Bike Shop Principal Mechanical Engineer

Date Posted: 2026-06-11 Country: United States of America Location: US-AZ-TUCSON-914 ~ 6880 S Tucson Blvd ~ BIKE SHOP 914 Position Role Type: Onsite U.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: Secret Security Clearance Status: Active and existing security clearance required on day 1 At 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 Bike Shop Department is seeking a Principal Mechanical Engineer to join our team. The Mission of the Bike Shop Department is to provide rapid, innovative, and affordable engineering solutions and prototype fabrication that demonstrate new technologies and capabilities, from concept through flight demonstration. We also provide quick-turn innovation, design, fabrication, assembly, and test capabilities in support of existing and future program engineering needs. We are looking for candidates willing to work independently and collaborate with our engineers and fabricators to develop mechanical components and systems in a dynamic, vertically integrated environment. Projects can range from a quick proof of concept to flight hardware. The Principal Mechanical Engineer needs to be a motivated self-starter that is responsible for the design, documentation, coordination of fabrication, integration, and test of components and systems of varying complexity. The candidate must be experienced in all aspects of the engineering development process up to and including testing/verification. This position will function as part of multi-disciplined design teams across multiple projects. This person will be the Responsible Engineering Authority (REA) or Integrated Product Team Lead (IPTL) for development of one or more complex mechanical systems and will be expected to mentor and guide less experienced team members. This position will interface with REAs, IPTLs, and other stake holders within the functional and program organizations in a fast-paced, team-based, and technical environment. What You Will Do Involvement with product lifecycle from concept development to test Working in a vertically integrated environment of many disciplines Rapid reaction prototyping Hands on involvement with hardware Mentoring of junior engineers Leading and managing projects of varying scope and duration Delegate and assign tasks to engineering team members based on project priorities, individual skill sets, and workload capacity, ensuring efficient and effective completion of objectives Qualifications You Must Have Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM) and minimum of 8 years of prior relevant experience in mechanical engineering experience developing mechanical components and mechanical systems Experience with Pro/E, CREO, or other CAD software (such as SolidWorks, NX, Fusion360, etc.) Experience with Windchill or other Product Data Management (PDM) systems (such as Siemens Teamcenter, SolidWorks PDM, Autodesk Vault, etc.) Experience taking a design from concept, through design, fabrication, and testing Qualifications We Prefer Masters or Ph.D. degree in STEM Prior work experience in a technical mentoring or program management role, including managing schedule and resourced milestones Experience with ANSYS or other Computer Aided Engineering (CAE) software (such as COMSOL, ABAQUS, Nastran, etc.) Experience with MATLAB Experience interpreting and implementing Geometric Dimensioning and Tolerancing (GD&T) Experience with design for manufacture or producibility, traditional fabrication equipment (mills, lathes, sheet metal, welding, etc.), and 3D printing Cross-discipline engineering knowledge and experience Experience with detailed design to verification, via integration and test Experience with intellectual property creation (patents & publications) Experience working around energetic materials and/or components Experience overseeing a program transition from development to production Working knowledge of Earned Value Management System (EVMS) Ability to develop and manage cost/schedule/technical plans including management of risk and opportunities 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. 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 107,500 USD - 204,500 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 RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.