Site Reliability Engineer; SRE

Embark on a transformative journey as a SRE Engineer at Barclays, our vision is clear – to design, develop and improve software that provides business, platform and technology capabilities for our customers and colleagues.

Location:

Glasgow/Knutsford.

• Develop and deliver high‑quality software solutions; ensure code is scalable, maintainable and optimised for performance.
• Collaborate cross‑functionally with product managers, designers and other engineers to define requirements, devise solution strategies and ensure seamless integration with business objectives.
• Participate in code reviews and promote a culture of code quality and knowledge sharing.
• Stay informed of industry technology trends and contribute to organisational technology communities.
• Adhere to secure coding practices, implement effective unit testing and mitigate vulnerabilities.

• Good SRE experience implementing reliability practices, defining SLOs/error budgets, uptime and incident response for multi‑layered distributed systems.
• Proficiency with cross‑region cloud platforms (AWS, Azure, GCP), observability tools (Prometheus, Cloud Watch) and automation frameworks that reduce toil.
• Solid infrastructure‑as‑code skills (Terraform, Cloud Formation) with experience building self‑service platforms, tooling and deployment pipelines for engineering teams.
• Demonstrated ability in capacity planning, performance tuning and cost optimisation for large‑scale production systems.
• Experience with observability and monitoring, metrics collection, logging, distributed tracing and dashboard creation.
• Security experience – encryption, secrets management, authentication and authorisation standards (OAuth, SAML, API key management).
• Programming/scripting experience with Python for automation and monitoring.
• Experience with modern testing approaches, including chaos and performance testing.
• Understanding of large‑language models and agentic frameworks.
• Self‑starter with leadership experience mentoring SREs, running post‑mortems and driving reliability improvements across engineering teams.

• Bachelor’s degree in computer science or a related field with depth in systems engineering, networking and distributed systems design.
• Experience with Kubernetes, service‑mesh technologies and microservices reliability patterns in production environments.
• Knowledge of compliance requirements and experience working with audit/regulatory frameworks.

All colleagues will be expected to demonstrate the Barclays values of Respect, Integrity, Service, Excellence and Stewardship, and the Barclays mindset – to Empower, Challenge and Drive.