Principal System Administrator Windows or Linux
Listed on 2026-06-24
-
IT/Tech
Systems Administrator, Cybersecurity, Systems Engineer, IT Support
Date Posted:
Country: United States of America
Location: US-CA-EL SEGUNDO-E04 ~ 2006 E El Segundo Blvd ~ BLDG E04
Position Role Type: Onsite
U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
Security Clearance Type: Top Secret - Current
Security Clearance Status: Active and existing security clearance required on day 1
At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world‑class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.
Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.
- Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment.
- Experience with troubleshooting techniques to resolve technical problems of moderate to high scope and complexity to include the integration of hardware and operating systems.
- Execute actions as directed by senior staff and project management.
- Engage in cross‑team collaboration and align with expectations of leadership team.
- Design, develop and deploy containers.
- Participate in all phases of Engineering software installation and support, with emphasis on testing, documentation, and acceptance phases.
- Manage ESXi, VCenter and Microsoft Windows domains.
- Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods.
- Experience with hardware RAID, hardware and software encryption and server management tools.
- Perform data backup and restore, using industry best practice.
- Install and configure software applications requested by end users.
- Work with Cybersecurity professionals to maintain security requirements.
- Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start date.
- Systems are operational 24x7 and occasionally require work effort beyond standard work hours.
- Travel required as business needs dictate to other US domestic locations, up to 10% per year.
- Full time 100% Onsite position.
- Typically requires a University degree or equivalent experience and a minimum of 5 years of prior relevant experience or an Advanced Degree in a related field and minimum 3 years experience.
- Active and transferable U.S. government issued Top Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
- Experience with Windows and/or Linux.
- Experience Deploying Windows workstations and migrating end‑user data.
- Experience with cloning techniques.
- Use and guide use of automation tools e.g. Ansible.
- Experience with operating system concepts and implementations.
- Microsoft Windows Active Directory Services administration and support (e.g. user and computer objects administration, Group Policy).
- Experience with network services related to Microsoft Windows environment (e.g. DC, DNS, DHCP, etc.).
- Experience with supporting desktop / workstation hardware.
- Experience with an IT incident/service request system.
The salary range for this role is 95,500 USD - 181,700 USD. Hired applicants may be eligible for benefits, including medical, dental, vision, life insurance, short‑term disability, long‑term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance…
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).