Senior Security Engineer

As our next Senior Security Engineer, you’ll play a key role in helping us build the UK’s go-to home improvement marketplace. By shaping and strengthening our security posture, you’ll ensure our platform remains safe, resilient, and trusted as we scale. Your work will directly support millions of homeowners in finding the right tradesperson for the job fast, fair, and without the faff by protecting the systems and data that power those connections. Forget long lists, here’s what you’ll actually spend your time on : - Security Engineering & Architecture: Lead the design and implementation of highly available, scalable security controls and services across a multi-cloud environment. - Security Operations & Incident Response: Mature and lead detection, analysis, and containment capabilities, driving post-incident remediation and preventative measures. - AI-Driven Security Transformation: Spearhead the evaluation, prototyping, and deployment of agentic AI patterns to automate security tasks, enhance threat detection, and transform engineering throughput. Build and refine AI agents to augment the security team’s capabilities. - Tooling & Automation Mastery: Take ownership of the security tooling lifecycle, from evaluation and deployment to configuration and continuous maturity across infrastructure. - Secure Onboarding & Assurance: Perform technical deep-dive security reviews for new applications, development stacks, and infrastructure changes, enforcing the principle of least privilege. About us We’re Checkatrade – the UK’s leading platform for finding a tradesperson. With more than 50,000 trades listed and over 6 million reviews, we help homeowners get jobs done right and help tradespeople grow their business. We’re growing fast, with big plans to become the go-to brand for home improvements. If you care about great work, take pride in the details, and want to make an impact, you’ll fit right in.