Senior DevSecOps Engineer

Reference: LTs

Senior DevSecOps Engineer
London (Hybrid – 1 day per week in office)
£70,000–£100,000 + Benefits

Certus Recruitment is partnering with an ambitious fintech business building a next-generation regulated financial platform. As they move from proof-of-concept to full production deployment, they are seeking a Senior DevSecOps Engineer to take ownership of the operational, infrastructure, and security foundations that will support long-term growth.
This is a high-impact role for someone who enjoys building secure, scalable, and compliant environments from the ground up. You'll become the technical authority across infrastructure, cloud operations, DevSecOps, platform security, and compliance readiness, ensuring the business can meet the rigorous standards expected within a regulated financial environment.
Working closely with engineering leadership, you will be responsible for creating the systems, controls, processes, and evidence required to support a secure and auditable production platform.
Key Responsibilities

• Own infrastructure, platform security, and operational readiness across the business
• Design and implement secure cloud environments and production-grade infrastructure
• Lead security initiatives including vulnerability management, threat modelling, penetration testing, and incident response planning
• Build and evolve CI/CD pipelines, release management processes, and deployment automation
• Establish observability, monitoring, logging, alerting, and operational runbooks
• Manage secrets, key custody, access controls, and infrastructure governance
• Deliver backup, disaster recovery, and business continuity strategies
• Drive compliance readiness for SOC 2, ISO 27001, and regulatory audits
• Partner with software engineering teams to ensure applications are secure, observable, and production-ready
• Lead infrastructure migration and cloud hardening initiatives

Required Experience

• 6+ years of engineering experience with at least 3 years focused on infrastructure, DevSecOps, platform engineering, or security
• Proven experience operating within highly regulated environments such as fintech, banking, payments, financial services, healthcare, defence, or similar sectors
• Experience taking systems from early-stage development through to secure production deployment
• Strong background in cloud infrastructure, automation, and operational security
• Experience supporting or leading SOC 2 Type II and/or ISO 27001 programmes
• Strong documentation and communication skills with the ability to create clear technical and compliance-focused artefacts
• Comfortable acting as the subject matter expert across security, infrastructure, and operational best practices

Technical Experience

• Terraform and Infrastructure-as-Code environments
• Kubernetes, Docker, and containerised application deployment
• Modern CI/CD platforms including GitHub Actions, Cloud Build, Buildkite, CircleCI, or similar
• Cloud platforms, ideally GCP
• Observability tooling including Prometheus, Grafana, OpenTelemetry, or equivalent
• PostgreSQL operations, backup, recovery, and data durability
• Identity management, API gateways, networking, and access controls
• Bash and Python scripting for automation and tooling

Desirable Experience

• Exposure to blockchain infrastructure, digital assets, or cryptocurrency ecosystems
• Experience with HSM, KMS, key management, or cryptographic systems
• Familiarity with Kubernetes security, service meshes, and zero-trust architectures
• Knowledge of event-driven architectures and messaging platforms such as Kafka
• Understanding of UK financial services regulation and compliance frameworks
• Experience supporting cloud migrations and multi-environment platform strategies

This is an opportunity to join a business at a pivotal stage of growth and play a leading role in building the infrastructure and security foundations of a highly regulated financial platform. The successful candidate will enjoy significant ownership, technical autonomy, and the opportunity to shape best practices from the ground up.
For a confidential discussion and full details, contact Certus Recruitment today.
Certus Recruitment is a well-established and experienced specialist consultancy providing GTM and Technical recruitment services. We serve the technology sector across the UK, Europe, North America, and Australia.