Mechanical Engineer II (Onsite)

Raytheon; El Segundo (CA); On-site; USD 76,000 - 144,000; Full time

Benefits offered by this job

Relocation Eligibility

Job summary

RTX is seeking a highly skilled mechanical design engineer in an onsite role based in El Segundo, CA. The candidate will contribute to major aerospace programs, interfacing with Lead Mechanical Engineers and Chief Engineers to advance design objectives and develop robust technical data packages.

The role requires a Master’s degree in STEM, hands-on CREO experience, and proficiency in 3D solid modeling. Onsite work will involve collaboration with suppliers and internal teams to ensure performance

Qualifications

• Master's degree in Mechanical Engineering, Aerospace, Engineering Science, Physics, Math, or related STEM major obtained by start date.
• Experience with CREO.
• Experience with 3D solid modeling software.

Responsibilities

• Provide technical support on major programs and interface with Lead Mechanical Engineers and Chief Engineers to support design objectives.
• Contribute to project teams through design development and ensure that established procedures are followed in the creation of technical data packages, while meeting program design objectives.
• Work from requirements to help develop unit design concepts and perform design trades. Contribute to developing technical solutions to a wide range of complex problems.
• Complete detailed layouts and design documentation using Computer Aided Design tools.
• Provide support to suppliers who fabricate components and assemblies.

Job description

Date Posted

2026-08-27

Country

United States of America

Location

US-CA-EL SEGUNDO-R01 ~ 2000 E Imperial Hwy ~ BLDG R01

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

Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX.

What You Will Do

• Provide technical support on major programs and interface with Lead. Mechanical Engineers and Chief Engineers to support design objectives.
• Contribute to project teams through design development and ensure that established procedures are followed in the creation of technical data packages, while meeting program design objectives.
• Work from requirements to help develop unit design concepts and perform design trades. Contribute to developing technical solutions to a wide range of complex problems.
• Complete detailed layouts and design documentation using Computer Aided Design tools.
• Provide support to suppliers who fabricate components and assemblies.

Qualifications You Must Have

• Master's degree in Mechanical Engineering, Aerospace, Engineering Science, Physics, Math, or related (STEM) major obtained by start date.
• Experience with CREO
• Experience with 3D solid modeling software.
• Experience may be obtained through on-the-job experience, research, coursework, or projects.

Qualifications We Prefer

• Experience with GD&T (Geometric Dimensioning & Tolerances)
• Experience with RF principles, RF circuit card design, RF materials, manufacturing and producibility.
• Experience with high-frequency environments, enclosure design, EMI shielding, cable design and thermal management.
• Experience with manufacturing processes for CCAs, metal housings, and brazements, or experience in manufacturing and assembly support.

What We Offer

• 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, and Innovation.
• Relocation Eligibility

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.

The salary range for this role is 75,800 USD - 144,200 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.

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