Sr. Engineer, Mechanical Design Engineering (Onsite)

Job ID: 01878226Posted: Posted TodayStart Date: 2026-10-15Location: US-CT-MIDDLETOWN-130 ~ Aircraft Rd ~ BLDG 130Country: United States of AmericaTime Type: Full timeDate Posted:2026-10-15 Country:United States of America Location:US-CT-MIDDLETOWN-130 ~ Aircraft Rd ~ BLDG 130 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements:U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract. Security Clearance Type: None/Not Required Security Clearance Status: Not RequiredAt 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. 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.What You Will DoThe F135 Fan design team is seeking an experienced Mechanical Design Engineering professional to support critical engineering tasks across the design cycle. This role involves collaboration with multidisciplinary teams to enhance product performance, optimize design processes, and ensure customer satisfaction.Provide design support across all phases of the design cycle, including preliminary design, detailed design, validation, manufacturing, and operational service.Work on the design of components within the fan module, such as cases, frames, IBRs (Integrally Bladed Rotors), bypass ducts, and kinematics.Support the installed F135 fleet by optimizing components and enhancing commonality to meet current and future business and customer needs.Expand repairability and maintainability for military customers and MRO facilities, while supporting test and verification of field issues.Develop and implement common procedures and standard work to improve efficiency and quality across the organization.Create and review layouts of components, calculate stack-up of detail components, and perform cost studies to ensure objectives and budgets are met.Resolve design problems of difficult-to-complex scope to ensure project completion while maintaining clarity, accuracy, and adherence to standards.Collaborate with engineering personnel to coordinate interrelated designs and ensure project completion.Provide technical leadership on Integrated Product Teams (IPTs) and assist in training less experienced engineers to build capabilities.Qualifications You Must HaveBachelor’s degree in Mechanical or Aerospace Engineering with 5+ years of Mechanical Design Engineering experience, ORAdvanced degree with 3+ years of experience Experience with hardware, reading blueprints, and manufacturing methods.The ability to obtain and maintain a U.S. government issued security clearance is required.U.S. citizenship is required, asonly U.S. citizens are eligible for a security clearance.Qualifications We PreferMaster’s degree in Mechanical or Aerospace Engineering.Experience with engineering standard work and the Class I and II Engineering Change process.Experience using fault tree investigation tools.Proficiency in Finite Element Analysis (FEA) and/or classical methods of analysis.Proficiency in Teamcenter and NX software.Active U.S. government security clearance.What We OfferRelocation EligibilityLearn More & Apply Now!Compression Systems Engineering (CSE)Compression Systems Engineering is responsible for the design, development, and in service support of all fans low-pressure and high-pressure compressors for commercial and military engine models. CSE is responsible for the identification and maturation of new technologies for these products.Technical disciplines in CSE include Project Engineering, Mechanical Design, Structural Analysis, and Product Definition.Please ensure the role type (defined below) is appropriate for your needs before applying to this role.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 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 86,800 USD - 165,200 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