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Senior Mech Engineer - Antenna and Electronic Packaging

RTX Corporation

el segundo, CAJob$96–182K/yrPosted 2w agoSeen in employer's feed 6 days ago

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At a glance

Compensation
$96–182K/yr
Location
el segundo, CA
Work Authorization
US work authorization required

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

Security clearance

Job overview

The Senior Mechanical Engineer will support electronics packaging design for airborne radar subsystems throughout the hardware life cycle, from concept development and detailed design through integration, production support, and installation. The role includes developing design concepts and technical solutions, creating CAD layouts and documentation, supporting suppliers, and leading smaller project teams. U.S. citizenship and an active existing security clearance are required.

Skills & qualifications

RequiredNice to have

Skills

ANSI Drawing StandardsGD&TAirborne Electronic PackagingHigh-Frequency DesignEnclosure DesignEMI ShieldingThermal ManagementCREO3D Solid ModelingRF PrinciplesRF Circuit Card DesignRF MaterialsManufacturingProducibilityAntenna Mechanical DesignReceiver Mechanical DesignExciter Mechanical DesignProcessor Mechanical DesignCCA ManufacturingMetal Housing ManufacturingBrazement ManufacturingManufacturing and Assembly SupportDefenseAerospace

Qualifications

Bachelor's in STEM or Equivalent Experience5+ Years Relevant ExperienceU.S. CitizenshipActive Security ClearanceAdvanced Degree in Mechanical or Aerospace Engineering

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
401(k) Match
Parental Leave
Paid Time Off

Full job description

Date Posted:

2026-10-14

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:

U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

Security Clearance Type:

DoD

Security Clearance Status:

Active and existing security clearance required after day 1

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.

The Airborne Radar Design department is currently seeking a Sr. Mechanical Engineer for the Radar Antenna Design II section in El Segundo, CA. The person in this position will be involved in electronics packaging design for Airborne Radar Subsystems including Antenna, Receiver, Exciter, Processor and Power Supply subsystems. Tasks will include mechanical engineering support through the hardware life cycle, including concept development, preliminary and detail design, integration and test, transition to production, production support and installation. Typical technologies include electronic enclosures, heat exchangers including coldwalls, machined components, RF microwave assemblies, wiring, connectors, and power supplies. Constraints will include size, weight, power, design to cost, design for manufacture, and compressed project schedules.

What You Will Do:

  • Provide technical support on major programs and interface with Lead Mechanical Engineers and Chief Engineers to support design objectives.

  • Lead smaller project teams through design development, ensuring that established procedures are followed in the creation of technical data packages while meeting all program design objectives.

  • Work from requirements to develop unit design concepts and perform design trades.

  • Be responsible for 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.

  • Understand Engineering Change Release process and work within the company provided Product Data Management (PDM) system.

  • Be a Responsible Engineering Authority (REA) for a subsystem for program assignment.

Qualifications You Must Have:

Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM) degree or a minimum of 5 years’ prior relevant experience, to include any combination of the following:

  • Experience with ANSI drawing standards.

  • Experience with GD&T (Geometric Dimensioning & Tolerances).

  • Experience with electronic packaging for Airborne applications.

Qualifications We Prefer:

  • Design experience in high-frequency environments, enclosure design, EMI shielding, and thermal management.

  • High proficiency with CREO or similar 3D solid modeling software.

  • Proficiency in RF principles, RF circuit card design, RF materials, manufacturing and producibility.

  • Experience with Antenna, Receiver, Exciter, or Processor mechanical design.

  • Exposure to manufacturing processes for CCAs, metal housings, and brazements, or experience in a manufacturing and assembly support role.

  • Advanced degree in Mechanical or Aerospace Engineering.

  • Prior experience in Defense or Aerospace.

  • Active security clearance.

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:

Click on this link (http://www.rtx.com/privacy/Job-Applicant-Privacy-Notice) to read the Policy and Terms

Raytheon Technologies is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.

How this job compares

Set against the 1,706 open Mechanical Engineering jobs on Olive Jobs, counted October 28, 2026.

Pay
  • This posting$96–182K/yr
  • California median$142–198K/yr168 salary ranges
  • US median$115–187K/yr821 salary ranges

This range's midpoint, $139K, is 19% below the California median midpoint ($172K) — in the middle half of Mechanical Engineering salary ranges in California.

Openings
Olive Jobs lists 261 open Mechanical Engineering jobs in California and 1,706 across the US. 2% of them nationwide are listed as remote or flexible.
Hiring the most in California
Experience
This posting asks for at least 5 years of experience; Mechanical Engineering postings that state a minimum ask for 5 years at the median (954 postings).
Education
778 of the 1,706 open Mechanical Engineering jobs (46%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on October 28, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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