Test Capability Engineer

ITM Power PLC; Sheffield; On-site; GBP 40,000 - 60,000; Full time

Benefits offered by this job

Buy as you earn (BAYE) share scheme

Birthday holiday

Cycle to work scheme

Job summary

ITM Power PLC in Sheffield is seeking a Test Capability Engineer to lead the design and operation of advanced testing systems for PEM electrolyser stacks. The role requires a strong background in mechanical engineering and hands-on experience with R&D test systems.

Join a team that values safety and innovation while working at the forefront of the green hydrogen industry. A competitive salary and a variety of benefits are offered, including a pension and opportunities for career development.

Qualifications

• Experience designing and operating R&D test systems or industrial process skids.
• Strong understanding of mechanical structures and pressure containment.
• Hands-on experience assembling and commissioning prototype hardware.

Responsibilities

• Design and develop full-scale test capability systems.
• Support commissioning of high-pressure systems.
• Conduct root cause analysis and troubleshooting.

Skills

Analytical skills

Problem-solving skills

Collaboration

Attention to detail

Education

Degree in Mechanical Engineering or related discipline

Tools

SolidWorks

Inventor

Creo

Job description

Test Capability Engineer

ITM Power

Location: Sheffield

Direct Applications Only - No Agency Applicants at this stage

About ITM Power

ITM is at the forefront of the green hydrogen industry, designing and manufacturing cutting‑edge PEM electrolysers that are instrumental in global decarbonisation efforts. With over two decades of scientific expertise, we’ve established ourselves as industry leaders in clean energy technology.

Our Journey and Growth

As pioneers in green hydrogen technology, ITM offers the most advanced PEM electrolyser technology in the world. Founded in 2000, ITM Power PLC was one of the first companies of its kind to be listed on the AIM market of the London Stock Exchange. Headquartered in the UK, our state‑of‑the‑art manufacturing facility is the world’s first largest PEM Gigafactory in commercial operation, and home to our R&D and manufacturing. ITM Power Germany is our hub in the heart of the EU. This facility not only houses regional functions including business development and engineering, but also our Aftersales services with the ability to quickly deploy stacks.

Innovation and Impact

Our PEM electrolysers are deployed in some of the world's largest green hydrogen projects. We continue to push the boundaries of technology, enhancing cost‑effectiveness and sustainability.

Join Our Mission

ITM is in the midst of a transformative phase, focusing on streamlined delivery and operational excellence. We're seeking talented individuals who share our passion for clean energy and our drive to make a tangible impact on the world's transition to net‑zero.

You will be working with an inspiring bunch of people, encouraging each other to be the best we can. We’ve come a long way, join us in the next step of our incredible journey!

What are we looking for

Working within our stack design and verification team, reporting to the Head of Stack Development we have an opportunity for a hands‑on R&D Test Capability Engineer to lead the design, build, commissioning, and operation of advanced test systems for next‑generation PEM electrolyser stacks and full‑scale clamping skid frames. This role combines mechanical design, test engineering, instrumentation, systems integration, and prototype development.

Responsibilities

Technical Duties

• Design and develop full‑scale test capability systems for PEM electrolyser stacks and clamping skid assemblies
• Specify and integrate instrumentation including pressure, temperature, flow, voltage, current, leak detection, and strain/load monitoring systems
• Support commissioning and operation of high‑pressure systems in laboratory and pilot environments
• Create detailed engineering drawings, P&IDs, assembly procedures, risk assessments, and technical documentation
• Collaborate closely with stack design, controls, manufacturing, and safety teams to deliver integrated test solutions
• Conduct root cause analysis and troubleshooting during prototype build and test campaigns
• Drive continuous improvement of test capability, reliability, automation, and data acquisition systems
• Support supplier engagement, component selection, fabrication oversight, and workshop activities
• Ensure compliance with relevant safety standards and engineering best practices for hydrogen systems and pressure equipment

Development & Continuous Improvement

• Contribute to continuous improvement of products, processes, and R&D methodologies
• Stay up to date with emerging technologies, materials, and industry developments
• Support knowledge sharing and lessons learned across projects
• Identify opportunities for innovation and efficiency improvements

Health, Safety & Environment (HSE)

• Comply with all health, safety, and environmental policies and procedures
• Ensure safe working practices in offices, workshops, and testing environments
• Identify and report hazards, risks, and incidents
• Support risk assessments and implementation of appropriate controls
• Promote a positive safety culture within R&D activities

Quality & Compliance

• Ensure work meets required quality standards, specifications, and regulations
• Follow defined processes for design control, testing, and documentation
• Support validation and verification activities
• Maintain accurate and traceable technical records
• Contribute to continuous improvement of quality systems and processes

About You

Knowledge and Experience

• Degree in Mechanical Engineering, Chemical Engineering, Systems Engineering or related discipline

Required

• Experience designing and operating R&D test systems, prototype equipment, or industrial process skids.
• Strong understanding of mechanical structures, clamping systems, piping assemblies, and pressure containment
• Experience with CAD tools such as SolidWorks, Inventor, Creo, or similar
• Familiarity with instrumentation, DAQ systems, sensors, and automated test environments
• Hands‑on experience assembling and commissioning prototype hardware
• Knowledge of PEM electrolyser, fuel cell, hydrogen, or electrochemical systems is highly desirable
• Understanding of pressure systems, fluid handling, thermal management, and industrial safety practices
• Strong problem‑solving skills with the ability to work effectively in multidisciplinary R&D teams

Desirable

• Knowledge of hydrogen regulations, CE/UKCA compliance, PED/ASME standards, or hazardous area design
• Familiarity with PLC systems, or industrial automation platforms
• Welding, fabrication, or workshop experience for prototype development

Skills and Abilities

• Analytical and strong problem‑solving skills (RCA)
• Strong cross‑functional collaboration
• Clearly communicates technical concepts for non‑technical people
• Hands‑on engineering mindset alongside evidence‑based decision making
• Proactively identifies issues and implements solutions
• Follows through on commitments with minimal supervision
• Detail oriented with a level of attention to detail
• Resilient and persistent when faced with setbacks

What We Offer

The opportunity to work with cutting‑edge technology in a rapidly growing industry, within a dynamic environment where you can shape the future of energy and work with a team that’s actively addressing global climate challenges. Our corporate culture values safety, integrity and continuous improvement.

A competitive salary and an excellent contributory pension, 25 days holiday and a wider range of benefits including:

• Buy as you earn (BAYE) share scheme
• Birthday holiday
• Holiday Purchase
• Cycle to work scheme
• Lifestyle Discounts
• Employee Assistance Programme
• Health Cash Plan
• Eye Care
• Gym Scheme
• Life assurance
• EV Car Leasing
• Enhanced Parental Leave
• Motor Save Scheme
• Tech Save Scheme
• On‑site parking includes free electric car charging points

We know your career is important to you, it’s important to us too, which is why we also offer opportunities for you to grow and develop your career. If you are looking to join a growing, dynamic business and want to be part of our amazing team we would love to hear from you.

Our success is driven by the exceptional diversity of our people. We are proud to be an equal opportunity employer, committed to promoting and creating a diverse and inclusive environment where we encourage our employees to learn and grow, fuelled by mutual respect in a place where ideas flow and thrive.