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RTX

Principal System Administrator

United States

The salary range for this role is 86,800 USD - 165,200 USD.

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Job details

Pay: The salary range for this role is 86,800 USD - 165,200 USD.
Experience: Raytheon brings 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.
Posting language: English
Posted: Nov 12, 2026

Original job description

Date Posted:

2026-11-12

Country:

United States of America

Location:

US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET 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:

Secret - Current

Security Clearance Status:

Active and existing security clearance required on day 1

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings 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. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. 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.

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.

Principal System Administrator based in Tewksbury, MA, internally known as Principal Analyst, Information Workplace Services, will 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:

Serve as a Subject Matter Expert (SME) for Microsoft Windows and Red Hat Enterprise Linux (RHEL) environments, providing technical leadership in the design, implementation, troubleshooting, and sustainment of physical and virtual infrastructure.
Collaborate across Digital Technology and supported programs to develop and deliver cost-effective hardware and software solutions that meet current and future business needs while leveraging industry best practices.
Partner with customers, engineers, system administrators, storage architects, network engineers, tools teams, and High-Performance Computing (HPC) teams to design solutions and resolve complex infrastructure challenges.
Ensure high levels of system availability, reliability, and performance through proactive monitoring, infrastructure management, troubleshooting, and continuous improvement.
Ensure compliance with applicable cybersecurity and regulatory requirements, including DFARS, Risk Management Framework (RMF), NIST cybersecurity standards, and organizational security requirements.
Respond to service and support requests, ensuring work is appropriately prioritized, tracked, documented, and driven to resolution while delivering a high level of customer service.
Develop and maintain technical and operational documentation, standards, and procedures while mentoring and developing other system administrators through technical leadership, knowledge sharing, cross-training, and hands-on guidance.
Work full time onsite within a Department of Defense (DoD) closed area and support occasional planned and unplanned activities outside standard business hours. Travel to other U.S. domestic locations may be required, up to 10% annually.
Obtain applicable Department of Defense Directive (DoDD) 8140/8570 certification requirements (CompTIA Security+ CE or equivalent certification) within six months of the start date.

Qualifications You Must Have:

Typically, requires a University Degree or equivalent experience and minimum 5 year prior relevant experience, or an Advance Degree in a related field and minimum 3 years experience
Active and transferable U.S. government issued Secret security clearance prior to the start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
Experience administering Microsoft Windows and Red Hat Enterprise Linux (RHEL) server, desktop, or virtualized environments.
Experience supporting enterprise infrastructure services and secure computing environments, including areas such as Active Directory, identity and access management, system configuration, patching, troubleshooting, virtualization, storage, backup and recovery, networking, or lifecycle management.

Qualifications We Prefer:

Extensive experience administering Microsoft Windows and RHEL enterprise environments, including technologies such as AD DS, Group Policy, DFS, WDS, WSUS, MECM/SCCM, MDT, PXE, PKI, Kerberos, and Linux/Windows integration technologies such as Centrify, Samba, SSSD, or NIS; experience developing automation and administrative scripts using PowerShell, Bash, Python, Perl, C, or similar languages.
Experience with virtualization and enterprise infrastructure technologies, including VMware vCenter, vSphere, Horizon, ESXi, storage, backup and recovery, networking, and/or High-Performance Computing (HPC).
Experience implementing cybersecurity and compliance controls, system hardening, vulnerability remediation, and compliance assessments using technologies such as ACAS, Splunk, Nessus, SCAP, STIG/EVAL STIG, and Ivanti within environments governed by NISPOM, JAFAN, JSIG, DFARS, and/or DoD RMF requirements.
Experience supporting engineering environments used for software development, simulation, integration, and hardware development, including working within Agile methodologies such as SAFe, Scrum, or Kanban.
Demonstrated technical leadership with strong troubleshooting, teamwork, communication, collaboration, customer service, and organizational skills, including the ability to mentor others and lead complex technical efforts across multiple stakeholder groups.

Relocation eligible!

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. Relocation assistance is available.
Relocation assistance available, provided final candidate meets eligibility requirements

Learn More & Apply Now

Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as: Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

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.

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Jobs in the United States