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Raytheon Technologies seeks a Principal Linux Systems Administrator in Aurora, CO. This on-site role requires a TS/SCI security clearance and involves building and maintaining secure IT systems while supporting mission-critical operations. Ideal candidates hold relevant degrees and certifications, combined with extensive experience in Linux system administration and troubleshooting.
Date Posted:
2025-05-22Country:
United States of AmericaLocation:
CO102: 16800 E Centretech Pkwy,Aurora 16800 East Centretech Pkwy Building S75, Aurora, CO, 80011 USAPosition Role Type:
OnsiteU.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 clearanceSecurity Clearance:
TS/SCI with PolygraphPrincipal Linux Systems Administrator Aurora, CO, 100% on site. Must have active TS/SCI CI Poly clearance, we offer relocation!
At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring 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. Our team solves tough, meaningful problems that create a safer, more secure world.
Raytheon Digital Technology is an organization that delivers for all of those who defend us by distributing capabilities, solutions, and processes to ensure alignment around program priorities supporting program execution. We support critical programs with unclassified, classified, and proprietary information system capabilities and create end-to-end solutions to solve complex digitalinfrastructure problems.
To achieve the mission of our customers, we strive to empower people with authority and responsibility and provide access to tools and resources that enable each employee to continuously improve their technical and leadership competencies while achieving professional and personal goals.
What You Will Do:
You will be supporting a Raytheon program in a classified environment as a Principal Linux System Administrator.
Responsibilities include building, maintaining, and securing Information Technology systems and directly supporting customer mission-critical capabilities.
Work closely with program developers and system engineers to research issues, determine root causes and implement solutions to system problems.
Must be able to support occasional after-hour maintenance and on-call support
Must be able to lift up to 35 pounds in support of hardware installations.
Occasional travel may be required for installation support.
This position is an onsite role.
Qualifications You Must Have:
Typically requires a bachelor’s degree and a 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 with poly security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
Must have an active DoD 8570 IAT Level 2 certification (or higher) on start date. IAT Level 2 requires one or more of the following Professional Certifications: Security+ CE, CCNA Security, GICSP, GSEC, SSCP, CySA+, CND.
Experience administering Red Hat Linux based systems with minimal support, to include patching, creating/maintaining RPM packages, performance tuning, networking, user management (LDAP), and security hardening
Deployment and administration of systems in Amazon WebServices (AWS)
Qualifications We Prefer:
Using and developing with automation tools/frameworks such as Terraform, Ansible, and Chef as well as scripting - particularly in Bash and Python
Experience administering Windows based systems
Experience with pipeline tools such as Jenkins and Artifactory
Demonstrated ability to work independently and troubleshoot problems with efficiency
What We Offer:
Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation. Relocation assistance is available.
Learn More & Apply Now!
RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.
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