TS/SCI Linux & Windows Systems Admin - Onsite

Raytheon; El Segundo (CA); On-site; USD 96,000 - 182,000; Full time

Benefits offered by this job

Medical

Dental

Vision

Life insurance

401(k) match

Flexible work schedules

Employee Scholar Program

Parental leave

Paid time off

Holidays

Job summary

Raytheon in El Segundo, CA is seeking Principal Linux and Windows System Administrators to design, implement, and maintain secure, cost-efficient IT environments supporting classified programs and cross‑functional teams.

You will collaborate with Cybersecurity to satisfy security requirements, perform system hardening, backup, and incident response while ensuring high availability and DoD compliance across Windows and Red Hat platforms.

Qualifications

• Typically requires a bachelor’s degree and 5+ years of relevant experience or a master’s with 3+ years of relevant experience.
• Active and transferable TS/SCI Poly clearance required; U.S. citizenship.
• Experience administering Windows and Red Hat Enterprise Linux environments.
• Experience with RHEL setup, security management, backups and restores.
• Experience with Windows OS and Windows Server OS.
• Experience with NetApp storage solutions.

Responsibilities

• Provide IT systems administration in Windows and Red Hat environments.
• Collaborate in a fast‑paced team to troubleshoot complex issues including hardware and OS integration.
• Work with Cybersecurity to meet security requirements and produce documentation and training.
• Develop solutions and create documentation for various technical problems.
• Obtain DoDD 8140/8570 Certification (Security+ or equivalent) as required.
• Participate in team collaboration and manage virtualized environments.
• Full-time 100% onsite position.

Skills

Windows administration

Linux administration

Security clearance TS/SCI Poly

Troubleshooting

Collaboration

Education

Bachelor's or Master's in CS/IT or related field

Tools

RHEL

Windows Server

VMware

NetApp storage

Ansible

Job description

Raytheon in El Segundo, CA is seeking Principal Linux and Windows System Administrators to design, implement, and maintain secure, cost-efficient IT environments supporting classified programs and cross‑functional teams.

You will collaborate with Cybersecurity to satisfy security requirements, perform system hardening, backup, and incident response while ensuring high availability and DoD compliance across Windows and Red Hat platforms.