> Markdown version of [/jobs/ext/4587043-senior-mechanical-design-engineer-rcp-hardware-onsite](https://www.wearedevelopers.com/jobs/ext/4587043-senior-mechanical-design-engineer-rcp-hardware-onsite). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Mechanical Design Engineer - RCP Hardware (Onsite) - **Company:** RTX - **Location:** McKinney, TX, United States - **Experience:** Expert - **Salary:** $86,800 - $165,200 - **Contract:** Permanent contract - **Skills:** 3D Printing, Computer-Aided Design, Adobe InDesign, Systems Engineering, Computational Fluid Dynamics, SolidWorks (CAD), Systems Architecture, Creo - **Published:** November 5, 2026 - **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-TX-MCKINNEY-513WB--2501-W-University-Dr--WING-B-BLDG/Senior-Mechanical-Design-Engineer---RCP-Hardware--Onsite-_01886308 ## About the Role 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, * Experience with Computer Aided Design (CAD). Includes working knowledge of model creation, interrogation with CAD tools like PTC Creo (preferred), NX or Solidworks to support mechanical designs. * Experience with electronic product packaging (Circuit Card Assemblies, Printed Wiring Boards, electronics chassis, etc) * 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 * 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, * Experience performing Finite Element Analysis (FEA) and/or Computational Fluid Dynamics (CFD) and associated analysis methodologies * Experience interfacing with internal and external suppliers. (SOW generation, experience with RTX Operations/Supply Chain processes. * Relevant manufacturing experience (electronics, metal fab, 3D printing, etc) * Knowledge in design for low cost, manufacturability and small volume packaging * Experience with geometric dimensioning and tolerancing (GD&T) * Familiarity with bid, proposal and earned value methods ## Description Collins Aerospace's Resilient Connectivity Products (RCP) hardware team is seeking a determined and passionate Senior Mechanical Engineer with emphasis in design and development of electronics hardware to support our Trusted Mission Processing and Open Systems Solutions programs in Mckinney, Tx. This mechanical engineer will serve as part of a cross functional team, focused on design and development of next-generation Mission Systems for military applications, using Open Systems Architecture and to improve time to market and reduce cost and up front development., * You will apply mechanical engineering principles and techniques to develop packaging solutions for complex applications requiring ruggedized electronics. * You will analyze requirements, propose and refine technical solutions, design, analyze, and test electronics chassis and circuit card assemblies and modular systems to meet rigorous airborne military environments. * You will collaborate across disciplines to ensure performance requirements are met throughout the product lifecycle, including integration, testing, qualification, production, and sustainment * You will address obsolescence and supplier driven changes, oversee supplier verification activities, evaluate non conformances, implement design/cost saving improvements. What You Will Learn * Broaden your knowledge about tactical airborne processing systems and other various engineering disciplines * Gain depth in manufacturing of ruggedized electronics, including flex circuits, PWBs, CCAs, castings, brazing, 3D printing, metal fabrication, coatings, and finishes. * Design for Manufacturing (DFM) principles through close working experience with complex electronics assemblies. * Learn and take advantage of opportunities to excel professionally with RTX's exceptional employee scholar programs and continuing education * Build experience that has enabled past engineers in this role to advance into IPTLs, Analysts, Systems Engineers, Chief Engineers, Section Managers, Department Managers, and Directors across RTX.