IT infrastructure.

Responsibilities include system provisioning, access control, backups, and collaboration with cybersecurity teams to meet DoD directives. Onsite schedule and comprehensive benefits accompany the role.