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
Only candidates based in UK and eligible to work in UK are allowed