Barclays is hiring a Site Reliability Engineer

Barclays seeks a mid-level Site Reliability Engineer to join the Quantitative Investment Strategies Technology team. You will be instrumental in improving the reliability, performance, and visibility of business-critical pre-trade platforms. Your work will focus on building the observability stack and implementing actionable monitoring and alerting, collaborating closely with engineers and stakeholders.

What You'll Do

• Ensure the availability, performance, and scalability of systems through proactive monitoring, maintenance, and capacity planning.
• Resolve and analyze system outages, implementing measures to prevent recurrence.
• Develop tools and scripts to automate operational processes, increasing efficiency and resilience.
• Monitor and optimize system performance, identify bottlenecks, and implement performance tuning best practices.
• Collaborate with development teams to integrate reliability, scalability, and performance best practices into the software lifecycle.
• Stay informed of industry technology trends and actively contribute to the organization's technology communities.
• Lead and supervise a team, guiding professional development and coordinating resources.
• Take responsibility for embedding new policies adopted for risk mitigation.
• Take ownership for managing risk and strengthening controls related to your work.

What We're Looking For

• Hands-on experience with the Elastic Stack (Elasticsearch, Kibana, Logstash/Beats).
• Strong understanding of observability and monitoring concepts (metrics, logs, traces, APM).
• Experience with defining and configuring dashboards, alerts, and SLI/SLOs.
• Basic infrastructure-management exposure (capacity planning, performance insights, scaling, monitoring).

Nice to Have

• Experience with DevOps tools: GitLab, TeamCity, CI/CD pipelines.
• Scripting or programming in Python, Java, or C#.
• Basic Linux experience.
• Exposure to additional monitoring tools like Grafana, Prometheus, or Splunk.

Technical Stack

• Elastic Stack (Elasticsearch, Kibana, Logstash/Beats)
• DevOps tools (GitLab, TeamCity)
• Languages: Python, Java, C#
• Linux
• Monitoring tools (Grafana, Prometheus, Splunk)

Team & Environment

You will be part of the Quantitative Investment Strategies Technology team.

Work Mode

This role is based locally in the city of Prague.

All colleagues are expected to demonstrate the Barclays Values of Respect, Integrity, Service, Excellence, and Stewardship, and the Barclays Mindset to Empower, Challenge, and Drive.