WAF Security Engineer

If you think all banks are the same, you’re wrong. We’re a pioneering, fast-changing business that’s shaping finance as a force for good. If you’re after a role where you can have an impact and do the best work of your career, you’ve just found it

Shape the future of WAF and Web Application Security capabilities across Lloyds Banking Group.

Contribute to engineering standards, patterns and guardrails used across multiple teams and platforms.

Work alongside highly skilled engineers in a culture that values modern engineering, automation and continuous improvement.

Continue to develop your knowledge in Layer 7 controls and modern engineering practices.

A strong engineering mindset, with hands-on experience of edge, on-premises or cloud-native WAF technologies.

Solid understanding of networking and web fundamentals, including HTTP/S, DNS, TLS and platform security concepts.

Experience in any of the following: Application Security, API Security, Bot Protection, and Layer 7 DDoS mitigation.

Strong automation and scripting skills (Python preferred), with practical experience using Infrastructure‑as‑Code tools (Terraform preferred) and modern CI/CD pipelines.

Ability to contribute to complex technical investigations, diagnose issues under pressure and develop robust solutions.

Confidence to influence engineering decisions and contribute to the team’s technical direction.

Professional‑level cloud certifications and/or recognised security or network engineering accreditations.

Demonstrable experience with Cloud-based data warehouse technologies.

Interest in or experience with developing AI solutions to augment security solutions.

We know that great talent comes from many backgrounds. Whilst this job advert may reference specific years of experience, we recognise that skills are developed in many ways, so if you have relevant, transferable experience, we encourage you to apply.

Our ambition is to be the leading UK business for diversity, equity and inclusion supporting our customers, colleagues and communities, and we’re committed to creating an environment in which everyone can thrive, learn and develop.

We were one of the first major organisations to set goals on diversity in senior roles, create a menopause health package, and a dedicated Working with Cancer Initiative.

We offer reasonable workplace adjustments for colleagues with disabilities, including flexibility in office attendance, location and working patterns. And, as a Disability Confident Leader, we guarantee interviews for a fair and proportionate number of applicants who meet the minimum criteria for the role with a disability, long-term health or neurodivergent condition through the Disability Confident Scheme.

We provide reasonable adjustments throughout the recruitment process to reduce or remove barriers. Just let us know what you need.

At Lloyds Banking Group, we're driven by a clear purpose; to help Britain prosper. Across the Group, our colleagues are focused on making a difference to customers, businesses and communities. With us you'll have a key role to play in shaping the financial services of the future, whilst the scale and reach of our Group means you'll have many opportunities to learn, grow and develop.

We keep your data safe. So, we'll only ever ask you to provide confidential or sensitive information once you have formally been invited along to an interview or accepted a verbal offer to join us which is when we run our background checks. We'll always explain what we need and why, with any request coming from a trusted Lloyds Banking Group person.

We're focused on creating a values-led culture and are committed to building a workforce which reflects the diversity of the customers and communities we serve. Together we’re building a truly inclusive workplace where all of our colleagues have the opportunity to make a real difference.