Principal Systems Administrator-Will sponsor a clearance
RTX (Raytheon)
- Location
- US-MA-ANDOVER-AN1 ~ 350 Lowell St ~ AN1 ESSEX BLDG
- Work model
- On-Site
- Level
- Principal
- Posted
- Aug 19, 2026
Skills
About this role
Location: US-MA-ANDOVER-AN1 ~ 350 Lowell St ~ AN1 ESSEX 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. 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 freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.
What You Will Do
Manage and optimize Microsoft Windows and Red Hat Enterprise Linux infrastructure, ensuring reliable and secure IT operations. Act as a senior technical resource for the team to maintain confidentiality, integrity, and availability of assigned IT systems and applications. Collaborate across Digital Technology, Engineering, Cybersecurity, Networking, Storage, and Tools teams to resolve complex infrastructure, integration, and compliance challenges, while operating independently with minimal oversight. Partner with Cybersecurity teams to maintain compliance with security requirements and provide documentation, training, and guidance on advanced IT processes and procedures. Lead and contribute to technical meetings with internal teams and program stakeholders, providing technical guidance and best practice to ensure successful outcomes. Develop, document, and enforce system administration processes, standards, and best practices. Participate in Change Request reviews and serve on Change Management Boards at various program levels. Obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent) within a reasonable amount of time Systems are operational 24x7 and occasionally require work effort beyond standard work hours. Travel to other US Domestic locations may be required as business needs dictate. Up to 10% per year. This role is Onsite Qualifications You Must Have Typically requires a University Degree or equivalent experience and minimum 5 years prior relevant experience, or an Advanced Degree in a related field and minimum 3 years’ experience. Experience administering Microsoft Windows and Red Hat Enterprise Linux environments. Ability to obtain Interim U.S. government issued Secret security clearance is required prior to start. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
Qualifications
We Prefer Experience with any of the following technologies: Active Directory, VMware, Network administration, NetApp administration. Scripting/coding proficiency (Python/Go/PowerShell/Bash) Experience supporting engineers in software, simulations, and hardware development. Experience working with NISPOM, JAFAN, JSIG, and/or DoD/RMF guidelines. Strong communication skills, with ability to influence and drive change with peers and leaders across the organization.
What We Offer
Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX