Senior Site Reliability Engineer

McNally Recruitment Ltd; Greater London; Hybrid; GBP 110,000 - 160,000; Full time

Job summary

McNally Recruitment Ltd is sourcing a Senior Site Reliability Engineer for a major UK client. The role is primarily remote with one day per week in the London office, offering home-based work with office hub time.

You will improve availability, performance, monitoring, incident response and capacity planning, while collaborating with engineers to deliver safe, scalable changes and meet SLIs. Strong Azure, Terraform, Kubernetes and observability skills are essential.

Qualifications

• 10+ years hands-on SRE experience with senior responsibilities.
• Cloud-native microservices experience including containerisation and Kubernetes.
• Strong skills in Terraform, IaC, Azure, and modernization tools.
• Expertise in full-stack observability with Grafana, Log Analytics, and AppInsights.

Responsibilities

• Collaborate with feature teams to meet and improve service level objectives.
• Define error budgets and balance risk with reliability.
• Improve release processes and automation to scale reliability and velocity.
• Lead incident response, health monitoring, and capacity planning for production systems.
• Mentor colleagues and guide the team on reliability best practices.

Skills

Senior SRE

Kubernetes

Azure

Terraform

IaC

Full-stack observability

Incident response

Stakeholder communication

Automation

Tools

Grafana Stack

Log Analytics

AppInsights

Job description

Senior Site Reliability Engineer (London) - We're working in collaboration to source a Senior Site Reliability Engineer for a large UK client. The role is mostly working remotely, with only 1 day per week being required to work in the London office.

• In this key role, you'll improve, drive, and embed non-functional and operational characteristics such as availability, performance, efficiency, change management, monitoring, security, incident response, and capacity planning of our products and services
• You'll enjoy significant stakeholder interaction, working in collaboration with engineers to ensure a principled approach to deliver change in a safe and secure way
• This is a chance to join an inclusive team with a collaborative ethos and a commitment to innovation and professional development
• You'll work from home some of the time, but you'll also spend a significant amount of time working from an office or hub

What you'll do

• Work closely with our feature team and other colleagues to meet defined service level objectives and continually improve systems and environments.
• Define error budgets that support finding the right balance between risk and reliability.
• Provide structure and help to our release process, suggesting and making improvements where possible.
• Help scale systems sustainably through mechanisms like automation, evolving them by pushing for changes that improve reliability and velocity.
• Coach and provide guidance to colleagues and the wider team, leading where required.

In addition to this, you'll:

• Proactively contribute new ideas and innovations to meet short-term and longer-term goals
• Continually balance and manage any potential risks
• Be accountable for the day-to-day health of both production and non-production environments and respond to any incidents as required
• Provide technical expertise and input to establish the risk tolerance of products and services
• Communicate incident status updates clearly and frequently to other teams, customers and stakeholders

The skills you'll need

• At least 10 years of hands-on experience, including as a Senior SRE with a proactive approach to spotting problems, areas for improvement and performance bottlenecks.
• Experience working with cloud-native microservices, including containerisation, management of Kubernetes workloads and API management.
• Hands-on experience with Azure, Infrastructure as Code (IaC), and technologies such as PowerShell, JSON, Azure Bicep, ARM and Azure DevOps.
• The client is moving to Terraform, which is essential, moving from Bicep (desirable).
• Experience with full-stack observability using tools such as Grafana Stack, Log Analytics, AppInsights
• Excellent knowledge of DevOps processes and principles
• Knowledge of IT Service Management and automation of IT fulfilment processes through Orchestration and ServiceNow
• Strong communication skills with the ability to proactively engage with a wide range of stakeholders