Sr. Principal Systems Engineer, Sustainment Tech Lead Onsite

Prattwhitney; Woburn (MA); On-site; USD 132,000 - 252,000; Full time

Benefits offered by this job

Relocation assistance

Job summary

RTX is seeking a Senior Principal Systems Engineer to join the Systems Integration & Test Long Range Radars team and support X-Band radar technology. You will lead a small group of radar systems engineers, coordinating with program management, IPT, and customers to ensure successful analysis, testing, and delivery of radar solutions.

The role requires a STEM degree with 10+ years of experience, strong MATLAB/Python/C/C++ skills, and hands-on systems engineering and radar data analysis.

Qualifications

• Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 10 years of prior relevant experience.
• Experience with MATLAB, Python, C/C++, Linux, Unix, shell scripting and/or other programming languages.
• Experience with systems engineering, radar data analysis, integration, verification, validation and/or system testing.

Responsibilities

• Manage the execution of all scope of work assigned to the radar sustaining engineering teams, determine the allocation of personnel within the team to perform that work, and review and approve any SI&T deliverables before delivery to the customer.
• Support program growth through the deployment and continuous improvement of people, processes, and tools.
• Lead internal status meetings with systems and site engineers and develop weekly technical status and issue reports.
• Support maintenance event planning with site team, Logistics, and Maintenance planning.
• Provide guidance to systems and site engineers in development of fault isolation procedures, identification of root cause, and implementation of candidate corrective actions.
• Interact with Program Managers, Business Development, Directorate Managers, and Business Area VPs to achieve business objectives.
• Willingness for 10% local and non-local travel including experience with domestic and foreign military sales products.

Skills

Radar systems engineering

Systems integration

DoD programs

Leadership

Education

Bachelor's degree in STEM

Tools

MATLAB

Python

C/C++

Linux

Unix

Shell scripting

Job description

Date Posted: 2026-10-01 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. Raytheon's 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.

Raytheon's Systems Engineering and Test Capabilities (SE&TC) Surface Radars & Sensors Center is seeking a Senior Principal Systems Engineer to join our team Systems Integration & Test Long Range Radars Department within the Systems Engineering & Test Capabilities Directorate who will support X-Band Radar technology. The Radar Systems Engineer will be the primary point-of-contact for Foreign Military Sales (FMS) deployed radars. The SI&T Sustaining Engineering Technical Lead will be the primary SI&T interface to the customer community, program management, the integrated product team (IPT), the chief engineer and other stakeholders. The individual in this role leads a small team of Radar Systems Engineers in their analysis, reporting of radar performance, and development of troubleshooting and corrective action plans for a range of issues including mechanical, electrical, microwave, software and cyber security.

What You Will Do

• Manage the execution of all scope of work assigned to the radar sustaining engineering teams, determine the allocation of personnel within the team to perform that work, and review and approve any SI&T deliverables before delivery to the customer.
• Support program growth through the deployment and continuous improvement of people, processes, and tools.
• Lead internal status meetings with systems and site engineers and develop weekly technical status and issue reports.
• Support maintenance event planning with site team, Logistics, and Maintenance planning.
• Provide guidance to systems and site engineers in development of fault isolation procedures, identification of root cause, and implementation of candidate corrective actions.
• Interact with Program Managers, Business Development, Directorate Managers, and Business Area VPs to achieve business objectives.
• Willingness for 10% local and non-local travel including experience with domestic and foreign military sales products.

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 10 years of prior relevant experience.
• Experience with MATLAB, Python, C/C++, Linux, Unix, shell scripting and/or other programming languages.
• Experience with systems engineering, radar data analysis, integration, verification, validation and/or system testing.
• Experience with electronic schematics and/or diagrams.

Qualifications We Prefer

• Familiarity with X-Band radar technology radar hardware and software.
• Experience with DoD or similar major programs throughout the product lifecycle.
• Experience working on international programs.
• Experience in management of engineering teams.
• 5+ years in technical and program leadership positions (IPT Lead, CPT Lead, Project Manager, Systems Lead, Test Director, etc.).

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 Eligibility

Relocation Eligibility– Relocation assistance available

Salary range for this role is 132,400 USD - 251,600 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, 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, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it 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.