Power Electronics Engineer

Job Description

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.

• Location:
  London
• On Site:
  Hybrid
• 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

• 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
• 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

• Experience with in 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

We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies.

At ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals.

Join a passionate team and help build tomorrow, today.

• 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)

We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and…