ALTEN Group supports the development strategy of its customers in the fields of innovation, R&D and technological information systems.
Created 30 years ago, the Group has become a world leader in Engineering and Technology consulting.

24 700 highly qualified engineers carry out studies and conception projects for the Technical and Information Systems Divisions of major customers in the industrial, telecommunications and Service sectors.

Our business lines:

• ENGINEERING 
R&D and Manufacturing outsourcing :
> Consulting
> R&D externalization / Design & Development
> Manufacturing engineering
> Supply chain and Quality
> Testing
> Customer Support training

• ENTERPRISE SERVICES
Internal IT:
> Consulting functional knowledge
> technical expertise (Digital, BI...)
> IT applications / Life Cycle Management

Internal Network:
> Architecture and Security
> Deployment Integration Support

ALTEN

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!

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: LondonOn Site: Remote Clearance: ClearableExperience 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 architecturesDevelop electrical network designs for grid-connected fuel cell and electrolysis systems across AC and DC distribution networksPerform electrical modelling, power analysis, and technical feasibility assessmentsProduce electrical schematics, wiring diagrams, and technical design documentationReview and approve electrical designs and installation activities completed by contractors and suppliersProvide technical guidance to project teams on electrical design risks and integration challengesEnsure compliance with relevant electrical standards including IEEE, ANSI, IEC, and NFPAGenerate and review interface requirements for system integration and external connectionsSupport installation, troubleshooting, commissioning, and validation of electrical systems

Qualifications

Required Skills: 

Strong experience in electrical design and power electronic systemsExperience delivering grid connection solutions for power generation or industrial power systemsPractical experience with AC and DC electrical distribution systemsKnowledge of cable sizing, protection device selection, earthing/grounding design, and electrical infrastructureExperience interfacing electrical systems with PLCs, microcontrollers, power converters, and protection systemsUnderstanding of national and international electrical standards and grid connection requirementsMandatory Experience using ETAP, EPLAN, MATLAB, or equivalent analysis and design toolsAbility to review electrical drawings, schematics, loads, BoMs, and design documentationStrong 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 projectsStrong understanding of electrical power systems, network design, and integration activitiesExperience supporting projects through design, implementation, and commissioning phases

Desirable Skills: 

Experience within fuel cell, electrolysis, hydrogen, renewable energy, or power generation sectorsExperience working on MW-scale power systemsKnowledge of power system modelling and simulation techniquesExperience supporting research and development or prototype technology programmesFluency in Korean, Mandarin, Chinese, or GermanExperience working with international teams and global engineering partners

Additional Information

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 industriesPrivate Medical InsuranceCycle & Tech Scheme Employee assistance programmeLife insurance & Pension SchemeSocial atmosphere, regular gatherings & team buildingsFlexible 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.

Power Electronics Engineer

What the job involves