Senior Site Reliability Engineer

We are working with a leading multi-strategy Hedge Fund where engineering plays a critical role in the core business rather than operating as a support function. Technical teams are given real ownership, work on challenging and meaningful problems, and collaborate closely with end users, ensuring their work has a clear impact.

They are seeking a Senior SRE to join their London HQ to work hands-on with cloud and on-prem platforms. They require someone to supercharge system reliability and elevate performance across every part of their trading infrastructure

• Joining a group that focuses on modern platforms, high engineering standards, and rewarding strong performance.
• It offers an environment where technologists can grow, innovate, and see the results of their contributions.
• Long-term career progression as the firm continues to grow.
• The chance to cultivate their SRE philosophy, processes, and technologies from the ground up.
• Drive standards and foster adoption within your core team, whilst closely partnering with our Dev Ops and Cloud teams.
• An opportunity to be instrumental in evolving our operations and boosting performance across diverse systems and platforms.

• Define and embed SRE principles, creating processes and standards that support scalable and reliable infrastructure.
• Design and maintain comprehensive monitoring and observability using Prometheus, Grafana, Loki, and Tempo to ensure clear insights into system and application performance.
• Participate in the team’s on-call rotation, sharing responsibility for approximately one week per month.
• Set and maintain reliability requirements for applications running in Kubernetes
  , balancing performance, cost efficiency, and system resilience.
• Develop tools and automation to improve deployment pipelines, system health checks, and recovery procedures.
• Work closely with development teams to improve service stability, scalability, and fault tolerance, applying best practices such as SLOs and blameless post-mortems
  .

• 5+ years in SRE or similar roles with complex, distributed systems
• Degree in engineering, computer science, or equivalent experience
• Expert in Prometheus, Grafana, Loki, Tempo (OTEL) and observability tooling
• Skilled with Kubernetes
  , Docker
  , and containerised environments
• Hands-on with cloud (AWS preferred) and on-prem infrastructure
• Proficient in Python, Bash, or Go for automation and pipelines
• Solid grasp of CI/CD, Dev Ops, and agile workflows
• Self-starter with a passion for reliability and operational excellence
• Strong communicator, able to translate technical concepts across teams

Bonus

Skills:



Experience with
databases (Postgre

SQL, Redis, Snowflake),
messaging systems (Kafka, Solace), or workflow orchestration (Airflow)

If you’re a motivated Senior SRE looking to step into an ideas-driven, high-performance environment
, we’d love to hear from you.