Principle Linux Systems Administrator

Raytheon; Tewksbury (MA); On-site; USD 90,000 - 130,000; Full time

Job summary

Raytheon is hiring for an IT Systems Administrator in Massachusetts. The role involves administering Linux and Windows environments, collaborating with Cybersecurity, and ensuring security requirements are met. Travel up to 10% and 24x7 readiness may be required.

The candidate should have strong experience with LDAP/AD, VMware, and data backup technologies, and must be able to obtain a DoD security clearance within 6 months.

Qualifications

• Typically requires a university degree or equivalent and 5+ years of relevant experience.
• Must be able to obtain and maintain a U.S. government security clearance (DoD).
• Experience with Linux and Windows Server internals, DNS/DHCP/LDAP/AD.
• Experience with VMware, storage, networking and data backup technologies.

Responsibilities

• Provide IT systems administration in Red Hat Linux and Windows environments.
• Work with cybersecurity to maintain security requirements and document IT processes.
• Troubleshoot technical problems of moderate to high scope and complexity.
• Travel to other US locations up to 10% as needed.
• Achieve DoDD 8140/8570 certification within 6 months of start date.
• Support engineers in software, simulations, and hardware development.

Skills

Linux

LDAP

Active Directory

VMware

MySQL

Networking

Scripting

Education

Bachelor's degree in CS/Engineering

Advanced degree in related field

Tools

VMware vCenter

WSUS

MECM

Windows Server

Job description

Location: US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord

Date Posted: 2026-09-14

Country: United States of America

Location: US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord

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. 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. 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 Redhat Enterprise Linux, and Microsoft Windows.
• Experience with Linux fundamentals and Windows Server internals to include Ansible, DNS, DHCP, LDAP, AD, and server replication methods.
• Working 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).
• 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.
• Must be able to develop solutions and documentation to a variety of technical problems.
• Systems are operational 24x7 and occasionally require work effort beyond standard work hours.
• Travel required to other US Domestic locations as business needs dictate up to 10% travel.
• Full time 100% Onsite position

Qualifications You Must Have

• Typically requires a University degree or equivalent experience and a minimum of 5 years of prior relevant experience or an Advanced Degree in a related field and minimum 3 years experience.
• The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
• Must have Linux experience.
• Experience in one of the following: LDAP, Active Directory, VMware, MySQL, networking administration experience.

Qualifications We Prefer

• VMware highly desired.
• An active DoD Secret clearance.
• 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.
• In-depth working experience in Linux environment.
• 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.

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.

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