Principal Systems Administrator-Will sponsor a clearance

Prattwhitney; Andover (MA); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Medical

Dental

Vision

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

Job summary

RTX is seeking an experienced IT infrastructure professional to manage Windows and Red Hat Enterprise Linux environments onsite at our US facilities. You will collaborate across Digital Technology, Engineering, Cybersecurity, Networking, Storage, and Tools teams to ensure secure, compliant operations.

Required is a university degree or equivalent with 5+ years of relevant experience and the ability to obtain Interim DoD Secret clearance. Travel may be required up to 10%.

Qualifications

• Requires University Degree or equivalent plus 3–5+ years of relevant experience.
• Experience administering Windows and Red Hat Enterprise Linux environments.
• Ability to obtain Interim DoD Secret security clearance prior to start.

Responsibilities

• Manage and optimize Microsoft Windows and Red Hat Enterprise Linux infrastructure, ensuring reliable and secure IT operations.
• Act as a senior technical resource to maintain confidentiality, integrity, and availability of IT systems and applications.
• Collaborate with Cybersecurity, Networking, Storage, and Tools teams to resolve complex infrastructure and compliance challenges.

Skills

Windows administration

RHEL administration

Security clearance

Education

University Degree or equivalent experience

Job description

Date Posted: 2026-08-19 Country: United States of America 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.

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 we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation. Relocation assistance is available. Relocation assistance available, provided final candidate meets eligibility requirements

The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels.

• Medical
• Dental
• Vision
• 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 depending on the level of the position and whether or not the position is covered by a collective-bargaining agreement.
• Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class.

RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity.

The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.