Mechanical Engineer II - Microelectronics Packaging

Job ID: 01864649Posted: Posted TodayStart Date: 2026-08-19Location: US-CA-SAN DIEGO-SD1 ~ 8650 Balboa Ave ~ SAN ANTONIO BLDGCountry: United States of AmericaTime Type: Full timeDate Posted:2026-08-19 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 1Are 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 DoSupport 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 HaveMaster'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 applicationsExperience with Mil-Spec Hardware and Material SelectionsExperience with PTC CREO Parametric or other Mechanical CAD ToolsExperience may be obtained through on-the-job experience, research, coursework, or projectsQualifications We PreferDemonstrated Mechanical Engineering Design KnowledgeAn Existing Secret or Top Secret Security ClearanceExperience with ANSI/ASME Y14.5 GD&T (Geometric Dimensioning and Tolerancing)Printed Wiring Board (PWB) Design and Fabrication KnowledgeCircuit Card Assembly (CCA) Design and Layout Collaboration ExperienceKnowledge of Electromechanical Assemblies and the Interrelationship of the Components ThereinKnowledge of Materials and Fabrication MethodsKnowledge of Mechanical Fabrication Techniques (Additive, Traditional Milling, EDM, etc…)Experience With Suppliers of Machined Parts and ElectronicsAbility to Interpret Standard Mechanical Fabrication and Assembly DrawingsExperience with Production Support Including Use of Basic Measurements ToolsKnowledge of Environmental Testing and ValidationStrong CAD, Technical Writing, and Oral Communication SkillsExperience with Creating and Delivering Technical PresentationsWhat We OfferOur 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 EligibilityLearn 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 productsAs 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 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. Privacy Policy and Terms:Click on this link to read the Policy and Terms