Principal Systems Administrator- Will sponsor a clearance!

RTX (Raytheon); Woburn (MA); On-site; USD 110,000 - 165,000; Full time

Benefits offered by this job

Relocation eligible

Job summary

RTX in Woburn, MA seeks a Principal Systems Administrator to support Windows and Linux enterprise environments in a DoD cleared, 24x7 operation. You will design, implement, and maintain secure, cost-efficient infrastructure across classified programs, collaborating with Cyber Security, DevSecOps, and Networking teams.

Required are a DoD secret clearance, U.S. citizenship, and experience with VMware, Windows/Linux, scripting, and hardening.

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. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Must have an DoD interim clearance to start
• Experience administering and securing Windows and RHEL servers
• Experience with VMware virtualization
• Experience with securing system configurations, system hardening
• Experience with scripting

Responsibilities

• Serve as a Principal Systems Administrator supporting Windows and Linux enterprise environments, designing, implementing, maintaining, patching and troubleshooting.
• Collaborate 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 lifecycle management and host upgrades.
• Engineer and sustain imaging, deployment and automation solutions using MECM/SCCM, PXE, and Windows imaging.
• Administer core Windows services and integrations (Active Directory, Group Policy, authentication).
• Work with cross-functional teams to resolve infrastructure challenges in a fast-paced environment.
• Provide on-site support in a DoD closed-area environment, with occasional after-hours and up to 10% travel.

Skills

Windows administration

Linux administration

VMware virtualization

Security hardening

Scripting

Education

Bachelor's degree in a related field

Advanced degree

Tools

MECM/SCCM

PXE boot services

OS imaging

PowerShell scripting

VMware vCenter

Job description

Date Posted: 2026-09-16

Country: United States of America

Location: US-MA-WOBURN-WB1 ~ 235 Presidential Way ~ SPENCER BLDG

Position Role Type: Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: 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

Security Clearance Type: DoD Clearance: Secret

Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Principal System Administrators , based in Woburn, MA, internally known as Principal Analyst Infrastructure Workplace Services, collaborate with many teams to support exciting, critical programs with classified information system capabilities. Success in this role means you can develop, implement and maintain secure, cost-efficient environments across various classified programs. Program teams rely on your collaboration and guidance to define computing requirements and create end-to-end solutions to solve complex IT infrastructure problems.

What You Will Do :

Serve as a Principal Systems Administrator will be supporting Windows and Linux enterprise environments, responsible for the design, implementation, maintenance, patching, and troubleshooting of Windows Server, Windows 11, RHEL 7/8/9, 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 10% travel as required to meet program objectives.

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

Full time 100% onsite position.

Must have an interim clearance to start

Qualifications You Must Have:

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. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Must have an DoD interim clearance to start

Experience administering and securing Windows and RHEL servers

Experience with VMware virtualization

Experience with securing system configurations, system hardening

Experience with scripting

Qualifications We Prefer:

• Current active a Secret clearance
• Experience serving as a technical SME or primary point of contact for patching, vulnerability remediation, or compliance initiatives.
• Hands-on experience with MECM/SCCM, PXE boot services, OS imaging, and automated software deployment frameworks.
• Familiarity with NetApp storage and/or HPC environments.
• Experience with enterprise Windows services, including Active Directory, Group Policy, and identity integration.
• Familiarity with cybersecurity and compliance tooling, such as ACAS, SCAP, Splunk, STIG Viewer, and audit support processes.
• Experience supporting or integrating with DevSecOps environments, including Kubernetes, Rancher, and artifact repositories.
• Experience with SQL Server, including clustered configurations.
• Prior experience supporting DoD, defense, or highly regulated environments.

Relocation eligible

What We Offer:

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