Overview

Job title: Head of Information Security

Location: London / Bristol (Including Hybrid)

Salary: £141,000 - £164,000

Team: Technology

Reporting To: Director of Product, Enterprise Platform

Location requirement: This role is based in the UK and requires existing right to work in the UK. Visa sponsorship is not available at this time. The sponsorship policy is evaluated on a role-by-role basis. Stay informed about future opportunities on our careers site.

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, North America, 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. We embrace a flexible, hybrid work model and focus on thoughtful, team-driven approaches that support business impact and individual well-being.

What you’ll be doing

You will lead, mentor, and grow our global team of Security and Identity specialists, setting the technical direction and creating a culture of continuous improvement. Your primary mission is to embed robust security across the entire product lifecycle, collaborating with engineering and product leaders to achieve strategic goals. You will be the senior voice for security, champion awareness programs, develop client-facing IAM capabilities, and ensure compliance with rigorous international standards. This is a highly visible role representing Kaluza’s security capabilities to clients, the industry, and the board. You’ll be working across Kaluza Retail, Energy Optimisation and Customer Care Platforms to revolutionise operating platforms for energy retailers globally. This platform supports decarbonisation efforts for our customers and is built with scale and technical quality in mind.

You will lead, mentor, and grow our high-performing, global team of Security and Identity specialists, setting the technical direction and creating a culture of continuous improvement. You will collaborate with engineering and product leaders to embed security across the product lifecycle and align security practices with strategic goals, while engaging diverse teams to understand and support their needs. You will develop and maintain Kaluza’s cloud, application, SecOps and workplace security capabilities and report on security posture, risk, compliance status, and improvement initiatives. You will represent Kaluza’s Security & Identity capabilities with our clients and across the industry.

Responsibilities

• Provide technical and strategic leadership for cyber security, Identity and Access Management at Kaluza.
• Develop Kaluza’s Identity and Access Management capabilities in collaboration with product teams to meet client needs.
• Embed security by design and DevSecOps practices across engineering, aligned with regulatory requirements.
• Ensure security posture meets global standards (e.g., ISO27001) and local market requirements.
• Lead, mentor and develop a distributed team across UK, Europe and Australia.
• Collaborate with product and engineering to embed security across the product lifecycle and support diverse teams.
• Develop and maintain cloud, application, SecOps and workplace security capabilities.
• Champion security with the executive team and board; report on security posture, risk, compliance, and improvements.
• Lead information security awareness and secure coding education programs for technology teams and the wider business.
• Represent Kaluza’s Security & Identity capabilities with clients and the industry.

About you

• Proven experience in a senior leadership role responsible for an organisation’s end-to-end information security function.
• Experience working with product teams to develop and execute a multi-year cybersecurity strategy roadmap.
• Strong people leadership skills with a track record of hiring, mentoring, and scaling distributed security teams.
• Experience with cloud security architectures (AWS preferred), containers, microservices, serverless IAM solutions.
• Experience implementing Governance, Risk and Compliance (GRC) standards; leading audits for ISO 27001, SOC 2, or regional data-privacy laws.
• Excellent communication and stakeholder management skills with experience presenting to executives and the board.
• Experience as a senior security expert in commercial and client-facing discussions.

What will set you apart

• Certifications such as CISSP, CSSLP, CASP+, CISM, CCSP, SABSA are preferred.
• Additional cloud security and DevOps certifications are beneficial.

Kaluza values

We have five core values: We’re on a mission, We build together, We’re inclusive, We get it done, We communicate with purpose. Read more on our careers site.

From us you’ll get

• Pension Scheme
• Discretionary Bonus Scheme
• Private Medical Insurance + Virtual GP
• Life Assurance
• Access to Furthr - a Climate Action app
• Free Mortgage Advice and Eye Tests
• Perks at Work - thousands of retail discounts
• 5% Flex Fund
• 26 days holiday
• Flexible bank holidays + 8 extra days
• Progressive leave policies including 26 weeks full pay for new family
• Personal learning and home office budgets
• And more…

We’re keen to meet people from all walks of life and welcome applicants who may not tick every box but are excited about joining us. Find out more on our careers page and LinkedIn. Applicant Data Protection Policy available on our site.

Seniority level: Director • Employment type: Full-time • Job function: Information Technology • Industries: Technology, Information and Internet