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FEED

Perform design and analysis in support of all phases of product life cycle including preliminary design, detailed design, development testing and validation, certification, delivery support, and post engine production & service support. Hardware supported includes the fan drive gear system, accessory gearboxes, compartment bevel gears, lube pumps, and supplier designed components.

RTX Corp

Transmissions Design Engineer I (Onsite)

Department/Segment Overview: Mechanical Systems, Externals, & Nacelles (MSEN): The Mechanical Systems, Externals, and Nacelles Engineering organization 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. Drive cross-functional engineering initiatives by collaborating with suppliers, customers, and internal engineering disciplines to develop innovative sealing solutions, resolve technical challenges, and support new product development and legacy engine programs.

Senior Engineer - Carbon Seal Design & Analysis (Onsite)

Core Manufacturing Engineering in the Operational Excellence organization is hiring a Product Manufacturing Engineer to lead Manufacturing Readiness Level (MRL) elements in support manufacturing readiness for Pratt & Whitney's Legacy Military Engine Programs. They will lead a specific part or part family MRL advancement through the execution of MRL elements such as Process Failure Mode and Effects Analysis (PFMEA), yield & cost curves, and Analysis of Alternatives (AoA) trade tools to identifying and mitigating manufacturing and operational risk.

Product Manufacturing Engineer - Military Engines

In this role, you will support commercial and military engine production by leading structural assessments, resolving technical and quality challenges, improving hardware producibility, and mentoring internal and outsourced engineers to meet delivery and engineering performance targets. Department/Segment Overview: Engineering Support to Operations (ESTO): ESTO provides dedicated support by eliminating quality notifications, escapes, works stops and enabling producibility and delivery of legacy and new parts, assemblies, modules, and engines.

Senior Structures Engineer (Onsite)

Our wide-ranging and comprehensive experience comprises more than 22 GW installed capacity including state-of-the-art combined cycle and simple cycle gas turbine plants, biomass projects, solar facilities, wind farms, biofuel plants, and environmental facilities spanning the continental United States. Ensure mechanical engineering deliverables are completed, on-time, and on-budget while maximizing production efficiencies and output through mechanical design, specification development, equipment installations, troubleshooting, and work to minimize the construction / commissioning cycle.

Gemma Power Systems LLC

Mechanical Engineer

We're a 100% employee-owned firm with 80 years of experience delivering innovative engineering, planning, environmental, technology, and construction solutions that make a lasting impact on the clients and communities we serve. MJ has successfully delivered airport projects for more than 80 years, with many clients returning through multi-year, open-end contracts-a testament to our service and lasting relationships.

YEAR

McFarland Johnson

Resident Engineer - Aviation

Resident Engineer – Aviation

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Lead vendor and contractor sourcing and negotiations, including pricing, payment terms, warranties, delivery commitments, performance guarantees, scope clarifications, and change-order protections, coordinating with Legal and internal stakeholders as appropriate. Operate with a high degree of independence in a flat organizational structure, prioritizing competing needs, making day-to-day project decisions within delegated authority, and escalating material risks or commitments appropriately.

Kraft Group LLC

Project Engineer

As a Senior Marine Engineer, you will work in our Arlington, VA office and will join our experienced technical staff and apply your marine engineering expertise to lead projects and prepare/review engineering deliverables in support of the design of ships, craft, and other floating structures. Review machinery arrangements and configurations (illustrating primary functional allocation of spaces within the ship considering locations and adjacency constraints) and lead special studies including access and maintenance analyses, assist in detailed layouts of machinery spaces.

Serco, Inc. is the North America division of Serco Group, plc, one of the world’s leading service companies. At Serco we serve every branch of the U.S. Military, federal, state and local governments, Canadian and provincial governments, as well as commercial customers. We are a leading provider of professional, technology, engineering, trades, and management services, and we support the public service areas of Defense, Citizen Services, and Transportation.
Headquartered in Herndon, Virginia, Serco has over 9,000 employees working at over 100 sites across the U.S. and Canada. Serco is a business where people and values matter. Our workplace culture is one that embraces diversity and fosters equity, respect, and belonging for every individual. Put simply, Serco is a place you can count on. We embody a holistic approach to wellbeing and offer our employees a suite of benefits that enable you to achieve your physical, emotional, financial, social, community and career goals.
Serco is a place where you can make a difference because every contribution matters. So while your place at Serco may vary depending on your role, we know you will find your place here. You are invited to come discover your place in our world.

Serco Group plc

Sr Marine Engineer (Auxiliary & Fluid Systems) - Arlington, VA

This individual will identify workflow gaps, modernize existing tooling, and deliver scalable, high‑reliability solutions that strengthen the development and testing infrastructure. We are seeking a capable Tools and Test Automation Engineer with experience developing and optimizing automation tools and processes across safety-critical avionics lifecycles.

Sopra Steria Group

Tools and Test Automation Engineer

With Diversity, Equity, and Inclusion (DE&I) as part of our Social Ambition 2030 and a strategic pillar of our Company culture, Prysmian is committed to the development of an organization that prioritizes talent, where people feel respected, included, and free to fully express their potential just as they are. Each year, the company manufactures thousands of miles of underground and submarine cables and systems for power transmission and distribution, as well as medium low voltage cables for the construction and infrastructure sectors.

Prysmian SpA

Cable Design Engineer

Mechanical Systems, Externals, & Nacelles (MSEN) : The MSEN organization 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.

Senior Project Engineer (Onsite)

With Diversity, Equity, and Inclusion (DE&I) as part of our Social Ambition 2030 and a strategic pillar of our Company culture, Prysmian is committed to the development of an organization that prioritizes talent, where people feel respected, included, and free to fully express their potential just as they are. Experience interpreting complex specifications - ability to analyze multiple industry, customer, and internal specs, determine the most stringent requirements, and assess compliance (Specification Engineering experience).

Prysmian S.P.A.

Cable Design & Specification Engineer

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With Diversity, Equity, and Inclusion (DE&I) as part of our Social Ambition 2030 and a strategic pillar of our Company culture, Prysmian is committed to the development of an organization that prioritizes talent, where people feel respected, included, and free to fully express their potential just as they are. Manage assigned projects which includes cost estimations, designs, specifications, approvals, procurement, installation, startup, cost control, safety and overall implementation to achieve Plant and organizational objectives.

Willimantic Controls Engineer

The role includes attending data center conferences, interacting with customers and suppliers, gathering insights, driving discussions to define best products for data center application and connecting market needs with Prysmian solutions. Experience attending data center shows- Familiarity with industry events, customer discussions, and market‑facing activities that support product strategy and opportunity identification, with the ability to convey technical concepts clearly to diverse audiences.

Senior Product Development Engineer (Data Center)

The role includes attending data center conferences, interacting with customers and suppliers, gathering insights, driving discussions to define best products for data center application and connecting market needs with Prysmian solutions. Experience attending data center shows - Familiarity with industry events, customer discussions, and market‑facing activities that support product strategy and opportunity identification, with the ability to convey technical concepts clearly to diverse audiences.

Senior Product Development Engineer

The candidate will join the Advanced Manufacturing Team which specializes in the development, testing, optimization, and demonstration of novel manufacturing technologies for internal deployment as well as for external research programs across a variety of technical areas including additive manufacturing, robotic automation, machining, joining, welding, repair, surface treatment, sensing, amongst many others. The individual will work with the team in a fast-paced, R&D environment alongside leading scientists and colleagues from across RTRC and the greater RTX organization (including Collins Aerospace, Pratt & Whitney, and Raytheon) to conceive, develop, and demonstrate next generation technologies for Aerospace and Defense applications.

Principal Advanced Manufacturing Research Engineer

Influence other Team Submarine codes and Program Offices, Submarine Force Commanders, equipment manufacturers, engineering service contractors, Naval Warfare Centers, Supervisors of Shipbuilding, naval shipyards, and Performance Monitoring Teams (PMT) for maintenance of ship systems and technical issues. As the Submarine Electrical Engineer, you will be a part of a dynamic team located in Washington, D.C., where you will provide senior level technical expertise for assigned systems for all U.S. Navy submarines to include continuous systems monitoring, problem solving, evaluation/modification, maintenance and repair specifications, and technical troubleshooting and guidance for emergent fleet issues.

Submarine Electrical Engineer - Washington, D.C.

As the Mechanical Electrical Engineer (Submarine Electrical Engineer), you will be a part of a dynamic team located in Washington, D.C., where you will provide senior level technical expertise for assigned systems for all U.S. Navy submarines to include continuous systems monitoring, problem solving, evaluation/modification, maintenance and repair specifications, and technical troubleshooting and guidance for emergent fleet issues. Influence other Team Submarine codes and Program Offices, Submarine Force Commanders, equipment manufacturers, engineering service contractors, Naval Warfare Centers, Supervisors of Shipbuilding, naval shipyards, and Performance Monitoring Teams (PMT) for maintenance of ship systems and technical issues.

Mechanical Electrical Engineer

At Zachry Nuclear Engineering, our teams support some of the nation's most critical energy infrastructure through engineering design, plant modernization initiatives, system modifications, and technical consulting services supporting the commercial nuclear power industry. The successful candidate will apply established engineering principles and professional judgment to evaluate plant conditions, develop engineering solutions, perform technical analyses, and support design modifications that improve safety, reliability, operability, and performance.

Performance Engineer Jobs in Groton, CT

Transmissions Design Engineer I (Onsite) RTX Corp

Senior Engineer - Carbon Seal Design & Analysis (Onsite) RTX Corp

Product Manufacturing Engineer - Military Engines RTX Corp

Senior Structures Engineer (Onsite) RTX Corp

Mechanical Engineer Gemma Power Systems LLC

Resident Engineer - Aviation McFarland Johnson

Resident Engineer – Aviation McFarland Johnson

Project Engineer Kraft Group LLC

Sr Marine Engineer (Auxiliary & Fluid Systems) - Arlington, VA Serco Group plc

Tools and Test Automation Engineer Sopra Steria Group

Cable Design Engineer Prysmian SpA

Senior Project Engineer (Onsite) RTX

Cable Design & Specification Engineer Prysmian S.P.A.

Willimantic Controls Engineer Prysmian S.P.A.

Senior Product Development Engineer (Data Center) Prysmian S.P.A.

Senior Product Development Engineer Prysmian SpA

Principal Advanced Manufacturing Research Engineer RTX

Submarine Electrical Engineer - Washington, D.C. Serco Group plc

Mechanical Electrical Engineer Serco Group plc

Engineer III Mechanical - Nuclear Zachry Holdings, Inc.

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