TS/SCI Poly Linux & Windows Admin

Relha LLC; El Segundo, Northern (CA, KY); Hybrid; USD 96,000 - 182,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life insurance

Short-term disability

Long-term disability

401(k) match

Flexible spending accounts

Flexible work schedules

Employee Assistance Program

Scholar program

Parental leave

Paid time off

Job summary

RTX in El Segundo, CA seeks a Linux & Windows Administrator with an active TS/SCI Poly to support classified programs. The role focuses on managing mixed Windows and Red Hat environments, collaborating with Cybersecurity, and delivering secure, scalable IT infrastructure.

Candidates must be U.S. citizens with a transferable clearance and be prepared for full onsite work. The position offers solid benefits and a clear path for advanced DoD assignments.

Qualifications

• Typically requires a bachelor’s degree and minimum of 5 years of prior relevant experience or a master’s degree and minimum of 3 years of prior relevant experience.
• Active and transferable U.S. government issued TS/SCI Poly clearance required prior to start date. U.S. citizenship is required for security clearance eligibility.
• Experience with Windows and Red Hat Enterprise Linux environments and integrated infrastructure.

Responsibilities

• Provide IT systems administration in a heterogeneous Windows and Red Hat Enterprise Linux environment.
• Collaborate in a fast-paced environment to troubleshoot and resolve complex technical issues.
• Work with Cybersecurity to maintain security requirements and create documentation and training on IT processes.

Skills

TS/SCI Poly clearance

Windows admin

Linux admin

Cybersecurity collaboration

DoD 8140/8570 awareness

Education

Bachelor's degree

Master's degree

Tools

VMware ESXi

vSphere

NetApp

Active Directory

RHEL / Red Hat Enterprise Linux

Job description

RTX in El Segundo, CA seeks a Linux & Windows Administrator with an active TS/SCI Poly to support classified programs. The role focuses on managing mixed Windows and Red Hat environments, collaborating with Cybersecurity, and delivering secure, scalable IT infrastructure.

Candidates must be U.S. citizens with a transferable clearance and be prepared for full onsite work. The position offers solid benefits and a clear path for advanced DoD assignments.