Mechanical Engineer II (Onsite)

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

Benefits offered by this job

Medical

Dental

Vision

Life Insurance

401(k) matching

Job summary

Pratt & Whitney in El Segundo, CA, is seeking an engineer to provide technical support on major programs and coordinate with senior engineers to achieve design objectives.

The role requires a Master’s degree in a STEM field, experience with CREO and 3D solid modeling, and the ability to obtain a DoD Secret clearance. This onsite position offers a competitive salary and comprehensive benefits.

Qualifications

• Master's degree in Mechanical Engineering or STEM 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.
• Contribute to project teams through design development and ensure procedures are followed in technical data packages.
• Work from requirements to develop unit design concepts and perform design trades.
• Develop technical solutions to a range of complex problems.
• Create detailed layouts and design documentation using CAD tools.
• Support suppliers who fabricate components and assemblies.

Skills

CREO experience

3D modeling

GD&T

RF concepts

EMI shielding

Thermal management

Education

Master's degree in Mechanical Engineering or STEM

Tools

CREO

3D solid modeling software

Job description

Job Details

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.

Work Location: El Segundo, CA

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

• 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.

Preferred Qualifications

• 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.

Benefits

• 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


• 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.

Role Type Definition

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.

Salary

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.

Application Window

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.

Equal Opportunity Employer Statement

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.

Company Background

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.