Power Electronics Engineer

ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & support sustainable transformation.

Our teams of passionate and agile engineers work on cutting-edge projects that shape the future of technology and sustainability. At ALTEN, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow’s world—today.

Join us and start building tomorrow’s world today!

As a Power electronics engineer, you will join our London team to support our activities within the clean energy and hydrogen technologies sector

You will play a key role in the design and development of electrical and power electronic systems for fuel cell and electrolysis technologies. Working within a multidisciplinary Systems Engineering team, you will contribute to innovative clean energy solutions, supporting the design, modelling, grid integration, installation, and commissioning of next-generation power systems.

Responsibilities

Location: London; On Site: Remote; Clearance: Clearable; Experience Level: Senior - 5-15 years of experience; Contribute to the design and development of fuel cell and electrolyser stack systems and associated electrical architectures; Develop electrical network designs for grid-connected fuel cell and electrolysis systems across AC and DC distribution networks; Perform electrical modelling, power analysis, and technical feasibility assessments; Produce electrical schematics, wiring diagrams, and technical design documentation; Review and approve electrical designs and installation activities completed by contractors and suppliers; Provide technical guidance to project teams on electrical design risks and integration challenges; Ensure compliance with relevant electrical standards including IEEE, ANSI, IEC, and NFPA; Generate and review interface requirements for system integration and external connections; Support installation, troubleshooting, commissioning, and validation of electrical systems

Requirements

Strong experience in electrical design and power electronic systems; Experience delivering grid connection solutions for power generation or industrial power systems; Practical experience with AC and DC electrical distribution systems; Knowledge of cable sizing, protection device selection, earthing/grounding design, and electrical infrastructure; Experience interfacing electrical systems with PLCs, microcontrollers, power converters, and protection systems; Understanding of national and international electrical standards and grid connection requirements; Mandatory Experience using ETAP, EPLAN, MATLAB, or equivalent analysis and design tools; Ability to review electrical drawings, schematics, loads, BoMs, and design documentation; Strong communication, organisational, and stakeholder management skills; A Bachelor’s or Master’s degree in Engineering , or equivalent military experience .; Experience working on complex electrical system design projects; Strong understanding of electrical power systems, network design, and integration activities; Experience supporting projects through design, implementation, and commissioning phases

Nice to have

Experience within fuel cell, electrolysis, hydrogen, renewable energy, or power generation sectors; Experience working on MW-scale power systems; Knowledge of power system modelling and simulation techniques; Experience supporting research and development or prototype technology programmes; Fluency in Korean, Mandarin, Chinese, or German; Experience working with international teams and global engineering partners

Benefits

A personalised career path and a rewarding management style; A huge diversity of engineering projects and industries; Private Medical Insurance; Cycle & Tech Scheme; Employee assistance programme; Life insurance & Pension Scheme; Social atmosphere, regular gatherings & team buildings; Flexible way of working (role dependent)