Are you motivated by making technology work better?

Are you a team player, always willing to challenge the status quo?

Do you have a passion for batteries?

The Role:                                Senior Engineer

Reporting to:                       Director of Projects

As a Senior Engineer, you’ll have a dynamic technical role and be primarily responsible for leading our technical support to our customers throughout the battery project lifecycle from development to commissioning. This enables our clients to make informed decisions and navigate the complex battery energy storage sector.

You will sit within Arenko’s close-knit Project Services team and work collaboratively with our Director of Projects, Project Engineers, Project Managers and Project Development Managers. The goal of this team is to accelerate our operational pipeline by developing new ready to build (RTB) projects and providing technical consultancy services to our clients to help reach financial investment decision (FID) and commercial operation date (COD).

The Project Services team also works closely with our software and trading teams to onboard and asset manage new route-to-market assets. The Senior Engineer role includes coordination, running and analysis of frequency response market pre-qualification tests.

The Role:

  • Leading the technical aspects of developing a portfolio of transmission connected energy storage systems
  • Liaison with National Grid Electricity Transmission and DNOs regarding existing connections and potential new development opportunities
  • Review of EPC, ICP and LTSA proposals, contracts, design submissions and construction progress/quality
  • Drafting of EPC, ICP and LTSA contractual schedules
  • Supporting the onboarding and testing of new assets, including coordination and technical assessment of market prequalification tests
  • Supporting the development of user requirements/specifications of asset management software
  • Provide client facing reports on technical matters such as RFPs
  • Managing our Project Engineers to deliver technical deliverables such as drawings, data analysis and design reviews

About You:

  • Engineering degree, minimum 2:1 (ideally electrical, but relevant industry experience considered)
  • At least 5 years’ of technical experience in the renewable energy & storage sector
  • Experience in construction of utility scale renewable projects (ideally battery storage)
  • Experience with managing and drafting EPC contracts
  • Experience with performance assessment of renewable energy projects
  • Experience managing a small team

Desirable skills:

  • Experience with AutoCAD
  • Experience with Python
  • Knowledge of Grid Code, G99 and frequency response service requirements


As we move to the high-renewables and low carbon era, electricity storage is transforming the way the energy industry operates. The energy industry is fast becoming a digital and multidisciplinary sector that provides a fundamental service for modern society, but these needs must be delivered in a socially responsible way. Arenko are using new technology to add flexibility to the grid and secure supply in this fast-changing industry, offering a huge variety of opportunities for the future.

Arenko was founded in 2014 and we are growing rapidly in an emerging sector. Arenko is a fun, inclusive and fast-paced environment and our team are self-motivated, enthusiastic and take a collaborative approach to help the business develop and grow.

We offer a range of benefits including:

  • 25 days holiday (+ bank holidays), carry over flex and festive office closure
  • Flexible working
  • Enhanced parental leave offerings
  • Company pension scheme
  • Annual learning and development budget
  • Bike to Work Scheme
  • Octopus EV Scheme
  • A commitment to your wellbeing, with access to our Employee Assistance Programme
  • Monthly socials, Summer, and Christmas party
  • Office breakfast, fruit, snacks and catered lunch and learns

Finally, whilst joining a social and hard-working team, you will have access to some of the most prestigious employee competitions of all time: The Arenko Bake off and the annual Arenko Olympics.

Although we are unable to publish the salary range on this job advert, as part of our commitment to inclusive and equitable recruitment, we commit to never asking you for your current salary information or salary history as part of this recruitment process. In addition, we will share with you the salary range, in confidence, prior to the interview.

Here at Arenko, we want every employee to feel valued, comfortable, and able to be their own free self at work. Together, we are committed to building a diverse and inclusive culture that encourages, supports, and empowers the authentic voices of all our employees. All qualified applicants will receive consideration for employment without regard to race, colour, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age or any other aspect that makes you unique.


Please follow us on LinkedIn for the latest blogs and/or checkout the news section of our website for more information on what we do:

– LinkedIn

– Website

Our team is growing, and we would love your help in reinventing the energy system.

Apply here