Senior Security Engineer

Role

London (Hybrid) | 2 days in the office | Competitive Salary + Benefits

• Define, champion, and embed secure software development lifecycle (SSDLC) practices and secure coding standards across engineering teams through collaboration, training, and tooling.
• Perform threat modelling exercises for cloud‑native applications, microservices, and infrastructure components.
• Manage internal and external penetration testing engagements for Funding Circle applications, services, and cloud infrastructure.
• Collaborate closely with Cloud Platform Engineers, DevX and Product Engineering to ensure security requirements are integrated into system designs and technology choices from the outset.
• Act as a subject‑matter expert on DevSecOps, application security, and cloud security (AWS), providing guidance and mentorship to other engineers.
• Contribute to drive implementation of security automation across cloud infrastructure configuration, vulnerability management, and compliance monitoring.
• Design, implement, and support the adoption of robust security architectures, controls, and best practices within our AWS cloud environment.

What we’re looking for

We value deep expertise, but a growth mindset and good energy are what really make our team click.

• Application & Cloud Security Expertise: Over 3 years of information security experience with a deep focus on application/product security, complemented by strong expertise in securing AWS environments and Infrastructure as Code (IaC).
• Champion for Secure Development: Proven track record of defining, implementing, and driving the adoption of secure software development lifecycle (SSDLC) practices and secure coding standards within engineering teams.
• Security Automation & CI/CD Integration: Hands‑on experience architecting and integrating a suite of security tools (SAST, DAST, SCA, IAST, secrets management) and automated controls directly into CI/CD pipelines like GitLab CI, Jenkins, or GitHub Actions.
• Vulnerability Management & Threat Intelligence: Deep understanding of web application vulnerabilities (OWASP Top 10) and experience contributing to vulnerability management programs.
• Container & Orchestration Security: Solid knowledge of container security best practices and securing container orchestration platforms, specifically Kubernetes and AWS EKS.
• Frameworks & Compliance: Strong knowledge of key security frameworks (NIST CSF, MITRE ATT&CK) and standards (CIS Benchmarks, OWASP ASVS), with experience managing external penetration testing and coordinating remediation efforts.

Skills we’d love to see

• Experience with specific security platforms/tools (e.g., Wiz, Snyk, Checkmarx, Veracode). Relevant advanced security certifications (e.g., AWS Certified Security – Specialty, CISSP, CCSP, OSCP/OSWE).
• Proficiency in security automation using scripting languages (e.g., Python).
• Experience working in FinTech or other highly regulated environments.
• Experience with mobile application security principles and testing.

Benefits

• Flexibility: We provide a benefit allowance you can tailor to your own life and family.
• Health: This includes private medical and dental, health assessments, and access to a digital GP.
• Wealth: We offer life assurance, share schemes, and financial coaching.
• Development: You get a dedicated annual learning allowance to help you level up.
• Lifestyle: We have electric car and cycle‑to‑work schemes, plus season ticket loans.

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