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Principal Linux System Administrator

RTX

$82,000 - $164,000
Aug 22, 2025
Tewksbury, MA, USA
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Raytheon Technologies' Digital Technology team needs to develop, implement, and maintain secure, cost-efficient IT environments across various classified programs to enable business growth, speed, and agility through business innovation, technical proficiency, and operational excellence.

Requirements

  • Must have Linux experience.
  • Experience in one of the following: LDAP, Active Directory, VMware, MySQL, networking administration experience.
  • VMware highly desired
  • 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

Responsibilities

  • Provide IT systems administration in a heterogeneous Redhat Enterprise Linux, Microsoft Windows, and AIX environment.
  • Understanding and knowledge of 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).
  • Understanding 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.

Other

  • 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
  • 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 is required to other US Domestic locations as business needs dictate up to 10% travel.