Senior Platform Engineer: Kubernetes & Infra

Cosine; England; On-site; GBP 70,000 - 90,000; Full time

Job summary

A cutting-edge technology startup in the United Kingdom is seeking a Senior Platform / Infra Engineer to own and optimize their core infrastructure, focusing on Kubernetes and cloud deployment. This high-ownership position requires a strong background in building production environments, CI/CD practices, and collaboration with development teams. Ideal candidates will have over 5 years of experience in cloud services and appreciate the startup mindset, thriving in fast-paced and evolving projects.

Qualifications

• 5+ years building and operating production infrastructure on a major cloud (AWS, GCP, or Azure).
• Experience with CI/CD tools and process improvements.
• Strong scripting skills in at least one modern language (e.g. TypeScript, Go, Python).

Responsibilities

• Own core infrastructure and design Kubernetes-based platform.
• Build and maintain CI/CD pipelines for efficient deployments.
• Define SLOs/SLIs and improve observability stack.

Skills

Infrastructure as Code (IaC)

Kubernetes

Scripting and programming skills

Reliability and uptime management

CI/CD implementation

Tools

Pulumi

Terraform

Prometheus

Grafana

Job description

A cutting-edge technology startup in the United Kingdom is seeking a Senior Platform / Infra Engineer to own and optimize their core infrastructure, focusing on Kubernetes and cloud deployment. This high-ownership position requires a strong background in building production environments, CI/CD practices, and collaboration with development teams. Ideal candidates will have over 5 years of experience in cloud services and appreciate the startup mindset, thriving in fast-paced and evolving projects.