
Job Overview
Location
Cardiff, London or Remote (UK)
Job Type
Full-time
Category
Security Engineer
Date Posted
May 14, 2026
Full Job Description
đź“‹ Description
- • **Leading Monzo’s Security Engineering Vision**
- • This role is pivotal in shaping Monzo’s security engineering strategy, ensuring that the platform remains resilient against sophisticated threats while maintaining the trust of millions of users. As the Engineering Director of Security, you will drive the transition from reactive security measures to a proactive, secure-by-design architecture. Your leadership will embed security as a fundamental property of Monzo’s engineering culture, influencing how financial data and user funds are protected in a high-stakes, fast-growing fintech environment. This is not just a technical role—it’s a mission-critical position that balances deep engineering expertise with strategic leadership to safeguard one of the UK’s most innovative digital banks.
- • **Day-to-Day Responsibilities**
- • **Architectural Leadership**: Lead the design and implementation of secure-by-design principles across Monzo’s core platform primitives, including compute, storage, networking, and identity. Your work will ensure these systems are inherently secure, eliminating systemic risks at their root rather than addressing them reactively.
- • **Cross-Functional Collaboration**: Partner with product and engineering teams to integrate security into the product development lifecycle. You’ll foster a culture where security is not a bottleneck but an enabler, allowing teams to innovate rapidly without compromising safety.
- • **Team Management**: Oversee a high-performing group of engineering leaders and senior individual contributors, nurturing a diverse and inclusive team capable of tackling complex security challenges. Your leadership will empower engineers to deliver high-leverage tools and frameworks that align with Monzo’s speed-of-thought development pace.
- • **Strategic Advising**: Work closely with the CISO, CTO, and Product leaders to align the security roadmap with Monzo’s long-term business goals. Your insights will shape the future of Monzo’s platform, ensuring it remains secure as the company scales globally.
- • **Operational Excellence**: Set a high bar for engineering effectiveness, performance, and rigour within your teams. You’ll be responsible for operational excellence, ensuring that security practices are not only robust but also scalable and adaptable to evolving threats.
- • **Cultural Transformation**: Drive an engineering-first culture where security engineers are seen as software engineers first. Your leadership will help shift the perception of security from a compliance-driven function to a core engineering discipline, enabling teams to build secure systems by default.
- • **About Monzo**
- • Monzo is a trailblazer in the fintech industry, redefining how people interact with their money. From personal and business bank accounts to savings, investments, and pensions, Monzo offers a comprehensive suite of financial products designed to simplify and enhance users’ lives. With a customer-centric approach, Monzo combines cutting-edge technology with award-winning customer service to create magical moments for its users. The company’s mission is to make money work for everyone, and security is a cornerstone of that mission. As a fully licensed bank, Monzo handles sensitive financial data and user funds, making security a top priority. The Engineering Director of Security will play a critical role in maintaining and elevating Monzo’s reputation as a trusted, secure, and innovative financial platform.
- • **What You’ll Achieve**
- • **Impact at Scale**: Your work will directly influence the security posture of a platform used by millions of people. By embedding security into the fabric of Monzo’s engineering culture, you’ll help protect sensitive financial data and user funds from sophisticated adversaries, including state-level actors.
- • **Professional Growth**: This role offers unparalleled opportunities for growth, both technically and leadership-wise. You’ll work alongside some of the brightest minds in fintech, tackling complex challenges that require deep technical expertise and strategic thinking. Whether you’re refining cryptographic trust boundaries or leading a team of Principal Engineers, you’ll be at the forefront of security innovation in the financial sector.
- • **Cultural Influence**: You’ll have the chance to shape Monzo’s engineering culture, fostering an environment where security is not just a function but a fundamental value. Your leadership will help create a blameless, inclusive team where everyone can thrive and do their best work.
- • **Long-Term Vision**: By aligning the security roadmap with Monzo’s global mission, you’ll contribute to the long-term health and success of the business. Your strategic insights will help ensure that Monzo remains a leader in secure, customer-centric banking for years to come.
Skills & Technologies
Remote
ÂŁ170k-200k
About Monzo Bank Limited
Monzo Bank Limited is a UK-regulated digital bank offering personal, joint, and business accounts, savings, loans, overdrafts, and mortgages via a mobile-first platform. Licensed by the PRA and FCA, it provides real-time spending notifications, budgeting tools, and fee-free foreign transactions. Founded in 2015 as Mondo, it rebranded in 2016 and serves over nine million customers.
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