Principal System Administrator- sponsor clearance and three locations
Listed on 2026-07-24
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IT/Tech
Cybersecurity, Systems Administrator, IT Support, Windows Server
Principal System Administrator
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.
Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. We deliver solutions that help our nation and allies defend freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.
Our Digital Technology (DT) organization ensures that Raytheon teammates across the globe are able to communicate, collaborate and innovate for customer success. We create leading-edge technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world.
Principal System Administrator floater based in Tewksbury, MA Woburn, MA and Andover, MA locations internally known as Principal Analyst, Information Workplace Services collaborate and 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 supporting Linux enterprise and Windows 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 Power Shell 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, Dev Sec Ops , 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.
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 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 Power Shell scripting
Qualifications We Prefer:
- 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 Net App 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 Dev Sec Ops 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:
- Our values…
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