Pre-Sales Engineer - Energy Retail

Location: London or Bristol, UK (hybrid, three days a week in the office)

Level: Senior Engineer C3

Team: Growth

Salary: £60,000 - £70,000 + discretionary bonus

Contract: Permanent

Reporting To: Head of Sales Engineering

Please note: This role requires an existing right to work in the UK. We can’t offer visa sponsorship, but we review sponsorship role by role, so keep an eye on our careers site for future opportunities.

About Kaluza

Kaluza is the Energy Intelligence Platform, turning energy complexity into seamless coordination. We help energy companies overcome today’s challenges while accelerating the shift to a clean, electrified future.

Our platform orchestrates millions of real-time decisions across homes, devices, markets and grids. By combining predictive algorithms with human-centred design, Kaluza makes clean energy dependable, affordable and adaptive to everyday life.

With teams across Europe, Asia and Australia, and a joint venture with Mitsubishi Corporation in Japan, we power leading companies including OVO, AGL and ENGIE, as well as innovators like Volvo and Volkswagen.

What you’ll do

As a Pre-Sales Engineer, you are a trusted technical contributor within our team, helping deliver impactful sales engagements through configuration and development in our demo environments. You’ll play a contributor role to larger deals, and often lead pre-sales activities for smaller or less complex opportunities. You are a key part of the commercial engine, helping us scale by ensuring our technical pre-sales efforts are thorough, accurate, and client-focused.

This role will report to the Head of Demo Engineering and you’ll be part of a team that works on sales to Kaluza’s largest clients globally. You will have broad expertise on Kaluza’s product suite and our value differentiators and will develop depth in particular areas of our products. You will have a good understanding of the challenges facing energy retailers from a client or user perspective and be able to show-case how our solutions solve them..

You will play a crucial role in building product demonstrations and collateral that evangelises the Kaluza platform.

• Own and deliver demo activities for small to mid-size opportunities, especially during high team capacity periods. This includes configuring and delivering tailored product demonstrations and responding to client technical questions with clarity and confidence. • Support technical delivery on complex deals, working alongside senior team members to prepare solution configurations, contribute to discovery conversations, and ensure client requirements are well captured and translated. • Collaborate closely with Sales, Product, and Engineering teams to scope solutions, validate feasibility, and communicate trade-offs in a clear and client-friendly manner. • Lead or contribute to proof-of-concept (PoC) projects, ensuring they reflect client needs and demonstrate our platform’s ability to deliver measurable outcomes. Track PoC success criteria and highlight risks or gaps to the wider team. • Represent the Pre-Sales function in internal planning and alignment sessions, helping ensure technical accuracy, smooth handovers, and clear documentation for post-sale teams. • Document and share learnings from client engagements, including product feedback, recurring questions, and potential areas for improvement in our pre-sales approach or demo assets.