Computational Fluid Dynamics (CFD) Engineer

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.

We are seeking an experienced Computational Fluid Dynamics (CFD) Engineer to join our engineering team. The ideal candidate will have a strong background in fluid dynamics, heat transfer, and multiphase flow modeling, with extensive experience using ANSYS tools. This role involves developing and validating CFD models to support design and optimization of advanced energy systems, including fuel cells and electrolysis technologies.

Main tasks and responsibilities

• Develop, execute, and validate CFD simulations for single-phase and multiphase flows, heat transfer, and related phenomena.
• Utilize ANSYS Fluent/CFX and other ANSYS products for modeling and analysis.
• Perform geometry preparation, mesh generation, and post-processing of simulation results.
• Collaborate with cross-functional teams to integrate CFD insights into product design and development.
• Conduct parametric and sensitivity analyses to optimize system performance.
• Document methodologies, results, and recommendations in technical reports and presentations.
• Support troubleshooting and root cause analysis for fluid-related performance issues.
• Stay current with emerging CFD techniques and tools, particularly in the energy and hydrogen sectors.

Key Qualifications

• Proven expertise in ANSYS Fluent/CFX and related tools.
• Experience with multiphase flow simulations (e.g., gas-liquid interactions, bubble dynamics).
• Strong understanding of fluid mechanics, thermodynamics, and heat transfer.
• Familiarity with PTC Creo for CAD modeling and integration with CFD workflows.
• Experience in electrolysis or similar electrochemical systems is highly desirable.

Education and Experience

• Minimum: Master's degree in Mechanical Engineering, Chemical Engineering, or related field.
• Preferred: Ph.D. in a relevant discipline.
• Minimum of 8 years of professional experience in CFD modeling and analysis.

Required Skills and Abilities

• Proven expertise in ANSYS Fluent/CFX and related tools.
• Experience with multiphase flow simulations (e.g., gas-liquid interactions, bubble dynamics).
• Strong understanding of fluid mechanics, thermodynamics, and heat transfer.
• Familiarity with PTC Creo for CAD modeling and integration with CFD workflows.
• Experience in electrolysis or similar electrochemical systems is highly desirable.

Preferred Qualifications

• Experience with electrochemical modeling or coupling CFD with electrochemical processes.
• Knowledge of scripting languages (Python, MATLAB) for automation and data analysis.
• Familiarity with Design of Experiments (DOE) and optimization techniques.
• FEA experience a plus.

Competencies

• Excellent problem-solving, communication, and collaboration skills.
• Ability to work independently and lead technical initiatives.
• Results driven with demonstrated follow through

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 can offer

• An opportunity to work in a company in strong growth and 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.

Nel Hydrogen provides comprehensive health and insurance benefits for its employees as well as a short-term incentive program. The Company offers competitive paid vacation time, sick leave, and holidays.

The Company has a published Code of Conduct that all employees are expected to follow.

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