Principal Propeller Hydromechanical Design Engineer (Onsite)

Collins Aerospace; Windsor Locks (CT); On-site; USD 108,000 - 205,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Three weeks of vacation

401(k) plan with employer matching

Job summary

Collins Aerospace in Windsor Locks, CT is seeking an experienced Hydromechanical Design Engineer to support both in-service propeller products and new development. You will work across concept, design, verification, validation, and field support for military and commercial platforms.

The role requires strong hydromechanical design expertise, CAD proficiency, and the ability to lead teams. You will interact with suppliers and customers, travel up to 10%, and contribute to safe, reliable, and

Qualifications

• Typically requires a STEM degree with 8+ years experience or an advanced degree with 5+ years of experience.
• Experience with hydraulic mechanical system design, analysis, and verification.
• Experience designing mechanical assemblies with standard parts (seals, screws, bearings, plugs and pins).
• Ability to present to customers, operators, and leadership internally & externally.
• Experience with CAD software.
• Capable to lead technical teams.
• Familiarity with ANSI Y14.5M-1982 (drawing interpretation).
• Experience in Microsoft Office programs (Word, Excel, PowerPoint, Outlook).
• Strong oral and written communication skills.

Responsibilities

• Perform design activities across all phases of the design cycle from concept to manufacturing and field support.
• Design mechanical components with manufacturability, reliability, and maintainability in mind.
• Provide technical leadership for medium to large projects.
• Engage with suppliers for sizing and selection of components (pumps, valves, EHSV and motors).
• Disposition of production non-conforming material coordinating with other disciplines.
• Interact with internal and external customers, vendors and suppliers.
• Participate in engineering teams and reviews.
• Cross-train peers and contribute to problem-solving.
• Domestic and international travel may be required (<10%).

Skills

Hydromechanical design

Technical leadership

Communication skills

Vendor engagement

Education

STEM degree

Tools

Siemens NX (Unigraphics)

Job description

Location: US-CT-WINDSOR LOCKS-B1A ~ 1 Hamilton Rd ~ BLDG 1A

Date Posted: 2026-09-09

Country: United States of America

Location: US-CT-WINDSOR LOCKS-B1A ~ 1 Hamilton Rd ~ BLDG 1A

Position Role Type: Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are considered U.S. persons. For a complete definition of “U.S. Person” go here: https://www.ecfr.gov/current/title-22/chapter-I/subchapter-M/part-120/subpart-C/section-120.62

Security Clearance Type: None/Not Required

Security Clearance Status: Not Required

The Propeller Systems Engineering organization is seeking an experienced Hydromechanical Design Engineer to support both in-service propeller products and new product development. This role spans across concept, design, verification and validation, and field support activities across military and commercial platforms. The position involves collaboration within propellers engineering, manufacturing, and program office as well as occasional interactions with U.S. military customers, operators, maintainers, airframe manufacturers, and engine manufacturers.

The ideal candidate brings strong hydromechanical components and systems design, analysis, and test expertise with hydraulic valves, actuators, flyweight governors, EHSV’s, solenoids, and other typical hydraulic system components (seals, orifices, pin plugs, hydraulic housings, etc.).

This is an onsite position in Windsor Locks, CT.

The Propeller System’s engineering organization in Windsor Locks is a small organization in comparison to many other product lines providing excellent opportunities for motivated engineers to work across multiple specialties supporting the full lifecycle of a product. In this role the hydromechanical design engineer will directly influence the product design, safety, reliability, and performance of propeller systems used across global military and commercial fleets.

What You Will Do

• Perform design activities across all phases of the design cycle, concept & optimization, preliminary through detailed design, development, validation, certification, manufacturing, and operational service
• Design mechanical components and assemblies with an emphasis on manufacturability, reliability, and maintainability
• Provide technical leadership for medium to large projects.
• Engage with suppliers for sizing and selection of supplier design components (pumps, valves, EHSV and motors)
• Disposition of production non-conforming material including coordination with other disciplines as needed (materials engineering, systems engineering, etc.)
• Interact with internal customers, external customers, vendors and suppliers
• Participate in internal and external product design engineering teams and reviews
• Support a collaborative engineering environment by cross-training fellow engineers, participating in peer reviews, and contributing to team problem-solving
• Domestic and international travel may be required to support suppliers and customers (less than 10%)

Must Have Qualifications

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience
• Experience with hydraulic mechanical system design, analysis, and verification
• Experience with designing mechanical assemblies with standard parts (seals, screws, bearings, plugs and pin)
• Ability to present to customers, operators, and all levels of leadership internally & externally
• Experience with CAD software
• Capable to lead technical teams
• Familiarity with ANSI Y14.5M-1982 (drawing interpretation)
• Experience in the use of typical Microsoft Office programs such as: Word, Excel, PowerPoint, Outlook, and Explorer
• Strong oral and written communication skills

Preferred Qualifications

• Mechanical Engineering degree
• Familiarity with FAA requirements
• Experience with Siemens NX (Unigraphics)
• Hydraulic system analyses (lapped fit leakage, orifice flow, system pressure drop analyses, design for valve/system stability)
• Design analyses (structural hand calculations, FEA, thermal analysis, tolerance stack-up, etc.)
• Aerospace experience
• Engineering and RRCA (relentless root cause analysis) investigations
• Full life cycle engineering experience
• Experience with DO160 design and verification testing

What We Offer

Some of our competitive benefits package includes:

• Medical, dental, and vision insurance
• Three weeks of vacation for newly hired employees
• Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
• Tuition reimbursement program
• Student Loan Repayment Program
• Life insurance and disability coverage
• Optional coverages you can buy: pet insurance, home and auto insurance, additional life and accident insurance,critical illnessinsurance, group legal, ID theft protection
• Birth, adoption, parental leave benefits
• Ovia Health, fertility, and family planning
• Adoption Assistance
• Autism Benefit
• Employee Assistance Plan, including up to 10 free counseling sessions
• Healthy You Incentives, wellness rewards program
• Doctor on Demand, virtual doctor visits
• Bright Horizons, child and elder care services
• Teladoc Medical Experts, second opinion program
• And more!

WE ARE REDEFINING AEROSPACE

Our Advanced Structures team leverages advanced materials and additive manufacturing to develop complex interior and exterior solutions. These solutions ensure structural integrity of the aircraft, help aircraft take off and land, stay trim in the air, move forward, carry cargo and conduct rescues. We delight our customers with superior products and best-in-class service. Our global team is committed to continuous improvement – we work hard to make our solutions lighter-weight, stronger and more technically advanced, so that plane travel can be safer, more affordable and more sustainable in the years to come. We are looking for the best and brightest to fly and land with us!

• Please consider the following role type definitions as you apply for this role.

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.

Regardless of your role type, collaboration and innovation are critical to our business and all employees will have access to digital tools so they can work with colleagues around the world – and access to Collins sites when their work requires in-person meetings.

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other – propel us all higher, again and again.

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.

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