Senior Devops Platform Engineer

Leap29; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Leap29 is assisting a leading UK organisation in London to hire a Senior DevOps Platform Engineer. The role focuses on designing scalable AWS-based platforms, automating deployments and driving best-practice CI/CD and GitOps across complex cloud-native environments.

You will work across AWS, Kubernetes (EKS), Terraform/CloudFormation and modern CI/CD tooling to improve deployment automation, platform resilience and security. This is a London-based, on-site senior engineering position.

Qualifications

• Extensive hands-on AWS experience including VPC, IAM, EC2, S3, Lambda.
• Strong IaC experience using Terraform and/or CloudFormation.
• Kubernetes experience including EKS, Helm, RBAC and networking.
• Experience building CI/CD pipelines with GitLab, Jenkins or GitHub Actions.
• Knowledge of GitOps delivery models and ArgoCD tooling.
• Strong Linux systems administration and containerisation with Docker.
• Scripting in Bash, Python or PowerShell; security and compliance awareness.

Responsibilities

• Design, build and maintain scalable cloud infrastructure across AWS.
• Develop and manage IaC using Terraform and CloudFormation.
• Build and optimise CI/CD pipelines with GitLab CI/CD, Jenkins, or GitHub Actions; apply GitOps.
• Manage Kubernetes platforms including EKS, Helm deployments, RBAC and networking.
• Support containerisation with Docker and Kubernetes-based architectures.
• Implement monitoring and observability across distributed systems.
• Collaborate with development, security and architecture teams to improve delivery.

Skills

AWS

Terraform

Kubernetes

CI/CD

GitOps

Linux

Docker

Scripting

Tools

GitLab CI/CD

Jenkins

GitHub Actions

ArgoCD

CloudFormation

Job description

We are currently supporting a leading organisation looking to hire an experienced Senior DevOps Platform Engineer to join their cloud engineering function.

This is an excellent opportunity for a highly skilled DevOps professional to work on complex cloud-native environments, designing and automating scalable platforms across AWS, Kubernetes and modern CI/CD ecosystems.

The successful candidate will play a key role in building resilient cloud platforms, improving deployment automation, supporting containerised applications and driving DevOps best practices across enterprise environments.

Key Responsibilities

• Design, build and maintain scalable cloud infrastructure across AWS environments
• Develop and manage Infrastructure as Code solutions using Terraform, CloudFormation and automation frameworks
• Build and optimise CI/CD pipelines using GitLab CI/CD, Jenkins, GitHub Actions and GitOps methodologies
• Manage Kubernetes platforms including EKS, container orchestration, Helm deployments and cluster optimisation
• Support application containerisation using Docker and Kubernetes-based architectures
• Implement GitOps delivery models using tools such as ArgoCD and Helm
• Develop reusable automation frameworks for infrastructure provisioning, configuration management and deployments
• Improve platform reliability, scalability and security through automation and engineering best practices
• Support cloud migrations from traditional data centre environments into modern cloud-native platforms
• Implement monitoring, observability and logging solutions across complex distributed systems
• Work closely with development, security and architecture teams to improve software delivery processes

Required Experience

• Extensive hands-on AWS experience including VPC, IAM, EC2, S3, Lambda,
• CloudWatch, ECS/EKS and networking services
• Strong Infrastructure as Code experience using Terraform and/or CloudFormation
• Strong Kubernetes experience including EKS, Helm, RBAC, networking and container management
• Experience building and maintaining CI/CD pipelines using GitLab, Jenkins, GitHub Actions or similar tools
• Strong understanding of Linux systems administration and cloud infrastructure
• Experience with containerisation technologies including Docker and Kubernetes
• Experience with configuration management tools such as Ansible, Chef or similar
• Strong scripting ability using languages such as Bash, Python or PowerShell
• Understanding of cloud security principles including IAM, encryption, vulnerability management and compliance controls
• Experience working within regulated industries such as financial services, government or healthcare
• Experience with GitOps practices and tools such as ArgoCD
  Knowledge of service mesh technologies including Istio or similar
• Experience with monitoring and observability platforms such as Prometheus, Grafana, Dynatrace, New Relic, Splunk or ELK
• Experience supporting hybrid cloud environments across AWS, Azure, GCP or private cloud
• Experience with security tooling including Vault, SonarQube, OWASP, Checkov or vulnerability scanning solutions
• Experience supporting highly available, business-critical platforms

This role would suit a Senior DevOps Engineer, Platform Engineer, Cloud Infrastructure Engineer, Site Reliability Engineer or Cloud Automation Specialist looking to work on challenging enterprise environments.

Senior DevOps Platform Engineer London, United Kingdom