Senior Site Reliability Engineer

Role overview Keep cloud-hosted banking and payments services reliable, resilient and ready to scale. As a senior member of a globally distributed reliability team, you’ll maintain production systems, improve operational practices and work with engineering teams and customers on complex infrastructure challenges.

Responsibilities - Partner with product engineers on system design, technical proposals and code reviews to improve application reliability and scalability. - Plan and deliver work on disaster recovery, backups, redundancy and capacity. - Participate in a global on-call rotation, investigating and resolving bottlenecks in customer environments. - Maintain production infrastructure and develop reliability features for hosted services. - Implement and regularly test disaster recovery strategies. - Maintain operational documentation and runbooks, and support teammates’ technical development.

Requirements - A record of delivering high-impact projects designed to scale without a matching increase in manual effort. - Current knowledge of hosting and networking design patterns. - Strong Python or Go experience, including use on a substantial project or initiative. - Experience with Kubernetes or another container orchestration system. - Experience with infrastructure automation or configuration management tools such as Terraform, Puppet, Chef or Ansible. - Extensive experience with GCP or AWS, plus expertise in at least one area such as databases, networking, observability or automation infrastructure. - Ability to drive projects independently, make sound product decisions and delegate effectively.

Benefits and work setup - Flexible working hours, 25 days of annual leave plus public holidays, and pension contributions with up to 5% matching. - Life insurance, paid parental leave and shared parental leave. - Learning resources and courses, subsidised sports and hobby clubs, and two charity days each year. - Additional offerings include cycle-to-work and electric car schemes, a season ticket loan, and workplace food and refreshments. - The role is based at the organisation’s London headquarters and includes global on-call work.