Sr. Principal Systems Administrator

RTX RTX · Aerospace · el segundo, CA +1 · Digital Technology

This role is for a Sr. Principal Systems Administrator at RTX, a defense company. The primary responsibilities include deploying and maintaining classified IT infrastructures, server management, storage management, access management, data backup, software configuration, and workstation support in a heterogeneous RedHat Enterprise/Microsoft Windows environment. The role requires an active secret security clearance and the ability to obtain DoD 8140/8570 certification.

What you'd actually do

  1. Provide IT systems administration in a heterogeneous RedHat Enterprise/Microsoft Windows and environment.
  2. Lead and coordinate the Red Hat Installation and configuration.
  3. Participate in all phases of Engineering software installation and support, with emphasis on testing, documentation, and acceptance phases.
  4. Collaborate with teams and mentor junior Linux admins.
  5. Apply understanding and knowledge of Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods.

Skills

Required

  • Red Hat Enterprise Linux
  • Active Directory
  • WSUS
  • VMware
  • Server architectures
  • VMWare vCenter
  • vSphere
  • Linux Desktops
  • Windows desktops (Windows 10, 11)
  • Splunk
  • ESX

Nice to have

  • DoD T/S clearance
  • CompTIA Security+ CE
  • Operating System Certification
  • NISPOM
  • JAFAN
  • JSIG
  • DFARS
  • DoD/RMF
  • data storage
  • NAS
  • SAN technologies
  • Microsoft WSUS
  • SCCM
  • Exchange
  • High Performance Computing (HPC)
  • Scripting/ Automation

What the JD emphasized

  • The ability to obtain and maintain a U.S. government issued security clearance is required.
  • U.S. citizenship is required
  • Active secret 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.