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Systems Engineer (I.S.)
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Responsible for the design, development, implementation, maintenance, and support of business applications, IT infrastructure, and enterprise technology systems. This position serves as a…
Added 1 min ago
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Sr. AI/ML Engineer - Remote
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The Optum Health Technology team is seeking a Senior AI/ML Engineer with a solid data science background to build and scale cutting-edge AI-powered solutions that transform value-based care…
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Senior Software Engineer - Remote
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- $91,700 to $163,700 USD / year
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Quality Engineer - Fabrication
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Principal ASIC Design Engineer
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As a Principal ASIC Design Engineer at Honeywell Aerospace, you will be a technical leader in our ASIC design team, responsible for driving innovation and excellence in ASIC design, leading…
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Automation Field Engineer
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Controls Engineer
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The Controls Engineer is responsible for the design, programming, commissioning, and ongoing support of engineered automation and industrial control solutions at customer facilities. This…
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Mechanical Engineer
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Fullstack Engineer
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Senior Systems Engineer
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This Software Engineer Internship position is within the Strategic Defense Solutions (SDS) business area. SDS develops and builds simulators and training systems for both military and…
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Embedded Software Engineer I (Onsite)
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Embedded Security Software Engineer I (Onsite)
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…elite software engineering team to design, code, integrate, and test critical real-time embedded software Security applications to advance next generation Electronic Warfare Systems.…
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Enterprise DevOps Engineer
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…billion+. We have over 40 years of excellence in uniting talent and technology to power the possible for our clients, colleagues, and communities. As a privately held company, we have the…
Added 8 mins ago
Software Engineer III (Java)
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As a Software Engineer III at JPMorganChase within the Payments Technology division, you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology…
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Senior Lead Software Engineer- AI Platform engineer
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As a Senior Lead Software Engineer at JPMorgan Chase within the Corporate Sector, Infrastructure Platforms team, you are an integral part of an agile team that works to enhance, build, and…
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Chief Engineer-Inertial Navigation
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- $1,400 to $18,000 USD / year
We are seeking a Chief Engineer to serve as a senior technical authority for advanced inertial sensing and navigation technologies, with an emphasis on Ring Laser Gyro (RLG) and Fiber Optic…
Added 9 mins ago
Full-stack Engineer 4 (Java & Go)
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Do you love building and pioneering in the technology space? Are you an engineer with builder mindset? Do you like to work on high pace AI security teams and ready collaborate with Industry…
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Senior Manager, Revenue Management & Data Analytics
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The Senior Manager oversees the design, development, and implementation of statistical and machine learning models to support revenue management initiatives, including customer…
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Experienced Test Engineer - Sustainment
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Life Cycle Engineering is seeking a highly motivated test engineer with experience in submarine operations to support execution of sustainment engineering initiatives for VIRGINIA Class and…
Added 10 mins ago
Systems Engineer L2
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component under development (requirements, designs, interfaces, test
Added 10 mins ago
Systems Engineer (I.S.)
Sumitomo Electric Wiring Systems, Inc.
LaVergne, TN
Responsible for the design, development, implementation, maintenance, and support of business applications, IT infrastructure, and enterprise technology systems. This position serves as a…
Added 10 mins ago
NH
Senior Mechanical Design Engineer
Nel Hydrogen
Wallingford
- $120,000 to $140,000 USD / year
Do you want to help design the technology powering the green energy transition?

Nel Hydrogen

Senior Mechanical Design Engineer

Wallingford, United States

$120,000 to $140,000 USD / year

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Job details

Pay: $120,000 to $140,000 USD / year
Experience: Bachelor’s or Master’s degree in Mechanical Engineering or equivalent, with 8+ years of relevant experience; a related PhD may count toward the experience requirement
Posting language: English
Posted: Nov 9, 2026

Original job description

Do you want to help design the technology powering the green energy transition? At Nel, you’ll work at the forefront of hydrogen innovation - contributing to the design and development of electrochemical systems that power the green energy transition. In this role, you will apply your mechanical engineering expertise to complex component and system design, helping improve performance, reliability, and manufacturability. You will collaborate closely with engineering, manufacturing, and suppliers, taking designs from initial concept through testing and production. This is an opportunity to solve complex technical challenges and make a tangible contribution in a collaborative, multidisciplinary environment.

Your New Role As a Senior Mechanical Design Engineer, you will be a key contributor to component and complex assembly design from concept through production. Your responsibilities will span design, load distribution and structural analysis, material selection, fluid flow, dimensional tolerancing, and design for manufacturability. The role also involves frequent hands-on prototype assembly and testing. You will prepare detailed documentation and participate in in-depth technical reviews to ensure robust and scalable design solutions. Your Responsibilities You will design components and complex assemblies for electrochemical cell stacks, taking solutions from concept through testing and production. Your work will combine mechanical design, engineering analysis, hands-on testing, and close collaboration with manufacturing.

In this role, you will:

Perform engineering calculations and analyses covering mechanical loads, stress and deformation, fluid and gas behavior, pressure drop, flow distribution, and dimensional/tolerance stack-ups
Create detailed CAD models, assemblies, engineering drawings, and bills of materials, applying GD&T and FEA where appropriate
Assemble and test cell stacks and associated systems, developing test methods, selecting appropriate instrumentation, interpreting results, and validating design assumptions and analytical models
Prepare test plans, technical reports, assembly procedures, and other engineering documentation
Identify opportunities to reduce cost, improve reliability, and extend the functionality of existing technology
Collaborate with manufacturing and suppliers on manufacturability, volume production, inspection criteria, component evaluation, and technical requirements
Support non-conforming product disposition, root-cause and failure analysis, and troubleshooting of manufacturing, test, and field issues

The above statements reflect the principal functions of the position and shall not be construed as a detailed description of all work requirements that may be inherent in the job.

What We Are Looking For We are looking for a hands-on, analytical, and collaborative mechanical engineer who enjoys solving complex technical challenges. You bring strong problem-solving skills and a high level of ownership, and you are comfortable working across design, analysis, testing, and manufacturing in a multidisciplinary environment.

You bring with you:

Bachelor’s or Master’s degree in Mechanical Engineering or equivalent, with 8+ years of relevant experience; a related PhD may count toward the experience requirement
Strong proficiency in parametric 3D CAD for complex mechanical assemblies, preferably PTC Creo
Demonstrated experience with GD&T and dimensional/tolerance stack-up analysis
Knowledge of engineering materials, including metals, polymers/elastomers, coatings, surface treatments, and material compatibility
Familiarity with manufacturing processes including molding, machining, forming, joining, and coating
Experience supporting manufacturing and working with suppliers on technical requirements, manufacturability, component evaluation, and quality issues
Experience planning and executing engineering development activities, with familiarity with safe work practices and hazard analysis
Ability to work effectively in a highly collaborative, multidisciplinary team environment

Preferred Skills

Experience with FEA (Creo Simulate or ANSYS preferred)
Experience with CFD or other fluid-flow modeling, particularly pressure-drop and flow-distribution analysis (ANSYS Fluent preferred)
Experience with electrochemical systems or pressure/fluid-processing equipment, such as electrolyzers, fuel cells, flow batteries, gas separation, piping systems, or pressure vessels

What We Can Offer

An opportunity to work in a company in a leading position in the market.
A visible role with many exciting interfaces, internally and externally
The opportunity to work in a global company that contributes to the green transition.
A dynamic and highly professional working environment consisting of competent and committed colleagues.

Compensation

The anticipated annual base salary range for this position is $120,000 - $140,000. Final compensation will be determined based on factors including relevant experience, skills, education, and qualifications.

Benefits

Nel Hydrogen offers a comprehensive benefits package, including medical, dental, vision, life insurance, disability coverage, and retirement savings benefits, as applicable. Employees may also be eligible to participate in the Company's short-term incentive program. In addition, the Company provides paid vacation, sick leave, and company holidays. Benefits and eligibility are subject to the terms of the applicable plans and programs. The Company has a published Code of Conduct that all employees are expected to follow.

About Nel Hydrogen Nel Hydrogen is the global leader in on-site hydrogen generation and the largest electrolyser manufacturer in the world. Nel Hydrogen is leading the charge into the new green hydrogen economy. If you are driven by personal initiative combined with loyalty and commitment to your team and the ability to convert complex issues into simple solutions, then we want to talk to you. Join a company that is on the cutting edge of new energy innovations, with an energized, progressive culture.

Visas

Nel will only employ those who are legally authorized to work in the United States. This is not a position for which sponsorship will be provided.
Individuals with temporary visas such as E, F-1, H-1, H-2, L, B, J, or TN or who need sponsorship for work authorization now or in the future, are not eligible for hire.

We are an equal opportunity employer-M/F/Disabled/Veteran and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law. All employment is decided based on qualifications, merit, and business need. Applicants have rights under Federal Employment Laws: FederalEnglish.pdf) Applications are reviewed on a rolling basis, so don’t wait to apply! If you have any questions, feel free to reach out to us at tateam@nelhydrogen.com.

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More about this job

Skills

Mechanical engineering
Assembly
Documentation
FEA
Inspection
Troubleshooting
Problem solving
PTC Creo
Manufacturing processes
Machining
CFD
Ansys Fluent

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