Senior Platform Engineer — AWS/Kubernetes, CI/CD, Hybrid London

Sightline; City of London; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

A climate tech firm in London is seeking an experienced Platform Engineer to scale and evolve their climate intelligence platform. The role involves managing AWS infrastructure and Kubernetes clusters while developing CI/CD pipelines. Candidates should have 8+ years in platform engineering and experience with AWS services and infrastructure as code. This position offers generous stock options and 25 days annual leave plus bank holidays.

Benefits

Generous stock options

25 days annual leave + bank holidays

Opportunity to work at a fast-growing climate tech startup

Qualifications

• 8+ years of experience in Platform Engineering, DevOps, SRE, or similar roles.
• Strong experience with AWS (ECS, CloudFormation, CloudWatch, RDS, VPC, IAM).
• Experience managing Kubernetes clusters in production environments.
• Proficiency with CI/CD pipelines.
• Experience with infrastructure as code (CloudFormation, CDK, Terraform, etc.).
• Knowledge of security best practices for cloud infrastructure.

Responsibilities

• Design, build, and maintain the core AWS‑based platform that supports data and web products.
• Manage Kubernetes clusters, ensuring high availability and optimal performance.
• Develop and maintain CI/CD pipelines using GitHub Actions for automated testing and deployment.
• Create and maintain infrastructure as code to ensure consistent, repeatable environments.
• Establish strong observability through metrics, logging, and alerting systems.

Skills

Platform Engineering

AWS

Kubernetes

CI/CD pipelines

Infrastructure as code

Communication skills

Tools

GitHub Actions

CloudFormation

Terraform

Job description

A climate tech firm in London is seeking an experienced Platform Engineer to scale and evolve their climate intelligence platform. The role involves managing AWS infrastructure and Kubernetes clusters while developing CI/CD pipelines. Candidates should have 8+ years in platform engineering and experience with AWS services and infrastructure as code. This position offers generous stock options and 25 days annual leave plus bank holidays.