Staff SRE - Scale a Cloud Platform | Flexible Remote

Harnham; United States; Remote; USD 150,000 - 230,000; Full time

Benefits offered by this job

Flexible remote working model acrossEU

4.5-day working week

Additional leave benefits

Wellbeing and mental health support

Inclusive parental leave policies

Opportunity to shape infrastructure at

scale journey

Job summary

Harnham is recruiting a Staff Site Reliability Engineer to define reliability strategy for a large-scale cloud platform. You will drive resiliency, observability and performance across multi-region AWS environments, shaping technical direction and incident response.

You will mentor engineers, lead architecture decisions and collaborate with teams to improve CI/CD, automation and cost efficiency while balancing performance and capacity planning.

Qualifications

• Designing and operating large-scale AWS infrastructure
• Expertise in SRE, platform engineering or cloud leadership
• Terraform and IaC principles
• Experience with Kubernetes (EKS)
• Strong observability, monitoring and incident practices
• Support for high-volume, low-latency distributed systems
• Coding and automation in Python or similar
• Influence architecture decisions across teams
• Mentoring engineers and promoting best practices
• Understanding FinOps and cloud cost optimisation

Responsibilities

• Drive reliability, scalability and performance initiatives across multi-region AWS environments
• Lead architecture decisions for systems handling millions of requests per second
• Improve platform resilience and latency
• Own major incident response and post-incident improvements
• Partner with engineering to enhance CI/CD, automation and developer experience
• Balance reliability, performance and cost through FinOps and capacity planning
• Mentor engineers and contribute to engineering standards
• Act as a key technical leader within the infrastructure function

Skills

AWS infrastructure

Site Reliability Engineering

Terraform

Kubernetes (EKS)

Observability & monitoring

Distributed systems

Python

Incidents & post-incident improvements

FinOps / cost optimisation

Mentoring engineers

Tools

Terraform

Kubernetes

Job description

Harnham is recruiting a Staff Site Reliability Engineer to define reliability strategy for a large-scale cloud platform. You will drive resiliency, observability and performance across multi-region AWS environments, shaping technical direction and incident response.

You will mentor engineers, lead architecture decisions and collaborate with teams to improve CI/CD, automation and cost efficiency while balancing performance and capacity planning.