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Senior Linux System Administrator Security Clearance

Job in Marlborough, Middlesex County, Massachusetts, 01752, USA
Listing for: RTX
Full Time position
Listed on 2026-01-01
Job specializations:
  • IT/Tech
    Systems Engineer, Cybersecurity
Job Description & How to Apply Below
Position: Senior Linux System Administrator with Security Clearance
Date Posted:

Country:
United States of America

Location:

MA801:
Marlborough, MA 1001 Boston Post Road Building 2, Marlborough, MA, 01752 USA
Position Role Type:
Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements:
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
Security Clearance:
DoD Clearance:
Secret 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.

This is your opportunity to join the Receiver Exciter and Processing Architecture (REPA) Department as a specialized Linux System Administrator. The team's primary goal is to design, architect, and implement signal processing algorithms on a variety of high-performance processing platforms - including CPUs, FPGAs and GPUs, on COTS and semi-custom hardware platforms, for next generation radar systems deployed on land and sea.

This position is intended to split time between Linux system administration of these platforms and supporting testing of specialized hardware.

What You Will Do:

* Work in team of HW and SW engineers to support hardware build, integration, and test of custom processing hardware.

* Provide IT systems administration in a Red Hat Enterprise Linux environment for real-time systems.

* Ethernet and Infini Band network configuration, maintenance and troubleshooting.

* Write and execute python and bash scripts to support verification testing and to automate procedures.

* Develop integration and test plans, procedures, and conduct execution of functional, performance, and environmental testing at the subsystem level. For example, log hardware metrics and present results on power, cpu and memory usage, cpu temperature, and network throughput.

* Update FPGA firmware using Quartus.

* Assist in architecting hardware systems to meet performance needs.

* This 1st shift role will be 100% on-site and based in Marlborough, MA. Qualifications You Must Have:
* Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum 5 years' of prior work experience, or an Advanced Degree in a related field and minimum 3 years' of prior work experience.

* Experience administrating Linux operating systems.

* Experience with datacenter / HPC computer hardware.

* Experience with scripting (e.g. shell, bash, python). Qualifications We Prefer:
* CompTIA Linux+ certification.

* Experience with automation tools / frameworks (e.g. Terraform, Ansible, Chef, Git Lab, Git Lab Runner).

* Experience with observability tools such as Grafana, Telegraf, and Prometheus.

* Experience with developer tools (e.g. Git, Jenkins, Artifactory, Jenkins, Jira).

* Experience with C++.

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.

* This position offers relocation based on candidate eligibility. Learn More & Apply Now!
* Please consider the following role type definition as you apply for this role. 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.

* Clearance Information:
This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://(Use the "Apply for this Job" box below). 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…
Position Requirements
10+ Years work experience
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