Mechanical Engineer II - Microelectronics Packaging

Raytheon; San Diego (CA); On-site; USD 76,000 - 144,000; Full time

Benefits offered by this job

Relocation eligibility

Job summary

RTX is seeking an on-site Mechanical Engineering role focused on developing advanced microelectronics packaging for radar systems. You will design, analyze, and document hardware using Creo Parametric and Windchill, performing structural, thermal, and tolerance analyses.

You will partner with manufacturing and test teams across IRAD, Development, and Production programs, contribute to reviews, support packaging of assemblies, and travel up to 25% to suppliers and facilities.

Qualifications

• Masters degree in Mechanical Engineering or related STEM field required.
• Experience designing, manufacturing, and integrating mechanical assemblies and electronics packaging for aerospace or military applications.
• Experience with Mil-Spec hardware and material selections.
• Proficiency with Creo Parametric or other mechanical CAD tools.

Responsibilities

• Support mechanical development for microelectronics packages and assemblies.
• Perform first-order structural, thermal, and tolerance analyses.
• Create 3D models, drawings, and GD&T documentation for hardware realization.
• Collaborate with manufacturing and test teams on prototype builds and verification.
• Participate in design reviews to ensure performance, manufacturability, and reliability.
• Travel up to 25% to suppliers and production facilities.

Skills

Creo Parametric

Windchill

GD&T

Mechanical design

Electronics packaging

Thermal analysis

Structural analysis

Technical presentation

Education

Master's degree in Mechanical Engineering or STEM field

Tools

PTC Creo Parametric

Windchill

Job description

Date Posted: 2026-08-05

Country: United States of America

Location: US-CA-SAN DIEGO-SD1 ~ 8650 Balboa Ave ~ SAN ANTONIO BLDG

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

Support development of novel advanced microelectronics packaging solutions within a team environment for a broad range of design challenges supporting advanced radar systems and subsystems throughout various IRAD, Development, and Production environment programs. Utilize a variety of standard hardware and materials to develop novel design and assembly approaches for advanced electronics. Perform mechanical analysis of packages and systems including first-order structural, thermal, and tolerance analyses. Support the full mechanical design lifecycle, including requirements development, concept generation, trade studies, material selection, free-body diagram development, and geometric dimensioning & tolerancing (GD&T) application. Create and support 3D models, engineering drawings, tolerance analyses, and manufacturing documentation required for hardware realization primarily using PTC Creo Parametric and Windchill Product Data Management System.

• Partner with manufacturing and test teams to support prototype builds, tooling development, integration activities, and verification testing.
• Participate in technical and design reviews while ensuring designs meet performance, quality, manufacturability, and reliability requirements.
• Support mechanical development efforts for microelectronics packages and higher-level assemblies while balancing technical performance, schedule, cost, and risk considerations.
• Work with a multi-disciplined team of engineers on mechanical housing design, electronics equipment packaging, circuit card assemblies, interconnects, and thermal management.
• Create and deliver presentations with clear and concise technical content.
• Position requires a minimum of 25% of travel to suppliers and production facilities, which includes domestic and international travel.

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 the design, manufacturing, and integration of mechanical assemblies, electronics packaging, and/or test equipment for military and/or aerospace applications
• Experience with Mil-Spec Hardware and Material Selections
• Experience with PTC CREO Parametric or other Mechanical CAD Tools

Experience may be obtained through on-the-job experience, research, coursework, or projects

Qualifications We Prefer

• Demonstrated Mechanical Engineering Design Knowledge
• An Existing Secret or Top Secret Security Clearance
• Experience with ANSI/ASME Y14.5 GD&T (Geometric Dimensioning and Tolerancing)
• Printed Wiring Board (PWB) Design and Fabrication Knowledge
• Circuit Card Assembly (CCA) Design and Layout Collaboration Experience
• Knowledge of Electromechanical Assemblies and the Interrelationship of the Components Therein
• Knowledge of Materials and Fabrication Methods
• Knowledge of Mechanical Fabrication Techniques (Additive, Traditional Milling, EDM, etc…)
• Experience With Suppliers of Machined Parts and Electronics
• Ability to Interpret Standard Mechanical Fabrication and Assembly Drawings
• Experience with Production Support Including Use of Basic Measurements Tools
• Knowledge of Environmental Testing and Validation
• Strong CAD, Technical Writing, and Oral Communication Skills
• Experience with Creating and Delivering Technical Presentations

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

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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