Senior Observability & Performance Engineer

Exchange House Services Ltd - London; Greater London; On-site; GBP 95,000 - 130,000; Full time

Job summary

Herbert Smith Freehills Kramer in London is seeking a Performance & Observability Engineer to drive reliability across the technology stack. You will move from basic monitoring to full observability, delivering real-time performance insights and proactive optimisation for complex legal applications.

Working with SRE and DevOps teams, you will design end‑to‑end observability, instrument services with Grafana/Nexthink, implement SLIs/SLOs, and automate incident detection.

Qualifications

• Experience in using and maintaining Observability & APM tools; Grafana experience is essential.
• Experience with cloud/infrastructure monitoring: AWS CloudWatch, Azure Monitor, GCP Operations Suite, Kubernetes Observability.
• Knowledge of log aggregation/analysis (e.g., Grafana Loki, Splunk).
• Automation & scripting tools: PowerAutomate, Terraform, PowerShell; incident response tooling like ServiceNow.

Responsibilities

• Design and implement end-to-end observability across metrics, logs, traces, and events.
• Instrument services using Grafana/Nexthink to improve visibility and debugging.
• Enable distributed tracing and standardise logging/telemetry across platforms.

Skills

Observability

SRE collaboration

Grafana

Nexthink

CloudWatch

Terraform

KQL

Tools

Grafana

Nexthink

Terraform

PowerShell

Power Automate

Job description

Herbert Smith Freehills Kramer in London is seeking a Performance & Observability Engineer to drive reliability across the technology stack. You will move from basic monitoring to full observability, delivering real-time performance insights and proactive optimisation for complex legal applications.

Working with SRE and DevOps teams, you will design end‑to‑end observability, instrument services with Grafana/Nexthink, implement SLIs/SLOs, and automate incident detection.