Senior Site Reliability Engineer - FinTech / Global Payments - London HQ / Remote First

Future plc; Remote; GBP 55,000 - 75,000; Full time

Job summary

A leading technology company in the UK is seeking a skilled Site Reliability Engineer (SRE) to champion core SRE practices and enhance system reliability through automation and monitoring. Candidates should have strong programming skills in Python or Go, knowledge of observability tools such as Prometheus and Grafana, and a solid understanding of Linux and networking fundamentals. This role offers the opportunity to collaborate with development teams and promote a DevOps culture within the organization.

Qualifications

• Strong grounding in SRE principles and operational best practices.
• Proficient with observability tools and telemetry pipelines.
• Solid programming skills in Python and/or Go; Java experience is a plus.

Responsibilities

• Champion core SRE practices including defining SLIs, SLOs, and SLAs.
• Refine KPIs for data-driven decisions on reliability and availability.
• Monitor systems to ensure optimal performance and capacity planning.

Skills

SRE principles

Observability tools

Python programming

Go programming

Linux fundamentals

Networking fundamentals

Infrastructure as Code

Containerisation

Tools

Prometheus

Grafana

Terraform

Docker

Kubernetes

GitHub Actions

Jenkins

Kafka

Job description

Responsibilities

• Champion core SRE practices : define SLIs / SLOs / SLAs, reduce toil through automation, and plan for Disaster Recovery.
• Refine KPIs to support data-driven decisions around reliability and availability.
• Monitor systems to ensure optimal performance, cost-efficiency, and capacity planning.
• Collaborate with dev teams to build resilient, observable, and maintainable features.
• Promote DevOps culture by leading knowledge-sharing sessions and supporting issue resolution.

Qualifications

• Strong grounding in SRE principles and operational best practices.
• Proficient with observability tools (Prometheus, Grafana, OTEL, Cloudwatch) and telemetry pipelines.
• Solid programming skills in Python and / or Go; Java experience a plus.
• Strong Linux and networking fundamentals (TCP, DNS, TLS, HTTP).
• Familiarity with IaC (Terraform), CI / CD (GitHub Actions, Jenkins), and Agile workflows.
• Experience with containerisation (Docker, Kubernetes) and stream processing (Kafka a plus).