Principal Linux System Administrator

Date Posted:

2026-04-20

Country:

United States of America

Location:

US-MA-WOBURN-WB1 ~ 235 Presidential Way ~ SPENCER 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 Redhat Enterprise Linux, Microsoft Windows and VMWare environment.

• Provide daily checks in multiple data centers.

• Understanding and knowledge of Windows Server internals and Linux fundamentals to include DNS, DHCP, AD, and server replication methods

• Working as a team member in a fast-paced technological environment.  Use troubleshooting techniques to resolve technical problems of moderate to high scope and complexity to include the integration of hardware operating systems (OS) and program specific software.

• Experience data backup uses and technologies. Install and help configure software applications requested by end users.

• 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 10% per year.

• 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.

• 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.

• Must have experience with Active Directory, VMware, Administration, backup and recovery.

• Must have experience with performing functional system checks.

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 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.

Learn More & Apply Now!

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 sever