Principal Linux System Administrator
Listed on 2026-02-16
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IT/Tech
Cybersecurity, Systems Administrator, IT Support, Systems Engineer
Date Posted:
Country: United States of America
Location: US-CO-AURORA-S75 ~ 16800 E Centretech Pkwy ~ BLDG S75
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: TS/SCI with CI Poly - Current
Security Clearance Status: Active and existing security clearance required on day 1
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 digital infrastructure 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 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.
- You will 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 and must be able to lift to 35 pounds in support of hardware installations.
- Occasional travel may be required for installation support.
- This position is 100% onsite role.
- 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.
- An active cyber security certification, qualified for DoD 8570 IAT Level 2 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 Enterprise Linux (RHEL) based systems
- Using and developing automation tools/frameworks such as Ansible, as well as scripting, primarily Bash and Python
- Deployment and administration of systems, storage, and networking in virtualized environments using VMware vCenter, Experience managing network devices, Experience administering Windows based systems
- Experience with pipeline tools such as Jenkins and Artifactory
- Demonstrated ability to work independently and troubleshoot problems with efficiency
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 Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry‑leading businesses – Collins Aerospace Systems, Pratt & Whitney, and Raytheon. Its 185,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in…
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