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RTX

Senior Mechanical Engineer (Onsite)

United States

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

Apply on globalhr.wd5.myworkdayjobs.com About employer

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Job details

Pay: The salary range for this role is 95,500 USD - 181,700 USD.
Posting language: English
Posted: Nov 12, 2026

Original job description

Date Posted:

2026-11-12

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: 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

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

At Collins Aerospace, our Mission Assured Navigation and Timing, Inertial, and Simulation (MANTIS) organization is a growing business area in need of a qualified electrical engineer to support development and factory transition of state-of-the-art navigation products for the Government marketplace. The ideal candidate shall have a well-rounded background; one that has demonstrated experience or training in multiple aspects of electrical engineering such as RF, digital, and analog design. This is an individual contributor role in which the engineer is part of a cohesive team of engineers responsible for developing key subsystems for the PNT product lines.

What You Will Do

The MANTIS SEIT/HW Department is currently seeking a Senior Mechanical Engineer for the MANTIS HW Section in El Segundo, CA.
The person in this position will be involved in electronics packaging design for GPS Receivers. Tasks will include:
Mechanical engineering throughout the hardware life cycle, including concept development, preliminary and detail design, transition to production, production support and installation.
Design and development of GPS receivers
Typical technologies include high density printed wiring board assemblies, electronic enclosures, thermal heat exchangers, machined components, RF microwave assemblies, and power converter units, all with
Challenging design constraints including Size, Weight, Power, and design to Cost

What You Will Learn

Design and release mechanical parts and systems for GPS Receiver Packaging and other sub-systems.
Provide engineering support to internal operations and external suppliers.
Create 3-D models, 2-D detail drawings, and Change Notices.
Support creation of Design Specification and Acceptance Requirement documents.

Qualifications You Must Have

Experience with completing detailed layouts and design documentation using Computer Aided Design tools
Experience with providing support to suppliers who are fabricating the unit components and assemblies.
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.
Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience

Qualifications We Prefer

Proficiency in RF principles, RF circuit card design, RF materials, manufacturing and producibility.
Design experience in high-frequency environments, enclosure design, EMI shielding, and thermal management.
Proficiency with CREO (Pro/E) or similar 3D solid modeling software.
Exposure to manufacturing processes for CCAs, metal housings or experience in a manufacturing and assembly support role.
Strong technical background with high technical aptitude.
Advanced degree in Mechanical, Electrical, or Aerospace Engineering.
Prior experience in Defense or Aerospace
GPS Receiver Mechanical Design Experience

Learn More & Apply Now

What We Offer:

Some of our competitive benefits packages include:

Medical, dental, and vision insurance
Three weeks of vacation for newly hired employees
Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
Tuition reimbursement program
Student Loan Repayment Program Life insurance and disability coverage
Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, and ID theft protection
Birth, adoption, parental leave benefits
Ovia Health, fertility, and family planning
Adoption Assistance
Autism Benefit
Employee Assistance Plan, including up to 10 free counseling sessions
Healthy You Incentives, wellness rewards program
Doctor on Demand, virtual doctor visits
Bright Horizons, child and elder care services
Teladoc Medical Experts, second opinion program
Eligible for relocation
And more!

Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions - whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.

Please ensure the role type (defined below) is appropriate for your needs before applying to 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.

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again.

Apply now and be part of the team that’s redefining aerospace, every day. #MISENG

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.

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Apply on globalhr.wd5.myworkdayjobs.com About employer

More about this job

Skills

Electrical engineering
Packaging processes
GPS
Mechanical engineering
Packaging
Documentation
EMI
Three-dimensional 3D solid modeling
Manufacturing processes
Assembly
Aerospace engineering

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Work requirements

Jobs in the United States