Lab Technician

Supercritical is transforming the future of green hydrogen production with the world’s first high-pressure, ultra-efficient water electrolyser. Our groundbreaking technology uses heat and pressure to achieve the highest electrical efficiencies in the industry, producing hydrogen at high pressure for seamless storage and transport. By also co-producing oxygen, our innovations support decarbonisation in heavy industry, chemicals, transport, and more.

We are a well-funded team with years of runway and strong partnerships with leading global organisations. Our mission is to make green hydrogen affordable and sustainable, enabling a cleaner, more equitable future. By eliminating the costly and complex equipment required by traditional electrolysis, we are driving down the cost of green hydrogen and making it accessible to industries around the world.

We live by our values at Supercritical:

• Purpose in creating a legacy, driving positive change for sustainability in all we strive for

• Transparency in the way we work, the way we share and in our honesty.

• Partnership to achieve shared goals, to collaborate at all levels, to welcome challenges and different points of view

• Trust in our colleagues, in the rigour of our delivery, and in our respect for others

• Leadership in finding breakthroughs, empowering actions, innovating

• Curiosity in celebrating ideas, championing our passions, being positively restless

What Makes Us Proud:

• Our patented technology is redefining industry standards.

• We’ve demonstrated world-leading electrochemical efficiencies beyond the lab.

• We are committed to sustainability, designing systems free from PFAS forever chemicals and rare earth metals.

• We’re recognised globally:

  • Featured in CleanTech Group’s "Top 50 to Watch for Climate Action."

  • Named a StartUS Insights "Top 5 Zero Emission Solution to Watch."

  • Runner-up and People’s Choice in Shell’s 2021 New Energy Challenge.

  • Finalist in OZ Minerals' Hydrogen Hypothesis.

  • Highlighted in CEMEX Ventures’ Most Promising CleanTech Solutions.

  • Listed among Start Up Energy Transition’s "100 Most Promising Global Energy Startups."

At Supercritical, we believe that innovation thrives when diverse perspectives come together. We’re building a collaborative, inclusive team to create ultra-efficient, cutting-edge solutions for a sustainable future. Join us in solving some of the world’s toughest energy challenges and making a real impact on the path to net zero.

Supercritical is looking for a Lab Technician to join our lab research and development team, based in West London. The role will suit an applicant with a good background in lab-based experimentation. This is an opportunity to join an exciting and purpose-driven startup.

You will join an exciting and fast moving company that is intent on disrupting the energy industry and enabling a net zero future.

What you’ll do:

• Conducting high-quality testing to support product development

• Assembly and disassembly of test hardware and test equipment

• Adhering to test procedures to meet research and development requirements

• Assisting in the improvement of testing procedures and processes to enhance the quality and consistency of testing

• Calibrating and maintaining equipment

• Meeting testing deadlines as per the plan

• Reporting any variances or issues that affect test results

• Collaborating with a team to achieve goals

• Strictly following all safety and operating procedures in the lab

• Coordinating and communicating work with the wider team

Ideally, you will:

• Experience in lab-based research/testing

• Strong analytical skills, problem-solving abilities, and a team-oriented attitude

• Experience with high pressure and high temperature fluid systems, with knowledge of supercritical water conditions being an advantage

• Experience in maintaining and operating test stands

• Knowledge of risk assessments & good lab practice.

• A passion for product development and a commitment to a net-zero environment

• Strong organisational and communication skills

• Proactivity and self-motivation

• Knowledge of laboratory health and safety protocols

• Ability to understand and execute standard operating procedures

• Familiarity with unexpected results or issues

Desirable

• Experience in electrolyser cell system testing

• A degree in science or engineering

• Basic knowledge of data logging and hardware control

• Experience in automation, high-throughput experimentation, data science, programming, and research development

• Knowledge of HAZIDs and HAZOPs