AppSec Staff Engineer

Location: Bristol or London Level: AppSec Staff Engineer (TL2) Team: Security Engineering, within the Cyber Security squad Contract: Permanent Reporting to: Senior Software Engineering Manager

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

You’ll join the Security Engineering team, working alongside our cyber security leadership, architecture team and technical leaders across engineering. Our mission is to equip teams to build and innovate while upholding security best practice and protecting client data in the highly regulated energy sector.

- Integrate security tooling and use AI to prevent, detect and respond to emerging threats - Work with senior technical leadership to shape our technical strategy and solutions architecture, so security, risk and compliance feed into technical decisions - Help product teams deliver secure systems quickly by building a strong security culture through mentoring, design reviews and training - Give product and engineering teams practical guidance on identifying, prioritising and mitigating systemic risks and vulnerabilities - Lead the evolution of our security best practice across application development and the wider SDLC, supporting teams with expert advice and automation - Influence technical and non-technical stakeholders across Kaluza and client teams - Mentor and coach security and software engineers to balance risk with speed and quality - Build relationships with third-party security vendors and industry bodies to keep us at the forefront of emerging practices, tooling and standards

What you’ll bring

Ideally, you’ll have: