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# Security Engineer (Web Application Firewall)

- **Company:** Lloyds Banking Group
- **Location:** Manchester, UK
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Application Firewall, Application Layers, Botnet, Cloud Database, Cloud Engineering, Continuous Integration, Data Centers, DevOps, Domain Name System (DNS), Python (Programming Language), Transport Layer Security, Cloud Platform System, Software Security, Infrastructure Automation Frameworks, Terraform, Ddos
- **Published:** September 13, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/security-engineer-web-application-firewall/46639923

## About the Role

Tomorrow' scheme. You can decide how much you save and get a say in where your contributions are invested. Ability to contribute to complex technical investigations, diagnose issues under pressure and develop robust solutionsExperience in any of the following: Application Security, API Security, Bot Protection, and Layer 7 DDoS mitigationWe 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 applyConfidence to influence engineering decisions and contribute to the team's technical directionSolid understanding of networking and web fundamentals, including HTTP/S, DNS, TLS and platform security conceptsStrong automation and scripting skills (Python preferred), with practical experience using Infrastructure-as-Code tools (Terraform preferred) and modern CI/CD pipelinesA strong engineering
mindset, with hands-on experience of edge, on-premises or cloud-native WAF technologiesProfessional-level cloud certifications and/or recognised security or network engineering accreditationsInterest in or experience with developing AI solutions to augment security solutionsDemonstrable experience with Cloud-based data warehouse technologies #J-18808-Ljbffr

## Description

You'll be a key engineer responsible for designing, implementing, evolving and maintaining our Web Application Firewall (WAF) platforms, protecting critical customer-facing services at scale You'll use modern engineering practices, including automation and secure-by-default design, to improve the resilience, performance and security of our edge, data centre and cloud environments. The role offers real scope to influence technical direction, raise engineering standards, and develop our WAF and wider Layer 7 security services Day to day, you'll work with a high degree of autonomy and contribute technical influence across the team. Your responsibilities will include: Design, implement and continuously optimise WAF security controls, developing and tuning rules and policies to improve protection against emerging threats while minimising false positives and maintaining a seamless customer experience Engineer new WAF capabilities using Infrastructure as Code, CI/CD pipelines and, basic salary and can be used to spend on the benefits of your choice, or you can choose to take it as a cash top up in your monthly salary. Health insurance: Our company funded Private Medical Benefit provides all colleagues with access to good quality medical care, including accommodation, nursing care and specialist advice. Colleague Offers: Get discounts on everything from electrical items to cinema tickets and weekly food shopping. You can share this benefit with up to ten family members or friends. Financial products: Take advantage of our great financial products, some at a discounted rate, including current accounts, home and car insurance and loans. Share plans: Participate in Sharematch and receive matching shares of up to £45 a month from the company, and you can choose to participate in Sharesave, our combined savings and share option plan. Pension: We offer a generous pension plan, with all joiners being automatically enrolled in our 'Your


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