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RTX

Mechanical Engineer I (Onsite)

United States

The salary range for this role is 62,900 USD - 119,700 USD.

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Job details

Pay: The salary range for this role is 62,900 USD - 119,700 USD.
Apply by: Nov 30, 2026
Posting language: English
Posted: Nov 5, 2026

Original job description

Date Posted:

2026-11-05

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

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.

At Raytheon, the Space and Airborne, Power and Digital (SAPD) department consists of more than 150 engineers working collaboratively with internal and external customers and programs to provide innovative solutions for controlling product motion, including space and air launched vehicles used by a variety of end users who depend on the quality and integrity of our systems. Our systems include electronic processing units, harnessing design, and other components for interfacing with the vehicle and packaging the control assemblies. Due to the highly cross-functional nature of these systems, we are constantly looking for talented engineers with a sub-system solution mindset.

What You Will Do:

Apply research to the planning, design, development, and testing of mechanical and/or electromechanical systems, instruments, controls, engines, and/or machines.
Evaluate and analyze various mechanical products to determine their cost-effectiveness and efficiency while also examining field installations and recommending design modifications to eliminate malfunctions.
Participate in product development activities, executes tests, and produces parts, designs, or sketches, following all appropriate Mechanical Engineering design, safety, and qualification standards.
Test models of alternate designs and processing methods to assess operating condition effects. Produce parts, designs, or sketches for machines, components, systems or work orders / purchase requests.

Qualifications You Must Have:

Bachelor’s degree in Mechanical Engineering or related Science, Technology, Engineering, or Mathematics (STEM) major obtained by start date.
Experience utilizing parametric 3D CAD software (such as SolidWorks, PTC Creo, Autodesk Inventor, CATIA, or Siemens NX) to generate 3D solid models, mechanical assemblies, and detailed 2D engineering drawings.
Experience in mechanical design applied through coursework, academic research, engineering competition teams (e.g., Formula SAE, Baja, Robotics), or hands-on projects.

Qualifications We Prefer:

Bachelor’s degree in Mechanical Engineering or Aerospace Engineering.
Cumulative GPA of 3.0 or higher from an ABET-accredited institution.
Knowledge or application of Geometric Dimensioning & Tolerancing (GD&T) principles per ASME/ANSI Y14.5.
Hands-on experience in rapid prototyping and mechanical fabrication, including additive manufacturing (3D printing via FDM, SLA, or SLS) or machine shop equipment (mills, lathes, drill presses, or CNC equipment).
Demonstrated problem-solving aptitude applied to structural, thermal, or multi-disciplinary hardware challenges.

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

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.

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 62,900 USD - 119,700 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.

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More about this job

Skills

Packaging
Research
Mechanical engineering
CAD software
Dassault Systemes SolidWorks
PTC Creo
Autodesk Inventor
Dassault Systemes CATIA
Siemens NX
Robotics
Aerospace engineering
3D Printing
CNC
Problem solving

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