Senior Windows & Linux Systems Administrator

RTX; Andover (MA); On-site; USD 96,000 - 182,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

401(k) match

Paid time off

Job summary

RTX in Andover, MA is seeking a Principal Systems Administrator to support Windows and Linux enterprise environments in a large-scale, on-site DoD setting. You will design, deploy, and manage VMware-based infrastructure and imaging pipelines, ensuring compliance with STIG/SCAP and security best practices.

Responsibilities include patching, scripting, Active Directory and Group Policy management, and cross-team collaboration with Cyber Security, DevSecOps, Networking, and Storage teams.

Qualifications

• Typically, bachelor’s degree with 5+ years of relevant experience, or an advanced degree with 3+ years of relevant experience.
• Able to obtain a U.S. government issued secret security clearance is required.
• Experience administering Windows and RHEL servers.
• Experience with VMware virtualization.
• Experience with securing system configurations and hardening.
• Experience with scripting.

Responsibilities

• Serve as a Principal Systems Administrator supporting Windows and Linux enterprise environments.
• Design, deploy, and maintain virtual infrastructure using VMware ESXi and vCenter.
• Engineer and sustain imaging, deployment, and automation solutions (MECM/SCCM, PXE, Windows imaging).
• Administer and support Active Directory, Group Policy, and certificate-based authentication.
• Collaborate with Cyber Security, DevSecOps, Networking, Storage, and Tools teams to resolve complex challenges.
• Support on-site DoD environment with occasional after-hours work and travel.

Skills

Windows/Linux admin

VMware

Scripting (PowerShell)

Security hardening

Collaboration across teams

Patch management

Education

Bachelor's degree

5+ years relevant experience

Tools

MECM/SCCM

PXE boot

OS imaging

VMware ESXi/vCenter

Job description

RTX in Andover, MA is seeking a Principal Systems Administrator to support Windows and Linux enterprise environments in a large-scale, on-site DoD setting. You will design, deploy, and manage VMware-based infrastructure and imaging pipelines, ensuring compliance with STIG/SCAP and security best practices.

Responsibilities include patching, scripting, Active Directory and Group Policy management, and cross-team collaboration with Cyber Security, DevSecOps, Networking, and Storage teams.