Senior Site Reliability Engineer

Role Title: Senior Site Reliability Engineer Location: Knutsford or Glasgow - Hybrid (2 days per week onsite) Role Category: Permanent

Overview: We're recruiting for an experienced Senior Site Reliability Engineer to drive reliability, scalability and performance across critical banking systems. This role combines hands-on SRE engineering with technical leadership, with a strong focus on observability, automation, continuous improvement and optimisation.

Responsibilities

• Build and maintain reliable, scalable and secure infrastructure platforms and solutions.
• Apply SRE and software engineering practices to improve reliability, availability and performance.
• Monitor systems, manage incidents and lead complex troubleshooting and root cause analysis.
• Develop automation using programming and scripting to reduce manual intervention and improve efficiency.
• Develop and improve observability, monitoring, instrumentation and performance capabilities.
• Use data and reliability metrics to drive continuous improvement and optimisation.
• Lead technical discussions, blameless retrospectives and problem-solving activities.
• Work with architects, engineers and stakeholders to define requirements and deliver effective solutions.
• Provide technical leadership, mentoring and guidance while helping to drive SRE maturity across teams.

Required Skills:

• 5+ years' experience in SRE, Production Engineering, Platform Engineering or a related discipline.
• Strong practical experience with SRE principles and production environments.
• Strong programming/scripting skills, such as Python, Go, Java, C# or Bash.
• Proven experience in incident management, troubleshooting and root cause analysis.
• Strong observability and monitoring experience.
• Experience with AWS, Azure or GCP.
• Good understanding of operating systems, networking, cloud infrastructure and automation.
• Experience with Infrastructure-as-Code.
• Strong communication and technical leadership skills.

Desirable Skills:

• SLOs, SLIs, SLAs and error budgets.
• Prometheus, Grafana, Elastic/ELK or OpenTelemetry.
• Kubernetes, containers and distributed systems.
• Performance and resilience engineering.
• Experience driving SRE maturity across engineering teams.
• Financial services or banking experience.

This is an excellent opportunity for a Senior SRE to combine hands-on engineering with technical leadership and help improve reliability, observability and performance across critical banking systems.

GCS is acting as an Employment Agency in relation to this vacancy