Senior System Administrator

RTX; Pelham (NH); On-site; USD 69,000 - 131,000; Full time

Benefits offered by this job

Relocation assistance

Benefits package

Job summary

RTX is seeking a Senior System Administrator in Information Workplace Services to design, implement, and support secure IT environments for classified programs. You will collaborate with a diverse team to address complex infrastructure needs and ensure 24x7 operations across Windows and Red Hat platforms.

The role requires DoD clearance readiness, strong troubleshooting, and the ability to work with cybersecurity professionals to meet security requirements.

Qualifications

• 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.

Responsibilities

• 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.

Skills

Windows

Red Hat Enterprise Linux

Team collaboration

Troubleshooting

Security clearance readiness

Education

Bachelor's degree

Tools

VMware vCenter

vSphere

ESX

Job description

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 date 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.

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.

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.

The salary range for this role is 68,900 USD - 131,100 USD.

• 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.

RTX 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, Pratt & Whitney, and Raytheon. Its 195,000 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, hypersonics, 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, Virginia.