Senior Platform Engineer

About the Role

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Our client is scaling its cloud infrastructure to support a fast-growing SaaS product used by a large base of enterprise customers. As Senior Platform Engineer, you will own the internal developer platform, improve reliability and deployment speed, and mentor a small team of engineers.
Key Responsibilities
Design, build and maintain Kubernetes-based infrastructure on AWS
Own CI/CD pipelines and drive adoption of GitOps practices
Build self-service tooling that lets product teams ship without platform bottlenecks
Improve observability, incident response and SLO tracking
Lead infrastructure-as-code standards using Terraform
Champion security and cost optimisation across the platform
Essential Requirements
5+ years in platform, DevOps or SRE roles
Strong hands-on Kubernetes and Docker experience
Production experience with AWS
Proficiency in Terraform or equivalent IaC
Scripting ability in Python or Go
Experience with CI/CD tooling (GitHub Actions, GitLab CI or Jenkins)
Desirable
Experience with xwzovoh ArgoCD or Flux
Prometheus, Grafana or Datadog
Exposure to SOC 2 or ISO 27001 environments
Previous team leadership or mentoring experience
What's On Offer
28 days holiday plus bank holidays
Pension with 6% employer contribution
£1,500 annual learning budget
Flexible working hours
Modern tech stack with genuine time for engineering improvement