Junior Assembly Technician- Energy Storage Systems

  • Full-time

Company Description

We are an ally for the grid, the people and the planet. Our battery energy storage makes energy more affordable, cleaner and accessible for everyone so that every factory, business and home to reduce their energy bills by up to 50% while providing flexibility to the grid to lower costs and accelerate decarbonisation.

Our first system, the Allye Max, is an innovative 320kWh mobile energy storage system using repurposed electric vehicle batteries. It is two-times cheaper and has 60% lower embedded CO2 than other similar systems. Our teams are developing the hardware and software solutions to transform our energy is managed at the grid-edge.

Following successful testing, pilots with major companies and further engineering development, the Max is now ready for series production. Due to our rapid growth, the team at Allye is expanding in multiple areas, increasing the depth and strength of our team of energy hustlers.

We are united by the shared values of freedom, autonomy and purpose. Allye is a company where you are empowered and respected as part of an inclusive and transparent culture that values all contributions as we collectively generate a positive impact for society and our planet.

Job Description


Are you a junior technician or apprentice and would like to learn how to assemble battery systems? Ideally you have a passion and can demonstrate your hands-on mechanical and electrical skills.

In this role you will work as part of the Allye Production Team producing our energy storage systems. You will be working in a small multifunctional team where you are empowered to improve the way they do things; particularly around quality, cost control, productivity and safety.

This is an exciting role that offers the opportunity to be at the forefront of an emerging industry and make a lasting impact on the future of energy storage.



  • Achieve daily/annual volume throughput goals
  • Assist in building HV prototype energy storage systems, including:
    • Sub-assemblies
    • Battery pack pre-assembly
    • Battery cooling system assembly
  • Assist in the build of electromechanical sub-assemblies
  • Assist in the installation of PCBs and electrical harnesses
  • Participate in manual fabrication and modification of components using workshop equipment
  • Conduct basic HV battery electrical and mechanical checks and testing
  • Support in investigating, diagnosing, and repairing faults on high voltage battery systems
  • Perform daily health checks, equipment/rig maintenance, and assist in fault diagnostics
  • Strictly adhere to HV battery prototype build procedures based on SSOW
  • Follow and assist in managing health and safety requirements of the assembly area
  • Maintain cleanliness and tidiness of production area
  • Assist in developing build processes and building work instructions
  • Collaborate in producing parts and material requirements lists for procurement activities
  • Assist in completing and maintaining all build system documents and ERP system logs
  • Provide general support at HQ, including taking delivery of items, stores work, and equipment ordering

Knowledge, Skills, and Experience:

  • Interest or experience within a technical discipline, either mechanical and/or electrical
  • Basic understanding of manual and automated assembly manufacturing processes
  • Exposure to working with electrical components, PCBs, and wiring looms
  • Ability to follow work instructions for component assembly, including wiring and soldering
  • Willingness to learn and review build instructions, spotting faults or inconsistencies
  • Basic skills in diagnosing, assessing, and assisting in repairing or replacing faulty components/assemblies
  • Familiarity and basic proficiency with various hand tools and power tools
  • Good verbal and written communication skills
  • Basic familiarity with computer software and basic computer skills
  • Self-motivated with a positive team player attitude
  • Eligible to work in the UK

Bonus if You Have:

  • Exposure or interest in working with energy storage systems
  • Basic mechanical and electrical skills, including fabrication, machining, and soldering
  • Hands-on experience or a keen interest in the assembly of high voltage batteries
  • Basic knowledge of battery system technology, including cell chemistries, BMS, etc.
  • Exposure to or experience with single and 3-phase electrical supply in industrial and residential settings
  • Basic knowledge of communication protocols, including CAN and RS232
  • First aid qualifications (a plus)
  • Health & Safety qualifications

Additional Information

We believe that diversity drives innovation. Be a part of our journey to revolutionise the energy storage industry by introducing more sustainable and superior products to the market.


Please note that at this time we are unable to provide UK visa sponsorship

Strictly No Agencies