**Date Posted:** 2025-08-20 **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 ADGE department is looking for a full-time Principal Engineer, located in Tewksbury, MA This is an onsite role Responsibilities to anticipate: Perform mechanical design, development, and documentation of components, sub-assemblies, and major end items for defense system equipment in accordance with system requirements Mechanical design, development, and documentation of cables, harnesses, and connectors to meet defense system requirements Lead small to mid-sized cross functional teams as a technical lead through all phases of development from proposal generation, program start up, requirements allocation, EACs, EV, preliminary and detailed design development, and production Hands-on lead and mentor to the engineering team as a technical expert within the integrated product team environment Collaborate with other engineering disciplines, non-technical disciplines, and suppliers to develop robust design solutions and resolve technical challenges Work with limited supervision and meet technical, schedule, and monetary commitments Participate in design peer reviews and conduct trade studies to promote sound technical decisions Apply knowledge and experience in technical problem solving and hardware development in an engaged team environment Engage in personal technical growth and facilitate technical growth in peers and junior engineers. Take an active role in understanding what opportunities are needed to mature the organization on the technical front Drawing generation, drawing release, and drawing change incorporation Working with manufacturing and suppliers to evaluate technical change requests Basic Qualifications: Typically requires a BS in mechanical engineering with eight (8)+ years of experience in a Mechanical Engineering role with minimum three (3) years designing and developing cables and harnesses (preferably for use in Military environments) Strong knowledge of MIL-Spec Fiber Optic and Radio Frequency cables, assemblies, and connectors Experience designing cables, harnesses and connectors for defense or commercial systems Proven track record to successfully lead teams to successfully complete design and release of documentation within schedule and budget Experienced in EVMS, iStatus and EACs to track program performance Experience developing program proposal Experience with Proposal/bidding process including SBT inputs The ability to obtain and maintain a US government issued security clearance is required. U.S. citizenship is required as only U.S. citizens are eligible for a security clearance. Preferred Qualifications: Master of Science in Mechanical Engineering Military cable and electromechanical system design/troubleshooting experience ASME Y14.5 GD&T (Geometric Dimensioning and Tolerancing) experience Strong CAD design experience (CREO, AutoCAD preferred) Experience with CREO for creating Cable models and drawings Experience with PDM/Windchill or similar product data management tool Experience with manufacturing systems and processes Reliability or failure analysis experience Proven ability to multitask on high visible programs Aptitude to work collaboratively in a matrix cross-functional environment Demonstrated team player and self-driven leader with excellent collaboration skills 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 Existing secret clearance RTX Corporation 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 Systems, Pratt & Whitney, and Raytheon. Its 185,000 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, VA. 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 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. The salary range for this role is 101,000 USD - 203,000 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.