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

Company: RTX
Location: Richardson
Posted on: April 4, 2026

Job Description:

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, I nformation 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, and modify programs in an advanced programming language Experience presenting technical information to customers, clients, and/or internal audiences Working knowledge of thin-client technologies Ability to work effectively with frequent and direct customer interaction in a real-time operational environment Ability to work under pressure in restoring high priority systems back to operations We offer relocation What We Offer Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation. Learn More & Apply Now! Whether you’re just starting out on your career journey or are an experienced professional, we offer a total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. 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. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Keywords: RTX, Flower Mound , Principal Linux System Administrator-Richardson, TX or Aurora, CO, IT / Software / Systems , Richardson, Texas