R&D Engineer / Scientist West London, onsite Permanent x2 vacancies (x1 regular, x1 Senior) Eng/ Scientist level is £45–55k | Senior level is £55k - £65k Our client is a well-backed clean tech start-up, operating at the forefront of clean hydrogen production. They're looking to expand their team, including the need for x2 R&D Scientists (Regular Senior). The Role As a Senior R&D Engineer/Scientist, your work will span materials characterisation, electrode performance, corrosion resistance, and the design of next-generation cells and modules. Key responsibilities include: Characterising and optimising metal electrodes for hydrogen/oxygen evolution reactions. Investigating performance, durability, and corrosion resistance of materials. Supporting design, fabrication, and testing of electrolyser cells and modules. Designing experiments, developing test protocols, and standardising processes. Managing consumables, reagents, and specialist lab equipment. Engaging with research partners, grant authorities, and project collaborators. About You We’re looking for someone with strong foundations in materials science, chemistry, electrochemistry, or physics and a passion for solving tough problems in pursuit of a cleaner future. Essential: 2 years’ industrial experience in a relevant scientific/engineering field. MSc or BSc in chemistry, electrochemistry, materials science, or similar. Strong background in materials science (metals, alloys, oxides). Hands-on experience with EIS data analysis and interpretation. Strong communication skills, able to present results to technical and non-technical stakeholders. Proactive, motivated, and collaborative approach. Desirable: PhD in a relevant discipline. Experience in corrosion chemistry, DFT modelling, or high-pressure/high-temp systems. Background in start-up or scale-up environments. What’s on Offer Competitive salary (£45–65k) equity scheme. 25 days holiday bank holidays. 3 months’ full parental leave (mothers & fathers). Pension: 5% employer / 3% employee. Professional development support (training & fees). Regular team days, socials, and milestone celebrations. Referral bonuses