Senior Principal Linux System Administrator

Company: RTX
Location: Woburn
Posted on: April 1, 2026

Job Description:

Date Posted: 2026-03-30 Country: United States of America Location: US-MA-WOBURN-WB2 ~ 225 Presidential Way ~ GODDARD BLDG 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: DoD Clearance: Secret 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. What You Will Do : Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods. Experience with data RAID, data backup uses and technologies. Install and configure software applications requested by end users. Work with Cybersecurity professionals to maintain security requirements and 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 is required to other US Domestic locations as business needs dictate. Frequency at 5%. Full time 100% Onsite position. Qualifications You Must Have: Typically requires a University degree or equivalent experience and a minimum of 8 years of prior relevant experience or an Advanced Degree in a related field and a minimum of 5 years experience. Active and transferable U.S. government issued Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Experience with some but not limited to, the following technologies: Windows administration, Linux/RHEL administration, Active Directory, WSUS, VMware, administration and networking administration experience, and recovery enterprise suites. Experience with server architectures and troubleshooting methods and be able to assist in developing solutions and documentation to a variety of technical problems. Must have experience in Microsoft Client/Server environments and lead/mentoring experience required. Qualifications We Prefer: VMware highly desired. 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 IBM AIX Operating System. Experience with Solaris Operating System. 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, SMECP, and/or Exchange. High Performance Computing (HPC) experience in a Linux environment. Scripting Experience. 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. Learn More & Apply Now! prior relevant experience unless prohibited by local laws/regulations. 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 107,500 USD - 204,500 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, Chelsea , Senior Principal Linux System Administrator, IT / Software / Systems , Woburn, Massachusetts