**Date Posted:** 2025-08-11 **Country:** United States of America **Location:** MA131: Tewksbury, MA Bldg 1 Assabet 50 Apple Hill Drive Assabet - Building 1, Tewksbury, MA, 01876 USA **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:** DoD Clearance: Secret **The Air Defense Ground Equipment Mechanical Design Department leads the mechanical design, development and integration of platform systems. This includes radar and communications shelter systems, electronic sub-systems, launchers, hardware integration, and interconnects.** **The department is seeking a motivated and driven Sr. Principal Mechanical Engineer for the Department Technical Staff, with technical expertise and experience in mechanical hardware design, integration, program execution and production support. The Technical Staff Sr. Principal Mechanical Engineer is responsible for:** **Lead the execution of major programs executed by the department that encompass shelter mechanical design, electronic equipment integration, major end item development, enclosure vendor support, power and cooling equipment integration, and sustainment of the existing product line. Support and lead multi-disciplined engineering teams and provide solutions and services across all program phases. Areas of focus can encompass development of next generation of sensing technologies, design development for the existing products, transition to production, product support, vendor oversight, and field upgrades. Support and leadership of proposal and EAC activities Perform as a Subject Matter Expert (SME) on multiple programs to provide critical and timely support as needed.** **Responsibilities will include, but are not limited to:** **Perform as a technical liaison to the programs and IPTs concerning staffing assignments, forecasting, and resource allocation.** **Oversee technical performance of the design team. Provide technical guidance and project support throughout the product life cycle. Support and oversee Technical Data Package Development and peer reviews.** **Lead and support Hardware Engineering organization initiatives to improve productivity and efficiency.** **Oversee mid to large sized cross functional engineering teams as a technical execution lead through all phases of development from proposal generation, program start up, requirements allocation, preliminary design, detailed development, and first article production.** **Perform complex mechanical design, development, and documentation of components, sub-assemblies, and major end items for defense system equipment in accordance with system requirements.** **Support the factory and suppliers with product integration domestically and internationally.** **Interface with other engineering disciplines, non-technical disciplines, and suppliers to develop design solutions and resolve technical challenges to support production milestones.** **Meet commitments for assigned schedule, financial, and technical goals.** **Regular review of program status including tracking and review by both Engineering Leadership and Program Leadership** **Extensive knowledge of hardware engineering capabilities to ensure successful technical execution. Ability to partner with the chief engineer and technical leads is required** **Required Qualifications:** **Eight (10)+ years of experience in a Mechanical Engineering role with minimum 6 (6) years designing and developing mechanical equipment, preferably for use in Military environments.** **Experience leading engineering teams with responsibility for cost, schedule, and technical performance, combined with Engineering project management experience with schedule and budget responsibility** **Proven ability to work collaboratively in an Integrated Product Team environment, interfacing with multiple Engineering disciplines, Operations, Supply Chain, Quality, IPT Leadership, Program Managers, and Customers.** **Previous mechanical design experience including trade studies, concept definition through detailed design and transition to production and production support, including supplier support.** **Execution of Root Cause and Corrective Action Analysis, Cost Reduction Initiatives and generation of engineering white papers** **Broad background in mechanical design, development, material selection, manufacturing processes as well as experience with CAD design tools and associated product data management tools** **Willingness to travel (domestic and international).** **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.** **Desired Qualification:** **Master of Science in Mechanical Engineering.** **Excellent communication, technical writing, presentation, and interpersonal skills.** **Working knowledge of Military and Commercial Specifications.** **Experience in design, fabrication, and integration of electronic assemblies, shelter assemblies, power distribution equipment packaging, and rack systems.** **Knowledge of Agile product development methods.** **Advanced problem-solving skills.** **Proficient with Microsoft Office Suite (Word/Excel/Power Point/Project)** **Experience with current manufacturing systems and processes.** **Reliability or failure analysis experience.** **Able to work well with people and achieve results with a minimum of conflicts and within schedule and budget.** **Previous experience that includes adaptability and willingness to work varying assignments.** **Demonstrated team player, self-driven leader with excellent collaboration skills** **Team leadership; experience leading a multi-disciplined, technical team with the ability to develop, empower, motivate and monitor the team.** **Proven ability to lead technical solutions to complex user requirements.** **Experience with managing engineering budgets with Earned Value Management (EVMS) and Estimate at Complete (EAC) process.** **Experience in leading proposals.** **Experience with Risk & Opportunity Management.** **What We Offer** **:** Whether you’re just starting out on your career journey or are an experienced professional, we offer a robust total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement, and work/life benefits; career development and recognition programs. Some of the superior benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance, and child/adult backup care. + Clearance Information: 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: https://www.state.gov/m/ds/clearances/c10978.htm The salary range for this role is 124,000 USD - 250,000 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 (http://www.rtx.com/privacy/Job-Applicant-Privacy-Notice) to read the Policy and Terms Raytheon Technologies is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.