Senior System Administrator
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Senior System Administrator at RTX, Pelham, NH. Posted Oct 21, 2026, last seen on the employer's hiring page Nov 5, 2026. Mentioned in the posting: Clearance required, Security+.
Date Posted: 2026-10-22

Country: United States of America

Location: US-NH-PELHAM-PE1 ~ 50 Bush Hill Rd ~ BLDG 1

Position Role Type: Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security...
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Date Posted:
2026-10-22

Country:
United States of America

Location:
US-NH-PELHAM-PE1 ~ 50 Bush Hill Rd ~ BLDG 1

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:
Ability to obtain INTERIM U.S. government issued security clearance is required prior to start dateAt 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.
Senior System Administrator in Information Workplace Services will collaborate with a diverse team 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:
- Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment.
- Work as a team member in a fast-paced technological environment.
- Use troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS).
- 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 5% per year.
Qualifications You Must Have:
- Typically requires a bachelor’s degree and a minimum of 2 years of prior relevant experience in systems administration and/or IT service desk support.
- Ability to obtain INTERIM 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
- Experience with installation, configuration, and administration of Windows operating systems.
- Experience with developing solutions and documenting technical problems and their solutions.
- Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods
Qualifications We Prefer:
- 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 in Windows Server and RedHat Enterprise Linux
- Experience with Zero Clients
- Experience with data storage, NAS, and SAN technologies and solutions
- Experience supporting engineers in software, simulations, and hardware development
- Experience with Microsoft WSUS, SCCM, and/or Exchange
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 68,900 USD - 131,100 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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