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.

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

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)

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 selection processes.

ALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know.

This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected . Details of this will be discussed with you at interview.