Senior Control & Instrumentation Engineer Permanent | Flexible Hybrid working | Equity from day 1 The company: Our client is a London-based, clean-tech start-up, developing novel hydrogen technology for decarbonisation and increased industrial efficiency. As part of their expansion plans, they are looking to hire a Senior Controls & Instrumentation Engineer who’s passionate about net-zero missions, excited by innovation, and proactive in its pursuit. The role:. Develop concepts and perform feasibility analyses given an incomplete problem definition. Lead control system design internally and with third-party design partners, developing the internal control philosophy, development roadmap, and data architecture. Identify and specify suitably ranged instrumentation and manage its implementation with appropriate software. Gather and articulate needs and constraints from stakeholders, colleagues, and vendors to enable coordination and agreement across stakeholders (subsystems, vendors, or clients) on common interfaces. Ensure all applicable national and international codes of practice, legislation, and company/client standards and procedures are complied with and Seek out standards and track compliance with safety regulations, processes, and/or best practices. Offer expert insight in system design reviews and in safety reviews such as HAZOPs and FMEAs. Create and maintain system documentation such as Interface Control Documents, System Descriptions, and Requirements. Develop and execute integration and test plans focused on requirements verification within programmatic constraints. Support engagements through stakeholder engagement, data analysis, and techno-economic modelling. Requirements: You will be degree-qualified (or equivalent) in a relevant engineering discipline (e.g., Electrical, Instrumentation & Control, or Process Engineering) with 6 years of professional experience in relevant engineering design roles and possess a solid working knowledge of design practices and installation requirements across industries. You will: Have extensive familiarity with UK legislation, standards, and HSE requirements and experience with IEC regulations and all relevant UK standards and specifications. Be skilled in testing, checking, and commissioning systems, wiring diagrams, specifically in control side design, and automation software design. Understand HV isolations, energisation, and commissioning requirements. Be experienced in CE marking requirements, including ATEX, PED, Low Voltage Directive, Machinery Directive, and EMC compliance. Exhibit strong organisational skills, attention to detail, and team collaboration abilities. Manage multiple projects simultaneously without losing focus on long-term goals. Demonstrate experience in life-cycle development of hardware for safety-critical systems or products. Emphasise clear problem definition before selecting a solution. Have solid simulation, analysis, and data interpretation skills. Be proficient in Python, MATLAB, LabVIEW, and SolidWorks CAD. Communicate clearly about technical subjects, both in writing and speaking. It is desirable that applicants have experience in a start-up/ scale-up environment, and knowledge of the hydrogen industry, electrolysers, and/or fuel cell technologies is also highly advantageous