Principal Windows- Linux Systems Administrator- Will sponsor a clearance

RTX • Woburn, MA

4d • Onsite

About The Position

The Principal Systems Administrator supports Windows and Linux enterprise environments across multiple programs and locations in Woburn, Tewksbury, and Andover, Massachusetts, as business needs dictate. The role is responsible for the design, implementation, maintenance, patching, and troubleshooting of Windows Server, Windows 11, RHEL 7/8/9, and virtualized infrastructure in a large-scale, mission-critical environment operating 24x7x365.

The position supports a fully onsite DoD closed-area environment and requires coordination with Digital Technology, Engineering, Cyber Security, DevSecOps, Networking, Storage, and Tools teams. The administrator works independently with minimal direction, handling planned and emergent operational needs, occasional after-hours support, and up to 10% travel as required. A DoD interim clearance is required to set a start date; U.S. citizenship is required.

Requirements

• Typically, a bachelor’s degree with 5+ years of relevant experience, or an advanced degree with 3+ years of relevant experience.
• Experience administering and securing Windows and RHEL servers.
• Experience with VMware virtualization.
• Experience securing system configurations and hardening systems.
• Experience with scripting.
• Ability to obtain a U.S. government-issued Secret security clearance; a DoD interim clearance is required to start, and a start date will be set once the interim clearance is issued.
• U.S. citizenship is required because only U.S. citizens are eligible for a security clearance.
• Ability to work fully onsite in a DoD closed-area environment and support multiple Massachusetts locations as business dictates.

Nice To Haves

• Currently active Secret clearance.
• 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.

Responsibilities

• Design, implement, maintain, patch, and troubleshoot Windows Server, Windows 11, RHEL 7/8/9, and virtualized infrastructure.
• Perform Windows and Linux patching, vulnerability remediation, and compliance activities, including STIG/EVAL STIG implementation, SCAP/ACAS support, and log collection in coordination with Cyber Security teams.
• Design, deploy, and maintain VMware ESXi and vCenter virtual infrastructure, including VM lifecycle management, host upgrades, performance tuning, and production workload support.
• Engineer and sustain enterprise imaging, deployment, and automation solutions using MECM/SCCM, PXE, Windows imaging, in-place OS upgrades, PowerShell, and automation frameworks.
• Administer and support Active Directory, Group Policy, secure system configurations, certificate-based authentication, and customized user environments.
• Collaborate with Digital Technology, Engineering, Cyber Security, DevSecOps, Networking, Storage, and Tools teams to resolve infrastructure, integration, and compliance challenges.
• Support planned and emergent operational needs in an onsite DoD closed-area environment, including occasional after-hours support and travel of up to 10% as required.
• Prioritize competing demands and work independently with minimal direction in a fast-paced operational environment.

Benefits

• Medical insurance
• Dental insurance
• Vision insurance
• Life insurance
• Short-term disability
• Long-term disability
• 401(k) match
• Flexible spending accounts
• Flexible work schedules
• Employee assistance program
• Employee Scholar Program
• Parental leave
• Paid time off
• Holidays
• Annual short-term and/or long-term incentive compensation programs may be available depending on position level and collective-bargaining coverage; payments are not guaranteed.
• Relocation eligible

What This Job Offers

• Job Type: Full-time
• Career Level: Principal