Site Reliability Engineer

Oscar Technology; London; On-site; GBP 150,000 - 200,000; Full time

Job summary

A fast-growing company is seeking an experienced Site Reliability Engineer (SRE) for a 6-month contract. You'll lead efforts in AWS and Azure cloud environments, emphasizing automation and performance. Strong communication and stakeholder engagement are vital in this role, making it ideal for candidates from start-ups or smaller teams.

Qualifications

• 3-5 years SRE or DevOps experience across AWS and Azure platforms.
• Strong knowledge of Terraform, scripting (Python, Bash, PowerShell).
• Comfortable with containerisation and orchestration (Docker, Kubernetes).

Responsibilities

• Design, deploy, and manage scalable, secure cloud environments across AWS and Azure.
• Lead on Terraform-based IaC and support cloud-native infrastructure evolution.
• Build and optimise CI/CD pipelines using GitHub Actions and Azure DevOps.

Skills

AWS

Azure

Terraform

Python

Bash

PowerShell

Docker

Kubernetes

CI/CD

Observability tooling

Job description

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We're working with a fast growing client undergoing rapid expansion, looking for an experienced Site Reliability Engineer (SRE) to join them on a 6-month contract (outside IR35)

You'll be leading efforts acriss AWS and Azure Cloud environments, focusing on automation, observability, infrastructure as code and performance at scale. Stakeholder engagements and strong communication is essential in this role, so if you've been in a start-up/smaller team- this could be the one for you.

Key responsibilities:

• Design, deploy, and manage scalable, secure cloud environments across AWS and Azure
• Lead on Terraform-based IaC and support cloud-native infrastructure evolution
• Build and optimise CI/CD pipelines (GitHub Actions, Azure DevOps, Jenkins)
• Implement robust monitoring and alerting solutions (CloudWatch, Azure Monitor, Grafana, ELK)
• Own incident response processes, ensuring high availability and rapid resolution
• Collaborate with stakeholders to communicate solutions and technical trade-offs clearly

Ideal Experience:

• 3-5 years SRE or DevOps experience across AWS and Azure platforms
• Strong knowledge of Terraform, scripting (Python, Bash, PowerShell), and cloud architecture
• Comfortable with containerisation and orchestration (Docker, Kubernetes)
• Understanding of networking, DNS, IAM, and load balancing in cloud environments
• Hands-on experience with observability tooling and production-level troubleshooting

If this sounds like you, it's a great opportunity so apply now!

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