Principal Mechanical Engineer Jobs in Connecticut

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Principal Mechanical Engineer, Seal Design and Analysis (P4) - Onsite

RTX Corporation

East Hartford, Connecticut, USA

Full-time

Date Posted: 2025-06-25 Country: United States of America Location: PW100: East Hartford 400 Main Street, East Hartford, CT, 06118 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: DoD Clearance: Secret Pratt & Whitney is working to once again transform the future of flight-designing, building and servicing engines unlike any the world has ever seen. And because transformation begins from within, we're seeking the people to drive

Principal Engineer - Mechanical Engineering (Hybrid)

RTX Corporation

Remote or Windsor, Connecticut, USA

Full-time

Date Posted: 2025-07-16 Country: United States of America Location: 02: Building 02 Windsor Locks One Hamilton Road, Windsor Locks, CT, 06096 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Looking to make an impact in engineering? Join our Hydro-Mechanical, Actuation & Pneumatic Valve Design Group as a Mechanical Design Engineer. You'll play a key role in developing innovative solutions for critical component

Principal Mechanical Project Engineer - Hybrid

Johnson Controls, Inc.

Remote or York, Pennsylvania, USA

Full-time

Hybrid work opportunity - Consideration given to applicants within a commutable distance from York, PA. or must be willing to relocate. Build your best future with the Johnson Controls team! Who We Are: As a global leader in smart, healthy and sustainable buildings, our mission is to reimagine the performance of buildings to serve people, places and the planet. Join a winning team that enables you to build your best future! Our teams are uniquely positioned to support a multitude of industries

Principal Mechanical Design Engineer (P4) - Onsite

RTX Corporation

East Hartford, Connecticut, USA

Full-time

Date Posted: 2025-05-30 Country: United States of America Location: PW100: East Hartford 400 Main Street, East Hartford, CT, 06118 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.Security Clearance: DoD Clearance: Secret Pratt & Whitney is working to once again transform the future of flight-designing, building and servicing engines unlike any the world has

Principal Mechanical Systems Engineer (Onsite)

RTX Corporation

Windsor, Connecticut, USA

Full-time

Date Posted: 2025-06-09 Country: United States of America Location: 01: Building 01 Windsor Locks One Hamilton Road, Windsor Locks, CT, 06096 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required We are seeking a Principal Mechanical Systems Engineer to join our team in Windsor Locks, CT. In this role, you will design innovative hydro-mechanical and pneumatic control systems, define system components using physics-b

Senior Principal Engineer, Electro-mechanical Controls (Onsite)

RTX Corporation

Windsor, Connecticut, USA

Full-time

Date Posted: 2025-06-19 Country: United States of America Location: 01: Building 01 Windsor Locks One Hamilton Road, Windsor Locks, CT, 06096 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.Security Clearance: DoD Clearance: Secret Collins Aerospace's Power & Controls team is looking for a Senior Principal Engineer to play a pivotal role in advancing our Ele

Staff Mechanical Engineer R&D

Johnson & Johnson

Remote or Santa Clara, California, USA

Part-time

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn m

Lead Mechanical Engineer 1 - Nuclear

Sargent & Lundy LLC.

Remote

Full-time

Description You will be involved in nuclear power plant systems design, including preparation or review of: Modification packages for operating nuclear power plantsFunctional mechanical drawings and/or drawings for nuclear power plant systemsEngineering analyses and evaluations to support modifications and operation of plant systemsTechnical specifications and procurement documents for plant equipmentVendor bid evaluations for plant equipmentStudies and options evaluations for modifications to

Lead Mechanical Engineer 2 - Government Services

Sargent & Lundy LLC.

Remote

Full-time

Description This is a remote position with the expectation of frequent travel to a client site near Oak Ridge, Tennessee. This is a mid-level design engineering position that offers a variety of challenging opportunities in Mechanical Engineering and will provide an excellent opportunity for career advancement: Lead Mechanical design engineering efforts on a multi-disciplined project design team and apply mechanical engineering expertise to the design and analysis of special purpose equipment,

Lead Mechanical Engineer 2 - Government Services

Sargent & Lundy LLC.

Remote or Oak Ridge, Tennessee, USA

Full-time

Description This is a remote position with the expectation of frequent travel to a client site near Oak Ridge, Tennessee. This is a mid-level design engineering position that offers a variety of challenging opportunities in Mechanical Engineering and will provide an excellent opportunity for career advancement: Lead Mechanical design engineering efforts on a multi-disciplined project design team and apply mechanical engineering expertise to the design and analysis of special purpose equipment,

Lead Mechanical Engineer 1 (Power Uprates) - Nuclear

Sargent & Lundy LLC.

Remote

Full-time

Description Our electric power generation clients are seeking to increase the power output of their existing power plants to meet the electric demands. This is expanding work in the nuclear industry. You will work on major systems, equipment and plant process in the following areas: Perform consulting level work for power uprates in the nuclear industry.Interface with clients and project teams to present technical discussions and project status.Develop engineering proposals and cost estimates.M

Staff Mechanical Engineer - R&D Robotics

Johnson & Johnson

Remote or Santa Clara, California, USA

Full-time

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn m

Lead Mechanical Engineer

Kimberly-Clark

New Milford, Connecticut, USA

Full-time

Lead Mechanical Engineer Job Description As a person, you're a learner - a natural leader - someone who is always taking initiative to make things better and bring others along with you. You live your life in alignment with the highest values of integrity and quality, always ensuring your responsibilities become a long-term success story. In this role, you'll help us deliver better care for billions of people around the world. It starts with YOU. In this role, you will: Lead single or multiple

Lead generator mechanical engineer

GE Vernova

Remote

Full-time

Job Description Summary The Lead Generator Mechanical Engineer will be responsible for the design of hydro generator mechanical components for installed based projects. He/she will also be responsible to provide technical support for supply chain and site activities related to hydro generators. Job Description About Us: We are a purpose-built company leading a new era of energy - electrifying the world while simultaneously working to help decarbonize it! Our culture is built on inclusivity, d