Senior Mechanical Design Engineer

Job ID: 01876594Posted: Posted TodayStart Date: 2026-09-21Location: US-TX-MCKINNEY-513WC ~ 2501 W University Dr ~ WING C BLDGCountry: United States of AmericaTime Type: Full timeDate Posted:2026-09-21 Country:United States of America Location:US-TX-MCKINNEY-513WC ~ 2501 W University Dr ~ WING C 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 1At 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 Sensor RF Design Department is seeking an established Mechanical Engineer to fill an On-Site position in our McKinney, TX location.  We are looking for self-starting candidates to perform mechanical design and documentation of electro-mechanical assemblies, coordinate with multi-functional design groups, and support our manufacturing facility in McKinney, TX.   What You Will Do: Follow established procedures and instructions while working closely with program and functional leadership to ensure the overall design and production goals are met. Have proficient experience with PTC Creo Parametric software or other Solid Modeling tools. Have a strong knowledge of Geometric Dimensioning and Tolerancing (GD&T) principles and their application for design documentation and fabrication. Work within a multi-disciplined team of engineers with responsibilities ranging aperture hardware design, housing design, electronics equipment packaging, circuit card assemblies, interconnects, and thermal management.  Frequent interaction with the Integrated Program Team Lead (IPTL), Supply Chain, and other external personnel. Travel related to external suppliers and other Raytheon facilities typically does not exceed 10%.Qualifications You Must Have: Bachelor’s degree in Mechanical, Aerospace, or Equivalent Engineering from an ABET accredited university and a minimum of 5 years of prior relevant experience, or an Advanced Degree in a related field and minimum 3 years’ experience to include the following: Experience with PTC CREO Parametric or other mechanical CAD design tools both for 3D modeling and 2D/3D drawing creation. Experience with utilizing Geometric Dimensioning and Tolerancing principles. 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: Knowledge of electromechanical assemblies and the interrelationship of the components therein. Knowledge of aerostructure and fastener design. Knowledge of materials and fabrication methods. Knowledge of statistical concepts and how to apply them to development and production processes. Knowledge of engineering and scientific methods and tools to characterize behavior of products and processes. Knowledge of reading and creating mechanical fabrication and assembly drawings. Production support including the use of basic measurement tools. Ability to draft communications, create and deliver presentations. Able to work independently and as a team member. Experience in the support of design and integration of mechanical products and assemblies. Strong interpersonal and communication skills. Knowledge of coordinating Mechanical design with Electronic design. Ability to travel between North Texas sites and nationwide suppliers. Analytical and problem-solving skills. Ability to work in a multi-disciplined integrated product team. Familiarity with active electronically scanned antenna (AESA) design, test, and integration. 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. This position offers relocation based on candidate eligibility. Learn More & Apply Now! This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: 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