Senior DevOps Engineer Cardiff

As a Senior DevOps Engineer, you’ll take ownership of the design, build, and operation of our infrastructure across both on‑premise environments and Microsoft Azure. You’ll play a key role in ensuring our platforms are secure, resilient, scalable, and easy for engineering teams to work with. This role suits someone with deep hands‑on experience who enjoys operating close to the systems that keep the business running. You’ll work closely with software engineers, security teams, and technical leadership to support high‑traffic, customer‑facing platforms used by customers with specialist medical needs. You’ll have a direct impact on how we build, deploy, monitor, and secure our systems. From CI/CD pipelines and Linux servers to networking, cloud architecture, and cyber security, your work will shape the reliability and safety of our customer journey and internal systems. We’re looking for a senior individual with strong technical judgement, a security‑first mindset, and the confidence to lead by example.

Key Responsibilities

• Design, build, and maintain infrastructure and security across on‑premise environments and Microsoft Azure Cloud.
• Take ownership of Linux‑based systems, ensuring they are secure, stable, and well maintained.
• Build, maintain, and improve CI/CD pipelines to support reliable and repeatable software delivery.
• Work closely with software engineering teams to enable efficient development, testing, and deployment workflows.
• Design and manage networking components, including firewalls, load balancers, DNS, routing, and connectivity between on‑prem and cloud.
• Implement and maintain monitoring, logging, and alerting to ensure platform reliability and fast incident response.
• Lead on infrastructure security, vulnerability management, patching, and hardening of systems.
• Support incident response, root cause analysis, and continuous improvement following outages or security events.
• Contribute to architectural decisions around scalability, resilience, and disaster recovery.
• Maintain clear technical documentation to support operations, onboarding, and audit requirements.
• Act as a technical mentor, sharing best practices and raising DevOps and security maturity across teams.

Skills, Knowledge and Expertise

• Strong commercial experience working as a DevOps or Infrastructure Engineer in a Linux‑heavy environment.
• Deep knowledge of Linux systems administration, troubleshooting, and performance tuning.
• Hands‑on experience designing and operating infrastructure in Microsoft Azure.
• Strong understanding of networking concepts, including TCP/IP, routing, firewalls, VPNs, and load balancing.
• Proven experience building and maintaining CI/CD pipelines using modern tooling.
• Solid understanding of security principles, including system hardening, identity and access management, and secure networking.
• Experience with infrastructure automation and configuration management.
• Strong experience with Terraform and Bicep, as well as other Infrastructure as Code tools and practices.
• Experience with observability tools such as Grafana, Datadog, Prometheus, or similar.
• Strong problem‑solving skills and the ability to remain calm and effective during incidents.
• Clear communication skills and a collaborative, pragmatic approach.

Desirable Skills

• Experience operating hybrid environments spanning on‑premise and cloud infrastructure.
• Knowledge of containerisation technologies such as Docker and container orchestration platforms.
• Experience with version control systems such as Git.
• Familiarity with compliance, audit, and regulatory requirements in security‑sensitive environments.
• Experience working closely with security teams on threat modelling and cyber risk reduction.
• Understanding of application architecture and how infrastructure choices affect performance and reliability.

Key Competencies

• At least 5 years commercial experience in a senior DevOps, SRE, or infrastructure‑focused role.
• Proven experience owning and operating business‑critical systems.
• Comfortable working independently and taking responsibility for complex, distributed environments.
• Strong commercial mindset, with an understanding of how availability, security, and performance impact customer trust and revenue.
• Passionate about improving reliability, security, and developer experience through automation and good design.

Benefits

• Comprehensive Cover: Work with a wide range of travel insurance products, including single‑trip, multi‑trip, and specialised policies such as winter sports and backpacking insurance.
• Generous Holiday Allowance: Starting 24 days of annual leave.
• Comprehensive Benefits Package: Includes a company‑paid health cash plan, company pension, holiday buy scheme, travel insurance discounts, and more.
• Professional Growth: Access to extensive training on AllClear and InsureandGo products and sales techniques, with opportunities for career advancement.
• Supportive Environment: Join a team that values collaboration, innovation, and customer satisfaction.
• Convenient Location: Based in Romford or Cardiff with easy access to local amenities and transport links.