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Principal Mechanical Engineer

RTX


Job Location:

El Segundo, CA - USA

Yearly Salary: USD 118300 - 224900
Posted: 29 September 2026 (Yesterday)
Application Deadline: 27 December 2026
Vacancies: 1 Vacancy

Job Summary

Date Posted:

Country:

United States of America

Location:

US-CA-EL SEGUNDO-E01 2000 E El Segundo Blvd BLDG E01

Position Role Type:

Onsite

U.S. Citizen U.S. Person or Immigration Status Requirements:

U.S. citizenship is required as only U.S. citizens are authorized to access information under this program/contract.

Security Clearance Type:

None/Not Required

Security Clearance Status:

Not Required

At Raytheon the foundation of everything we do is rooted in our values and a higher calling to help our nation and allies defend freedoms and deter aggression. We bring 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. Our team solves tough meaningful problems that create a safer more secure world.

Raytheon is looking for a Principal Engineer to join our Space & Airborne Power & Digital Department supporting our analog mechanism control designs. The applicant will support designs of Circuit Card Assemblies (CCA) and Units that provide power and control for mechanisms and other external devices with special emphasis on design for manufacturing assembly test and cost.

What You Will Do

  • Developing innovative technical solutions to a wide range of complex challenges spanning the entire product lifecycle including proposal advanced development design manufacturing integration and testing of missiles and launchers support equipment and electronics for military programs.
  • Perform mechanical design analyses utilizing engineering fundamentals to ensure form fit and function are as intended by design for the use-application.
  • Support component level design and test reviews
  • Raytheon has a strong culture of mentoring; it is expected that employees will be both mentors and mentees
  • Collaboration with both Functional and Program higher level management.
  • Collaboration with Customer and Suppliers
  • Assignment may require some travel (25%)
  • Assignments may include being a team member or guiding a team through several phases of hardware systems lifecycle such as designs and analysis; architecting new electronic systems; developing and documenting subsystem requirements and test plans; peer reviews of designs as a subject matter expert; presentations to peers management and government customers; and root-cause failure investigations

What You Will Learn

  • Lead a mechanical engineering team and collaborate with cross-functional teams including other engineering disciplines operations supply chain quality and external suppliers to resolve technical challenges and develop effective design solutions.
  • Independently manage tasks and deliver on schedule budget and technical goals.
  • Participate in design reviews and conduct trade studies to support informed sound engineering decisions.
  • Mentor and guide less experienced engineers contributing to team development and technical growth.

Qualifications You Must Have

  • Bachelors Degree in a Science Technology Engineering or Mathematics related field and minimum 8 years prior relevant experience or An Advanced Degree in a related field and minimum 5 years experience.
  • Eight years of experience in one or more of the following areas:
    • Electronics packaging design integration and production support
    • Participate in design reviews and conduct trade studies to support informed sound engineering decisions.
    • Mentor and guide less experienced engineers contributing to team development and technical growth.

Qualifications We Prefer

  • Technical Data Package creation using GD&T (Geometric Dimension and Tolerances) change notice processing including communication of required functional and performance requirements.
  • Experience using CREO CAD design and documentation tools or similar 3D solid modeling software with a configuration and data management environment.
  • Prior experience as a technical leader on a complex subsystem during Engineering Manufacturing and Development (EMD) Phase
  • Advanced degree in engineering mathematics physics or related engineering degrees.
  • Systems engineering thought process with analytical skills background.
  • Highly self-motivated individual that can perform multidiscipline work
  • Able to network and/or influence outside of the Department with other design and production support organizations program leadership other engineering disciplines and Manufacturing organizations.
  • Interpersonal skills with the ability to interact positively with peers suppliers management and customers in a production environment.
  • Proven experience in balancing engineering process discipline and innovation for rapid development and program success.
  • Experience working with satellite or similar systems.
  • Practical experience in all phases of the product development lifecycle.

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.

Learn More & Apply Now!

  • Please consider the following role type definition as you apply for this role.
    • Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees as they are essential to the development of our products.


Required Experience:

Staff IC


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