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Senior Principal Mechanical Engineer Advanced Technologies Product Lead

RTX


Job Location:

Tewksbury, MA - USA

Monthly Salary: $ 251600 - 251600
Posted: 22 August 2026 (15 days ago)
Application Deadline: 19 November 2026
Vacancies: 1 Vacancy

Job Summary

Date Posted:

Country:

United States of America

Location:

US-MA-MARLBOROUGH-MA1 1001 Boston Post Rd BLDG 1

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: Top Secret

Security Clearance Status:

Active and existing security clearance required on day 1

At RTX the worlds largest aerospace and defense company 185000 great minds are united by purpose and inspired to make a difference solving the worlds 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 todays mission and stay ahead of tomorrows 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.

The Radar Mechanical Design Department leads mechanical design development and integration of some of the most innovative land-based and shipboard radars in the world. This includes phased array radar systems electronic modules pedestals and power and cooling systems. The department comprises individuals with technical expertise and experience in hardware design integration and production support.

Raytheon is searching for an experienced on-site Senior Principal Mechanical Engineer to support Advanced Technology as a Product Lead on multiple programs based out of our Northeast will lead the design and fabrication of engineering prototype hardware support program proposal efforts development and testing of the Advanced Integrated Surface Sensor portfolio.

This role is 100% on-site in our Marlborough MA or Tewksbury MA location.

What You Will Do

  • Prototype Design and Development oversee the design and development integrated radar subsystems prototypes ensuring it meets customer requirements.
  • This includes working on hardware and electrical components and integrating them into the next higher-level assembly. This role will require something with a hands-on approach with significant past prototype build and mechanical assembly experience.
  • Collaborate across the multi-disciplinary team of engineers and across the business and other RTX sites including those working other subsystems.
  • Frequent technical contact with the customer and senior personnel of requirements IRAD future technical needs etc.
  • Visible and accountable for technical decisions.
  • Effective communication and collaboration skills are critical.
  • Work with minimal direction or supervision while exercising considerable latitude in determining the technical objectives of the assignment.
  • Responsible for the testing and validation of prototype hardware. Includes developing test plans conducting tests (at RTX facilities and offsite customer demos) and analyzing results to verify performance as expected under various conditions.
  • Support the capture of new CRAD efforts through leading the development of white papers and proposal technical volumes.
  • Manage and document technical requirements at the top-level assembly along with tracking lower-level subsystem requirements.
  • Handle technical project management tasks. This includes assessing potential issues and developing strategies to address them before they impact the program.
  • Responsible for meeting cost schedule quality and performance requirements for the finished product.
  • Frequently travel between Marlborough Tewksbury Portsmouth and Andover facilities.


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 or an advanced degree in a related field and minimum 7 years experience.
  • Experience in mechanical design for military or aerospace or commercial applications.
  • Experience with innovative mechanical design and trouble shooting skills.
  • Experience with IRAD development in a collaborative environment.
  • Experience with electronic packaging.

Qualifications We Prefer

  • Experience with ANSI drawing standards and/or first order or structural analysis techniques.
  • Experience in proposal development through technical execution of fast paced design build and testing of prototype units.
  • Familiarity with the design and manufacturing processes of CCAs metal housings sheet metal.
  • Experience with CREO(Pro/E) or similar 3D solid modeling software.
  • Experience with ANSYS Mechanical or similar FEA modeling software.
  • Strong technical background with high technical aptitude.
  • Strong leadership skills and project management.
  • Must have a working knowledge of Microsoft Office (Word Excel PowerPoint).
  • Very strong verbal and written communications and interpersonal skills when working with team members and customers.
  • Advanced degree in Mechanical Electrical or Aerospace Engineering.

What We Offer

  • A total rewards package that goesabove and beyondwith compensation; healthcare wellness and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave flexible work schedules achievement awards educationalassistanceand child/adult backup care.
  • Our values drive our actions behaviors and performance with a vision for a safer more connected world. At RTX we value: Trust Respect Accountability Collaboration Innovation and Safety.
  • Relocationassistanceavailable.

Learn More & Apply Now!


Required Experience:

Staff IC


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