Senior Windows SysAdmin - DoD Secret Cleared Onsite

Raytheon

El Segundo (CA)

On-site

USD 96,000 - 182,000

Full time

14 days+

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Job summary

RTX is seeking a Principal System Administrator in El Segundo, CA, to support classified programs with secure, cost-efficient IT environments. You will administer Windows and Red Hat Linux systems, collaborate across teams, and work with Cybersecurity to meet security requirements.

The role requires DoD Secret clearance, active citizenship, and hands-on experience with Windows administration, VMware, and NetApps. It is a full-time onsite assignment with strong focus on reliability and security.

Qualifications

Bachelor's degree in a relevant field with 5+ years of experience, or a master's with 3+ years.
Active DoD Secret clearance required before start; U.S. citizenship required.
Experience with Microsoft Windows administration and VMware, NetApps, and backup software.

Responsibilities

Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment.
Collaborate in a fast-paced environment, troubleshooting complex issues and supporting hardware/OS integration.
Work with Cybersecurity to maintain security requirements and document processes and training on IT procedures.
Develop solutions and documentation for a variety of technical problems.
Maintain DoDD 8140 / 8570 Certification requirements (CompTIA Security+ or equivalent).
Full-time 100% onsite position.