Principal Linux System Administrator-Richardson, TX or Aurora, CO

Date Posted:

2026-03-27

Country:

United States of America

Location:

US-TX-RICHARDSON-C37 ~ 1737 Cityline Dr ~ CITYLINE C37

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.  

Empowering a global business. Providing affordable solutions. Delivering competitive discriminators by unleashing deep expertise. These are just some of the many ways the Digital Technology team at Raytheon creates success for our customers. Joining our team will allow you to collaborate with Raytheon organizations to enable business growth, speed, and agility through business innovation, technical proficiency, and operational excellence.

Our Digital Technology (DT) organization ensures that Raytheon teammates across the globe can communicate, collaborate and innovate for customer success. We create leading-edge technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world.

Principal Linux System Administrator, internally known as a Principal Analyst, based in Richardson, TX or Aurora, CO, Information Workplace Services collaborate with many teams to support exciting, critical programs with classified information system capabilities. Success in this role means you can develop, implement, and maintain secure, cost-efficient environments across various classified programs. Program teams rely on your collaboration and guidance to define computing requirements and create end-to-end solutions to solve complex IT infrastructure problems.

What You Will Do:

• You will be supporting a Raytheon program in a classified environment as a Linux System Administrator. Responsibilities include the monitoring and support of systems that are operational 24x7 and which occasionally require work effort beyond standard work hours.
• You will perform routine and preventative maintenance, troubleshooting, root cause analysis, accurately document issues in logging and discrepancy reporting tools, support system engineering groups as needed for ongoing analysis and integration efforts, design/implement updates to satisfy requirements flowed down from engineering, and upgrade existing COTS products to targeted baselines.
• This position serves as a help desk team member in a customer-facing environment, so the ability to communicate effectively and respectfully with other teams and with the customer is of utmost importance, as you will be expected to uphold our excellent reputation.
• Must be able to work effectively with frequent and direct customer interaction in a real-time operational environment
• Must be able to work under pressure in restoring high priority systems back to operations
• 100% on site position
• Up to 5% travel

Qualifications You Must Have:

• Typically requires a bachelor’s degree and a minimum of 5 years or prior relevant experience or a master’s degree and 3 years of 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
• (on start date) 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
• OS experience in UNIX, specifically Linux RedHat, Windows
• Experience with virtual/cloud computing technologies such as Citrix, VMware, and/or Amazon Web Services (AWS)
• Experience with storage products from Oracle, Dell/EMC (e.g., Isilon/PowerScale), and/or NetApp
• Must have Cloudera experience

Qualifications We Prefer:

• Ability to navigate, debug