Power Electronics Engineer

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: Remote

- Clearance: Clearable

- Experience Level: Senior - 5-15 years of experience

Key Responsibilities:

- 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

Required Skills:

- 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

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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

Required Qualifications:

- 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

Desirable Skills:

- 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

Why join us?

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.
In short you get:

- 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)

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