# Senior Design Engineer Advanced 3D Modeler at Raytheon in… > Senior Design Engineer Advanced 3D Modeler at Raytheon in Tewksbury, Massachusetts, United States. Category: Engineering Jobs. View full job details and… Senior Design Engineer Advanced 3D Modeler # Senior Design Engineer Advanced 3D Modeler Raytheon ## Job Description Date Posted: Country: Location: Position Role Type: U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance Type: Security Clearance Status: At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings 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. We deliver solutions that help our nation and allies defend freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. The Raytheon Hardware Engineering Organization leads the mechanical, electrical and test hardware design, development and production of radar, sonar, missile, and combat system equipment. The Mechanical team uses state-of-the-art tools, processes, technology, and Raytheon's CORE principles. Mechanical capabilities encompass a broad range of technical disciplines which include engineering, manufacturing, technical services, materials, processes, analysis, test, and documentation. The Radar Mechanical Design Department leads mechanical design, development, and integration of some of the most innovative land-based and shipboard radars in the world. This includes phased array radar systems, electronic modules, pedestals, and power and cooling systems. The department comprises individuals with technical expertise and experience in hardware design, integration, and production support. We have an opportunity for an experienced Senior Design Engineer, with a focus of advanced 3D modeling, to support our radar development programs. You will conceptualize, design, integrate, and document mechanical-focused hardware using computer-aided design, mechanical analyses, and consistent coordination and communication across teams to ensure successful hardware performance. This role will be based in Marlborough, MA or Tewksbury, MA and is an on-site role. What You Will Do - Work with engineers across the business to propose, design, develop, integrate, and document detailed designs of large assemblies and sub-assemblies within the mechanical design department using CREO. - Communicate with engineering team members and suppliers to design, model, and document the design technical data package (TDP) and its capabilities and compliance with configuration and drafting requirements. - Support development, evaluation, and analysis of mechanical designs. - Drawing generation, drawing release, and drawing change incorporation - Holding design reviews and resolving action items - Overseeing reworks and/or modification procedures - Supporting the production floor on a regular basis, collecting issues, providing status and participating in problem resolution. - Utilize CREO CAD tool for modeling and documentation creation. - Large Assembly Management and BOM Management Qualifications You Must Have - Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience or an advanced degree in a related field and minimum 3 years' experience. - Experience with Computer Aided Design (CAD) tools, CREO with advanced modeling and drawing experience. - Experience with any Geometric Dimensioning and Tolerancing (GD&T), tolerance analyses, drawing practices and interpretation (ASME Y-14.5) for mechanical hardware. Qualifications We Prefer - Experience in CREO Parametric, CREO View and Model Based Definition (MBD). - Experience in PDM/Windchill. - Experience in multiple CAD Design Tools - SolidWorks/CREO/AutoCAD/CATIA. - Solid understanding of configuration management practices. - Experience military/aerospace specifications and/or industry design standards. - High technical aptitude and attention to detail. - Excellent communications and interpersonal skills when working with team members. What We Offer - Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation. - Whether you're just starting out on your career journey or are an experienced professional, we offer a robust total rewards package with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care. - Relocation assistance available! Learn More & Apply Now! - 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. - This position requires 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: LI-TR1 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. 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 Posted October 2, 2026 ## Related Jobs Project Civil Engineer C.T. Male Associates Engineer Software Safety Engineer II Raytheon Engineer Field Service Technician (Entry Level) - Charleston, SC Procter & Gamble Full Time Maintenance Technician Diedre Moire Corp. 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