Senior Mechanical Engineer (Onsite)

Date Posted: 2026-10-22 Country: United States of America Location: US-TX-MCKINNEY-513WB ~ 2501 W University Dr ~ WING B 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 Raytheon Company, Managed by Collins Aerospace Collins Aerospace’s Resilient Connectivity Products (RCP) hardware team is seeking a determined and passionate Senior Mechanical Engineer with emphasis in manufacturing of electronics hardware to support our F16 Modular Mission Computer (MMC) programs in Mckinney, Tx. This engineer will serve as part of a cross functional team, primarily focused on production and depot sustainment for the F16 MMC. This program provides a critical capability to our domestic and international allied warfighters - and this engineer will play a key role in supporting their readiness through commitment to technical excellence, and production execution. Successful candidates should expect to be immersed in a fast-paced, team-based, and challenging technical environment where an engineer with talent and initiative can stand out and thrive. To view more on Mission Systems, click here: While the immediate focus is on an established production program, the RCP hardware team also develops next‑generation Mission Systems. This role will have opportunities to contribute to new hardware design efforts, including obsolescence‑driven redesigns and technology refresh initiatives. What You Will Do You will apply mechanical engineering principles and techniques to resolve production issues and maintain the qualified technical baseline for the F-16 MMC Act as an ME interface to Operations and Supply Chain, and both internal and external factory organizations Apply cost and schedule management methods to projects Contribute to continuous improvement efforts Drive Root Cause Corrective Action efforts to maintain production readiness Perform mechanical analyses and validate design changes through review, integration, and test support – leveraging subject matter experts as needed. You will collaborate across disciplines to ensure requirements are 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, 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 lead ME, IPTLs, Analysts, Systems Engineers, Chief Engineers, Section Managers, Department Managers, and Directors across RTX. Qualifications You Must Have Experience with electronic product packaging (Circuit Card Assemblies, Printed Wiring Boards, electronics chassis, etc) 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. 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 Qualifications We Prefer Experience interfacing with internal and external suppliers. (SOW generation, experience with RTX Operations/Supply Chain processes. Proven experience with machined and sheet metal manufacturing methodologies 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 Experience with Finite Element Analysis (FEA) and/or Computational Fluid Dynamics (CFD) and associated analysis methodologies Design experience What We Offer: 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, 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! Learn More & Apply Now! Engineering & Technology: Collins Aerospace makes modern flight possible. Of course, that wouldn’t be possible without the capabilities and technologies of our organization, as well as our engineers – a highly skilled, accomplished network that spans more than 180 sites, 24 countries and 6 Strategic Business Units (SBUs). Our industry-leading experts are setting the standards for the aerospace industry and paving the way for the future. But as new challenges present themselves, we need fresh, creative and motivated minds to overcome these hurdles, help us break barriers and achieve new levels of innovation. Do you have what it takes to join a global organization that doesn’t shy away from big opportunities? If so, we invite you to join our ranks and create the next generation of aerospace technologies. Together, we will nurture an engineering culture that values intellectual curiosity, risk takers and integrity. A place where we will challenge ourselves, our teams, and the status quo and where we will work to find a way – the right way – to achieve what others can only dream of. * Please consider the following role type definitions 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 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 86,800 USD - 165,200 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