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Senior Principal Mechanical Engineer

RTX


Job Location:

Tewksbury, MA - USA

Yearly Salary: USD 132400 - 251600
Posted: 29 September 2026 (3 days ago)
Application Deadline: 27 December 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:

The ability to obtain and maintain a U.S. government issued security clearance is required. 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:

Active and existing security clearance required after 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.

Mechanical Engineering is searching for an experienced Senior Principal Design Engineer to work in the Radar Design Department.

Thisonsite role will be based inMarlborough MAor Tewksbury MA.

What You Will Do

  • Developsound technical solutions to a wide range of complex problems related to the entire product life cycle.
  • Program support and development from early development through transition to production.
  • Lead the mechanical development of radar systems and components that achieve the performance requirements at the system-level.
  • Provide technical conscience challenged with making sure the product and process meet appropriate standards and requirements.
  • Ensure balance with risk conditions and constraints while advising leadership.
  • Visible and accountable for technical decisions.
  • Frequent technical contact with the customer and senior personnel inclusive of requirements significant technical commitments IRAD future technical needs etc.
  • Maintain responsibility for meeting cost schedule quality and performance requirements for the finished product.
  • Work with minimal direction or supervision while exercising considerable latitude in determining the technical objectives of the assignment.
  • Utilize effective communication with all levels of a program and customer.
  • Periodic travel will be required to support collaboration and hardware build and test.

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 in the design of mechanical design for military or aerospace or commercial applications.
  • Experience with phase array structures and/or hardware packaging and/or array integration for military or mechanical or commercial applications in a collaborative environment.

Qualifications We Value

  • Experience with ANSI drawing standards and/or first order or structural analysis techniques.
  • Experience in Metrology.
  • Experience in ruggedized or military integration.
  • Experience with CREO(Pro/E) or similar 3D solid modeling software.
  • Familiarity with the design and manufacturing processes of CCAs metal housing sheet metal or assembly operations.
  • Leadership skills and project management for strategic decisions.
  • Working knowledge of Microsoft Office (Word Excel PowerPoint).
  • Advanced degree in Science Technology Engineering or Mathematics (STEM).

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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