Head of Security Architecture in London

hackajob is collaborating with Kingfisher to connect them with exceptional tech professionals for this role. We’re Kingfisher, a team made up of over 74,000 passionate people who bring Kingfisher - and all our other brands: B&Q, Screwfix, Brico Depot, Castorama and Koctas - to life. We want to become the leading home improvement company and grow the largest community of home improvers in the world.

At Kingfisher, our customers come from all walks of life, and so do we. We want to ensure that all colleagues, future colleagues, and applicants to Kingfisher are treated equally regardless of age, gender, marital or civil partnership status, colour, ethnic or national origin, culture, religious belief, philosophical belief, political opinion, disability, gender identity, gender expression or sexual orientation.

We are open to flexible and agile working, both of hours and location. Therefore, we offer colleagues a blend of working from home and our offices. This role would require a weekly presence in both our London & Southampton offices.

As Head of Security Architecture, you’ll lead the strategy and practices that ensure our technology is secure by design and supports a safe, trusted digital experience for our customers and colleagues. You’ll guide how security principles are embedded into solutions across the business, helping us protect what matters and enabling teams to deliver with confidence.

• Develop and deliver a clear security architecture strategy that supports Kingfisher’s goals and provides Security Architecture as a service.
• Lead monitoring of the technical environment and champion best‑practice security to protect the confidentiality, integrity and availability of data and systems.
• Influence Technology leaders to ensure security is embedded in their initiatives, with early engagement and constructive challenge.
• Guide and support project and change teams so solutions maintain and enhance Kingfisher’s security posture.
• Embed security reviews into processes for in‑house and third‑party solutions, including long‑term and strategic programmes.
• Establish and maintain threat‑modelling practices and frameworks that support the design and implementation of effective security controls.
• Provide leadership to the Security Architecture team, fostering a proactive, collaborative and service‑focused culture.
• Strong experience delivering and maintaining enterprise security solutions across areas such as endpoint, cloud, network security, DevOps, monitoring and remediation.
• Deep understanding of IT security principles, standards and frameworks (e.g., ISO 27001, NIST, PCI DSS, cloud security standards).
• Proven ability to translate complex security concepts for both technical and non‑technical colleagues.
• Experience shaping security governance, tracking risks, and embedding effective service provision within a team.
• Ability to build trusted relationships at all levels and collaborate across teams to drive continuous improvement.

• I listen to my customers
• I use available data to help make decisions

• I do the right thing
• I am respectful

• I build and share new ideas
• I try new things and share my learnings

• I have courage to be creative
• Done is better than perfect, I aim for 80/20

• I embrace allyship
• I have self-awareness and a desire to learn

• I own my actions
• I understand the Kingfisher plan and how it relates to my role

At Kingfisher, we value the perspectives that any new team members bring, and we want to hear from you. We encourage you to apply for one of our roles even if you do not feel you meet 100% of the requirements. In return, we offer an inclusive environment, where what you can achieve is limited only by your imagination! We encourage new ideas, actively support experimentation, and strive to build an environment where everyone can be their best self. We also offer a competitive benefits package and plenty of opportunities to stretch and grow your career.

Interested? Great, apply now and help us to Power the Possible.