Senior DevOps, Infrastructure & Security Engineer

Senior DevOps, Infrastructure & Security Engineer

Full-Time 70000 - 100000 £ / year (est.) No working from home possible
Certus Sales Recruitment

At a Glance

  • Tasks: Lead the design and implementation of secure cloud environments and infrastructure.
  • Company: Join an ambitious fintech company revolutionising financial platforms.
  • Benefits: Competitive salary, hybrid work model, and professional development opportunities.
  • Other info: Enjoy significant ownership and technical autonomy in a dynamic team.
  • Why this job: Make a real impact by building secure, scalable systems in a high-growth environment.
  • Qualifications: 6+ years in engineering with focus on infrastructure, DevOps, or security.

The predicted salary is between 70000 - 100000 £ per year.

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 DevOps, Infrastructure & Security 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, DevOps, 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, DevOps, 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.

Senior DevOps, Infrastructure & Security Engineer employer: Certus Sales Recruitment

Join an innovative fintech company in London that values technical expertise and offers a hybrid work model, allowing you to balance your professional and personal life effectively. With a strong focus on employee growth, you'll have the opportunity to take ownership of critical infrastructure and security initiatives while working alongside engineering leadership to shape best practices in a highly regulated environment. Enjoy competitive compensation, comprehensive benefits, and the chance to make a significant impact as the business scales its next-generation financial platform.

Certus Sales Recruitment

Contact Details:

Certus Sales Recruitment Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior DevOps, Infrastructure & Security Engineer

Tip Number 1

Network like a pro! Reach out to folks in the fintech space, especially those who work at companies you're interested in. A friendly chat can open doors and give you insider info that could help you stand out.

Tip Number 2

Show off your skills! Create a portfolio or GitHub repo showcasing your projects, especially those related to cloud infrastructure and security. This gives potential employers a taste of what you can do beyond just a CV.

Tip Number 3

Prepare for interviews by brushing up on common DevOps scenarios and security challenges. Practise explaining your thought process and solutions clearly, as communication is key in this role.

Tip Number 4

Don't forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who take that extra step!

We think you need these skills to ace Senior DevOps, Infrastructure & Security Engineer

Infrastructure Management
Cloud Security
Vulnerability Management
Threat Modelling
Penetration Testing
Incident Response Planning
CI/CD Pipeline Development

Some tips for your application 🫡

Tailor Your CV:Make sure your CV reflects the skills and experiences that match the job description. Highlight your experience in DevOps, infrastructure, and security, especially in regulated environments like fintech.

Craft a Compelling Cover Letter:Use your cover letter to tell us why you're the perfect fit for this role. Share specific examples of your past work that demonstrate your ability to build secure and scalable environments.

Showcase Your Technical Skills:Don’t forget to mention your technical expertise! Include your experience with tools like Terraform, Kubernetes, and CI/CD platforms. We want to see how you can contribute to our tech stack.

Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates from us!

How to prepare for a job interview at Certus Sales Recruitment

Know Your Tech Inside Out

Make sure you’re well-versed in the technologies mentioned in the job description, like Terraform, Kubernetes, and CI/CD platforms. Brush up on your knowledge of cloud infrastructure and security practices, as you'll need to demonstrate your expertise during the interview.

Showcase Your Experience with Compliance

Since this role involves working in a regulated environment, be prepared to discuss your experience with compliance frameworks like SOC 2 and ISO 27001. Share specific examples of how you've contributed to compliance initiatives in previous roles to show you understand the importance of these standards.

Prepare for Scenario-Based Questions

Expect scenario-based questions that assess your problem-solving skills in real-world situations. Think about challenges you've faced in past roles, particularly around security incidents or infrastructure failures, and be ready to explain how you handled them.

Demonstrate Your Communication Skills

As a Senior DevOps Engineer, you'll need to communicate complex technical concepts clearly. Practice explaining your past projects and decisions in a way that’s easy to understand, as this will help you connect with the interviewers and showcase your ability to work collaboratively.