Senior Principal Transmissions Engineer (Onsite)

Date Posted: 2026-05-26 Country: United States of America Location: US-CT-EAST HARTFORD-ETC ~ 400 Main St ~ BLDG ETC 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 Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1 At RTX, the world 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. Pratt & Whitney is a world leader in the design, manufacture and service of aircraft engines and auxiliary power systems and has been revolutionizing modern flight for over 100 years. Join us and help shape the future of aerospace and defense. Pratt & Whitney is looking for a visionary Senior Principal Transmissions Engineer to join our elite Mechanical Systems, Externals, and Nacelles (MSEN) Engineering Transmissions team. In this high-impact role, you will be the driving force behind the design, analysis, and integration of cutting-edge mechanical systems hardware for the world’s most advanced commercial and military engine programs. Your success will rely as much on your professionalism as it does on your engineering expertise. We are looking for a mature leader who thrives in a collaborative environment, excels at cross-functional teamwork, and possesses the refined interpersonal skills necessary to mentor the next generation of engineering talent, build cohesive team dynamics, and serve as a trusted, diplomatic voice to executive leadership and global customers. If you are ready to push the boundaries of aerospace engineering and leave a lasting legacy on the future of flight, your next chapter starts here. What You Will Do: Technical Leadership & Presentation: Lead multidisciplinary teams to tackle MSEN transmissions' top technical issues and seamlessly integrate gearbox designs, presenting key results to customers and executive leadership. Gear Design & Analysis: Perform comprehensive design and analysis on aerospace hardware across varied gear types (spur, helical, bevel, and spiral bevel) using automated tools, FEA, and precise hand calculations. Root Cause Investigation (RRCA): Spearhead transmission's root cause investigation teams—directing work, assigning/closing action items, and delivering findings to engineering leadership. Mentorship & Peer Review: Review team members' work and provide hands-on guidance to less experienced engineers with a specific focus on accelerating proficiency. Supplier Requirement Integration: Actively manage, align, and integrate the complex technical requirements of external suppliers holding design ownership. Full-Lifecycle Testing: Lead entire test programs, including rig development, test plan creation, instrumentation/limit selection, pre-test predictions, data post-processing, and reporting. Continuous Improvement & Manufacturing: Advance gear manufacturing readiness (hobbing, shaping, broaching, milling, heat treating, superfinishing) while improving ESW/EKS, analytical tools, and training materials. Travel Requirement: 10% (Domestic and International). What You Will Learn: Gain hands-on exposure to proprietary, next-generation propulsion technologies that are reshaping military aviation and sustainable commercial flight. Hone your ability to influence and collaborate directly with Pratt & Whitney program executives and global aerospace customers. Master and pioneer state-of-the-art analytical tools and digital thread integrations unique to Pratt & Whitney’s world-renowned engineering ecosystem. Qualifications You Must Have: A Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related field with 10 years of gear design and analysis experience, or an Advanced degree in a related field with 7 years of gear design and analysis experience. At least 3 years of direct experience working with complex Mechanical Systems hardware with proven expertise in industry-standard tools for gear design and manufacturing. Qualifications We Prefer: Master’s degree in Mechanical Engineering, Aerospace Engineering, or actively pursuing an Advanced degree in a related field. An active U.S. Security Clearance. Exceptional communication, task coordination, and cross-functional leadership skills. Proficiency in Gleason Works software and Siemens NX. What We Offer: Relocation: Eligible for Relocation. Work Location: This position is work onsite at our East Hartford, CT campus (preferred location) or our West Palm Beach, FL campus. Learn More & Apply Now! Department/Segment Overview: Mechanical Systems, Externals, and Nacelles Engineering (MSEN): MSEN is responsible for the design, development and in service support of power transmission systems, bearing compartment and rotor support design and analysis, oil and thermal management systems, engine externals packaging and architecture, as well as nacelles for commercial and military engine models. Technical disciplines include Project Engineering, Mechanical Design, Structural Analysis, Product Definition, System Modeling, Mechanical Design analysis for bearings gears and seals, and fluid-thermal modeling of associated components and systems. Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as: Onsite: 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. Candidates will learn more about the role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility. 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 132,400 USD - 251,600 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.