Caching SRE
Barclays · Posted Nov 2
Banking, credit card, corporate, investment banking, and wealth management services
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About the role
Barclays is a global financial services organisation, and this role sits within its technology function focused on the reliability, availability and scalability of systems and platforms. The team works on proactive monitoring, incident response, automation and performance optimisation of mission-critical caching infrastructure, including Redis at scale. The Caching SRE will apply software engineering techniques and automation to operational work, build tooling in Python, and drive platform stability and resilience.
What you will do
- Availability, performance, and scalability of systems and services through proactive monitoring, maintenance, and capacity planning.
- Resolution, analysis and response to system outages and disruptions, and implement measures to prevent similar incidents from recurring.
- Development of tools and scripts to automate operational processes, reducing manual workload, increasing efficiency, and improving system resilience.
- Monitoring and optimisation of system performance and resource usage, identify and address bottlenecks, and implement best practices for performance tuning.
- Collaboration with development teams to integrate best practices for reliability, scalability, and performance into the software development lifecycle, and work closely with other teams to ensure smooth and efficient operations.
- Stay informed of industry technology trends and innovations, and actively contribute to the organization's technology communities to foster a culture of technical excellence and growth.
- Lead a team performing complex tasks, using well developed professional knowledge and skills to deliver on work that impacts the whole business function.
Skills used in this role
What the employer is looking for
- Strong experience operating and troubleshooting Redis at scale, including Cluster, Replication, HA, Backup/Recovery, and Performance Tuning – ensuring high availability, performance optimisation, and rapid issue resolution across mission-critical environments
- Strong SRE background with expertise in service reliability, incident management, observability, automation, and operational excellence – driving platform stability, resilience, and continuous service improvement
- Strong Python programming skills for platform automation, self-service tooling, operational workflows, and service lifecycle management – enabling scalable automation and increased operational efficiency
Preferred qualifications
- Working experience in financial domain.
- Experience with Kafka based event-driven architecture.
- Experience with AIOP process and methods.
Benefits and support
- Compensation and benefits are detailed in the job posting
About Barclays
Barclays is a British multinational universal bank that provides consumer, corporate, and investment banking, as well as wealth management services. Tracing its origins back to 1690 in London, the institution operates globally to serve millions of retail and institutional clients. The bank leverages cutting-edge technology and digital platforms to drive operational efficiency across its international network.
- Industry
- Banking
- Company size
- 93000+ employees
- Founded
- 1690
- Location
- London, United Kingdom
- Funding stage
- Public Company
Leadership
Group Chief Executive
Group Finance Director
Group Chief Operating Officer
Recent coverage
The Guardian
Barclays to cut 5,000 jobs as AI replaces roles2026-10-22
Investing.com
Barclays Q3 2026 slides show mixed results, on track for targets2026-10-22
Euronews
Barclays cuts 5,000 jobs as net profit grows 13% in Q32026-10-22