Mechanical Engineer II – Design

Date Posted:2026-06-08 Country:United States of AmericaLocation:US-AZ-TUCSON-M09 ~ 3350 E Hemisphere Loop ~ BLDG M09Position Role Type:OnsiteU.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​Security Clearance Type: DoD Clearance: SecretSecurity Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start dateWe're growing fast and we want you to grow with us! We're expanding our engineering organization dramatically to meet exciting customer demand, and we're actively looking for engineers who bring strong foundational skills and a passion for solving hard problems. Industry experience in defense? Not required — we'll invest in you. If you meet the minimum qualifications, we want to talk. Apply today and take the next step in your engineering career.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 freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.Raytheon’s Hardware Engineering (HWE) team leads the mechanical hardware design, development and production of critical defense systems. The HWE Team uses state-of-the-art tools, processes, technology, and Raytheon’s CORE principles. HWE’s capabilities encompass a broad range of technical disciplines which include engineering, manufacturing, technical services, materials, processes, analysis, test, and documentation.The ideal Mechanical Engineer II candidate will bring a blend of technical ability, experience in mechanical hardware design, system integration skills, and a strong background in program execution whether design and development or production support. As a key contributor on a mechanical or cross-functional engineering team, you will take responsibility for component and assembly modeling, documentation, design changes, and releases processes.Additionally, you will support mechanical teams throughout all phases of our design cycles, from concept development to design, prototyping,  production support and testing. This position is ideal for an early-career mechanical engineer who is looking to grow their skills in design, manufacturing, and technical problem-solving within a highly collaborative and mission-driven environment.What You Will DoPerform mechanical design, development, and documentation of components, sub-assemblies, for systems and equipment in accordance with system requirements.Support the product production lines and global supply base to investigation and resolve technical challenges and obsolescence throughout the production and sustainment phases of the product life cycle.Interface with other engineering disciplines, non-technical disciplines, and suppliers to develop design solutions and resolve technical challenges.Support and participate in design peer reviews, resolving action items, and conduct trade studies to make sound technical decisions.Support technical data package creation, changes, and/or variances.Utilize mechanical engineering fundamentals, industry specifications, and Raytheon design standards in the development of technical data packages for military products.Qualifications You Must Have  Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 2 years of prior relevant experience or an Advanced Degree in a related field.Experience within 3 of the following 4 areas:Experience utilizing mechanical engineering principles in the design, development, and/or production of mechanical equipment and/or hardware and/or tooling.Experience in the development, creation, release, or updates of engineering drawings utilizing a 3D CAD design tool.Experience in the review and interpretation of technical documentation utilized in the development or production of hardware products.Experience with Dimensioning and Tolerancing analysis.Qualifications We Prefer Excellent technical writing, presentation, and communication skills.Ability to work autonomously with minimal supervision.Proven team player and self-motivated leader with exceptional collaboration and interpersonal skills, fostering positive and productive interactions in a team-focused environmentWorking knowledge of industry specifications utilized in creation of technical data packages. Experience with CREO (Pro/E) or similar 3D solid modeling software.Experience with PTC Windchill Product Data Management or equivalent configuration/data management software.Experience working in a factory supporting development, low-rate as well as full-rate production of missile components and assemblies.Advanced degree in mechanical, aerospace, or manufacturing engineering, or hardware systems design.What We OfferOur 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.Relocation Eligibility: This position is eligible for relocationLearn 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 mainten