Service Reliability Engineer - London

Salary: £65,000 - 105,000 per year

Requirements:

• We are looking for deep, hands-on experience in SRE, DevOps, or Platform Engineering across both AWS and Azure.
• We need strong production experience operating Docker and Kubernetes.
• We require proficiency in administering both Linux and Windows.
• We need practical, enterprise-level experience supporting IIS/.NET applications and Java Spring Boot services.
• We are looking for experience building and maintaining CI/CD pipelines, primarily with GitHub Actions; Bamboo experience is a plus.
• We require scripting ability in Python, PowerShell, or Bash.
• We need experience with cloud security best practices, including IAM, secrets management, and container/image scanning.
• We are looking for understanding of core infrastructure fundamentals, including networking, storage, DNS, and APM/telemetry tooling.
• We value practical experience with agentic AI for operations, including incident triage, runbooks, and change management, with clear guardrails, auditability, and human-in-the-loop controls.
• We value experience supporting AI/ML workloads at scale, including SageMaker endpoints, GPU node groups, autoscaling, and Kubernetes-based model serving.
• We value policy-as-code and compliance implementation across CIS, NIST, and ISO 27001, with automated remediation integrated via CSPM tools such as Wiz.
• We value hands-on Agile delivery experience and active participation in stand-ups and sprint ceremonies.

Responsibilities:

• We lead the delivery of reliable, scalable, mission-critical services.
• We guide squads on Kubernetes and modern deployment patterns.
• We mentor associate engineers and establish best practices in our areas of expertise.
• We partner closely with development squads and operations to design and advance service builds, DevOps tooling, and operational excellence.
• We partner with Core Engineering to architect and govern GitHub Actions CI/CD with quality gates, canary/blue-green strategies, and AI-assisted redeploy checks.
• We own observability in Datadog, including SLIs/SLOs, dashboards, alerting, and MS Teams integrations.
• We reduce incidents through telemetry-driven automation and blameless postmortems.
• We champion AI-enabled operations using AWS Bedrock, SageMaker, and Model Context Protocol for log analysis, anomaly detection, incident triage, and workflow orchestration.
• We define and enforce cloud guardrails and security controls in partnership with Security and Risk.
• We influence cross-functional roadmaps, lead complex release planning, and drive strategic platform initiatives across CI&PE.
• We serve as an escalation point and participate in the L3 on-call rotation.

Technologies:

• Agentic AI
• AI
• AWS
• Architect
• Azure
• Bamboo
• Bash
• CI/CD
• Cloud
• Datadog
• DevOps
• Docker
• Embedded
• GitHub
• IAM
• Support
• Java
• Kubernetes
• Linux
• Model Serving
• MS Teams
• PowerShell
• Python
• Security
• Spring
• Spring Boot
• Windows
• ASP.NET
• NodeJS
• DevSecOps
• MCP

More:

We are Fitch Group, a leading global financial information services provider delivering credit and risk insights, robust data, and dynamic tools to support efficient, transparent financial markets. With more than 100 years of experience, colleagues in over 30 countries, and dual headquarters in London and New York, we include Fitch Ratings and Fitch Solutions and are owned by Hearst. Our Technology & Data team is a dynamic environment focused on innovation, AI, cloud solutions, and modern technology, and we are proud to be recognized by Built In as a Best Place to Work in Technology for three years in a row. This Service Reliability Engineer role is based in our London office and embedded with Fitch Ratings global development squads, with a focus on ensuring excellence in our services and supporting new AI development. We offer a hybrid work environment with 2 to 3 days a week in the office, learning and mobility opportunities, retirement planning, tuition reimbursement, comprehensive healthcare, generous global parental leave, an inclusive workplace, and paid volunteer and matching donation opportunities.

last updated 36 week of 2026