Senior Mechanical Engineer

Prattwhitney; El Segundo (CA); On-site; USD 95,500 - 181,700; Full time

Benefits offered by this job

Relocation Eligible

Job summary

RTX seeks a Senior Engineer to join the Space & Airborne Power & Digital Department, supporting electronics packaging for missiles and launchers. You will lead mechanical design efforts and oversee CCA and unit packaging with a focus on manufacturability, assembly, test, and cost considerations.

You will mentor engineers, manage tasks to schedule and budget, and participate in design reviews and trade studies to ensure robust solutions across domestic and international supplier networks.

Qualifications

• Bachelor’s degree in a Science, Technology, Engineering, or Mathematics related field with minimum 5 years of experience, or an advanced degree with minimum 3 years experience.
• Experience leading a mechanical engineering team and collaborating across cross-functional teams to resolve challenges and develop solutions.
• Experience with managing tasks to schedule, budget, and technical goals; design reviews and trade studies.

Responsibilities

• Lead mechanical engineering efforts for space and airborne power and digital packaging.
• Perform mechanical design analyses ensuring form, fit, and function across product lifecycle.
• Mentor less experienced engineers and drive cross-functional collaboration.

Skills

Leadership experience

Mechanical design

Project management

Trade studies

Design reviews

CREO CAD

Education

Bachelor's degree in STEM

Advanced degree in related field

Tools

CREO CAD

Job description

Date Posted: 2026-07-31 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 today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. Raytheon is looking for a Senior Engineer to join our Space & Airborne Power & Digital Department, supporting our electronics mechanical packaging designs. The applicant will support designs of Circuit Card Assemblies (CCA) and Units that provide power and control for sensor processing 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. Lead small teams utilizing strong mechanical hardware design experience and knowledge in a fast-paced collaborative environment with structures, thermal, harness and interconnects, electronics packaging, tooling and/or integration. Provide support for product assembly and integration in factories and suppliers at both domestic and international locations to assess requirements compliancy.

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

• A Bachelors Degree in a Science, Technology, Engineering, or Mathematics related field and minimum 5 years prior relevant experience, or An Advanced Degree in a related field and minimum 3 years experience.
• Experience leading a mechanical engineering team and/or collaborate with cross-functional teams including other engineering disciplines, operations, supply chain, quality, and/or external suppliers to resolve technical challenges and develop effective design solutions.
• Experience with managing tasks and delivering on schedule, budget, and/or technical goals.
• Experience with design reviews and/or conduct trade studies to support informed, sound engineering decisions.

Qualifications We Prefer

• Highly detail-oriented with a demonstrated ability to work effectively within cross-functional teams.
• Ability to work autonomously, lead engineering teams, with minimal supervision.
• 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.
• Factory support experience and development of low-rate as well as full-rate production of hardware.
• Experience in design, fabrication, or integration of effectors and launchers including harness and interconnects, energetics and propulsion, and electronics packaging.
• Working knowledge of industry specifications utilized in creation of technical data packages.
• Willingness to travel to suppliers and factories (domestic and international)
• Advanced degree in mechanical, aerospace, or manufacturing engineering, or hardware systems design.
• Mentor and guide less experienced engineers, contributing to team development and technical growth.

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 Eligible

Additional Information

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. This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm

Location Info and/or Links: El Segundo, CA: https://careers.rtx.com/global/en/raytheon-el-segundo-ca-location. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 95,500 USD - 181,700 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.

Privacy Policy and Terms:

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.