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Raytheon · 14 hours ago

Principal System Administrator

Tewksbury, MA

Full-time

Onsite

Senior Level, Lead/Staff

$87K/yr - $165K/yr

5+ years exp

Raytheon is a leading aerospace and defense company dedicated to helping the nation and allies defend freedoms. The Principal System Administrator will collaborate and support critical programs with classified information system capabilities, ensuring secure and efficient IT infrastructures across various classified programs.

Intellectual PropertyInternetWeb Hosting

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Serve as a Principal Systems Administrator supporting Windows and Linux enterprise environments, responsible for the design, implementation, maintenance, patching, and troubleshooting of Windows Server, Windows 11, RHEL 7/8, and virtualized infrastructure within a large-scale, mission-critical environment operating 24x7x365

Experience with Windows and Linux patching, vulnerability remediation, and compliance activities, including STIG/EVAL STIG implementation, SCAP/ACAS support, log collection, and close coordination with Cyber Security teams to maintain continuous compliance with DoD and regulatory requirements

Design, deploy, and maintain virtual infrastructure using VMware ESXi and vCenter, including VM lifecycle management, host upgrades, performance tuning, and support of critical production workloads

Engineer and sustain enterprise imaging, deployment, and automation solutions, including MECM/SCCM, PXE, Windows imaging, in-place OS upgrades, and scripted software deployment using PowerShell and automation frameworks

Administer and support core Windows services and integrations, including Active Directory, Group Policy, secure system configurations, certificate-based authentication, and customized user environments

Collaborate across Digital Technology, Engineering, Cyber Security, DevSecOps, Networking, Storage, and Tools teams to resolve complex infrastructure, integration, and compliance challenges, while operating independently with minimal oversight

Support both planned and emergent operational needs in a fully on-site DoD closed-area environment, including occasional after-hours support and up to 25% travel as required to meet program objectives

Work independently, prioritize competing demands, and execute with minimal direction in a fast-paced operational environment

Qualification

Windows ServerLinux (RHEL 7/8)VMware ESXiPowerShell scriptingActive DirectorySTIG implementationMECM/SCCMCybersecurity complianceCollaborationProblem-solving

Required

Typically, bachelor's degree with 5+ years of relevant experience, or an advanced degree with 3+ years of relevant experience

Active and transferable U.S. government issued secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Experience administering and securing Windows Server (2019/2022), Windows 11, and RHEL 7/8 systems

Experience with VMware virtualization technologies, including ESXi, vCenter, VM lifecycle management, and host upgrades

Experience with securing system configurations, system hardening, STIG/EVAL STIG implementation, vulnerability remediation, and compliance

Experience with PowerShell scripting