Sr. Linux System Administrator

Date Posted : 2025-10-27

Country :

United States of America

Location :

CO106 : 16470 East Hughes Drive,Aurora 16470 East Hughes Drive Building S77, Aurora, CO, 80011 USA

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 : Secret - Current

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 Technologies 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 are able to 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.

Senior Linux System Administrator , internally known as Senior Analyst, Information Workplace Services collaborate and 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 :

Provide IT systems administration in a heterogeneous Microsoft Windows, VMWare and Redhat Enterprise Linux environment.

Provide daily checks in multiple data centers.

Understanding and knowledge of Windows Server internals and Linux fundamentals to include DNS, DHCP, AD, and server replication methods

Working as a team member in a fast-paced technological environment.  Use troubleshooting techniques to resolve technical problems of moderate to high scope and complexity to include the integration of hardware operating systems (OS) and program specific software.

Experience data backup uses and technologies. Install and help configure software applications requested by end users.

Work with Cybersecurity professionals to maintain security requirements.

Provide documentation and training on advanced IT processes and procedures and other tasks as assigned.

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.

Qualifications You Must Have :

Typically requires bachelor’s and minimum of 2+ years of relevant prior experience.

Must have a transferable U.S. government issued secret security clearance prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Must have Linux experience.

Must have experience with Active Directory, VMware, Administration, backup and recovery.

Qualifications We Prefer :

Must have experience with performing functional system checks.

Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification)

Experience with NISPOM, JAFAN, JSIG, DFARS and / or DoD / RMF

Experience with data storage, NAS, and SAN technologies and solutions

Experience with using Information Technology project lifecycle management processes.

Experience using VMWare vCenter, vSphere, and ESX and / or other virtual computing methods.

Experience supporting engineers in software, simulations, and hardware development.

Experience with Microsoft WSUS, MECM, and / or Exchange

High Performance Computing (HPC) experience in a Linux environment

Scripting Experience

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.

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 quantum physics, electric propulsion, directed energy, hypersonic, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, VA.

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 66,000 USD - 130,000 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.

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