Job Board
LogoLogo

Get Jobs Tailored to Your Resume

Filtr uses AI to scan 1000+ jobs and finds postings that perfectly matches your resume

RTX Logo

Principal Linux System Administrator

RTX

$82,000 - $164,000
Aug 18, 2025
Tewksbury, MA, USA
Apply Now

Raytheon is seeking a Principal Linux Systems Administrator to support classified programs by developing, implementing, and maintaining secure, cost-efficient environments. The role involves collaborating with program teams to define computing requirements and create end-to-end solutions for complex IT infrastructure problems.

Requirements

  • Experience with Red Hat Enterprise Linux 8 and 9
  • Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF is highly desired!
  • VMware highly desired
  • Red Hat Enterprise Linux 5,6,7 experience
  • Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification)
  • Experience with data storage, NAS, and SAN technologies and solutions
  • Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods.

Responsibilities

  • Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment.
  • Lead and coordinate the Installation and configuration of Information Systems
  • Responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux/Windows infrastructure for classified programs.
  • Duties include, but are not limited to, server management (software and hardware); storage management (logical and physical); cross platform authentication and access management; data backup and restoration; software and license configuration; and workstation support
  • 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).
  • 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.

Other

  • Must have an active transferable U.S. government issued secret clearance prior to start date.
  • U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
  • 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.
  • Full time 100% Onsite position
  • Typically requires a bachelor’s degree and minimum of 5 years of prior relevant experience or a master’s degree and minimum of 3 years of prior relevant experience