Support day-to-day production operations and BAU reliability work across our Azure environments
Investigate and resolve incidents, service degradations, and operational issues in live systems
Troubleshoot application and infrastructure issues across Azure compute, networking, and data services
Improve Azure monitoring, alerting, and observability to reduce noise and improve detection
Assist with root cause analysis and follow-up remediation actions
Support environment management, configuration changes, and production deployments
Help reduce operational toil through scripting, automation, and small tooling improvements
Contribute to maintaining operational documentation, runbooks, and support knowledge
Work with product and engineering teams to ensure services meet operational readiness standards
Support ongoing reliability, performance, and stability improvements across the Azure platform
Partner with engineering teams to support platform adoption, drive best practices and troubleshoot infrastructure issues.
Mentor junior engineers and promote best practices in infrastructure automation and cloud architecture.
Define comprehensive technical plans with the technical lead supporting wider team delivery.
Contribute to team planning helping to align it with the strategic goals of the group.

Significant experience as a Site Reliability Engineer at a Principal level
Proven experience operating and supporting production systems in Microsoft Azure
Very confident troubleshooting live cloud systems and resolving operational issues
Strong experience with Azure services such as App Services, VMs, networking, storage, and Azure SQL
Worked closely with Azure monitoring and observability tools (e.g., Azure Monitor, Log Analytics, Application Insights)
Comfortable setting technical direction with technical leads
Experience with incident response and root cause analysis
You are comfortable working across application, infrastructure, and cloud platform layers
Pragmatic, delivery-focused, and able to pick up ongoing operational work quickly
You have experience supporting .NET applications and Azure SQL Server
Strong collaborator and communicate clearly with both engineers and stakeholders.

At least £1,000 per year to spend on professional and personal development
33 days' holiday per year (including bank holidays), increasing by 1 day each year to a maximum of 40 days
Paid four week sabbatical in your fifth anniversary year on top of your holiday entitlement
Enhanced family leave policies
Private medical insurance, including dental and vision benefits
Income protection and death in service cover
Matched 5% auto-enrolment workplace pension scheme
Access to wellbeing offerings, such as our Employee Assistance Programme and a dedicated counselling service
Volunteering time – up to 20 hours a year to participate in volunteer work
Regular All Hands meeting for inspiration and over-communication
Time out of the working week for team socials each month, with a mix of in-person and virtual options: past events include hiking, family BBQs, board games and at-home cocktail classes!

Principal Site Reliability Engineer

Key skills