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About the Role

The Performance & Observability Engineer ensures system reliability, scalability, and visibility across the technology stack. This role focuses on transitioning to full observability for deep performance insights, real-time issue detection, and proactive optimization, with expertise in performance engineering, distributed tracing, logging, metrics, and automation.

Responsibilities

• Analyze application, database, and infrastructure performance to identify bottlenecks and inefficiencies.
• Develop performance benchmarks and SLIs to measure service responsiveness and stability.
• Collaborate with SRE and DevOps teams to optimize CI/CD pipelines for performance improvements.
• Implement caching strategies, query optimization, and autoscaling to enhance system efficiency.
• Design and implement end-to-end observability frameworks covering metrics, logs, traces, and events.
• Instrument services using existing tools (e.g., Nexthink) to improve visibility.
• Enable distributed tracing across microservices to enhance root cause analysis and performance debugging.
• Standardize logging and telemetry collection across infrastructure, applications, and cloud services.
• Define best practices and a consistent approach across development teams to improve monitoring consistency.
• Transition from basic alerting to proactive insights, leveraging AI-driven anomaly detection.
• Ensure comprehensive observability across frontend, backend, databases, cloud infrastructure, and networking.
• Implement Service Level Indicators (SLIs), Service Level Objectives (SLOs), and Error Budgets to track system health.
• Automate root cause analysis and incident detection through advanced monitoring techniques.
• Reduce Mean Time to Detect (MTTD) and Mean Time to Resolve (MTTR) through improved observability.
• Integrate monitoring and alerting tools with incident response platforms (e.g., ServiceNow).
• Develop self-healing and auto-remediation mechanisms to reduce operational toil.
• Improve alerting strategies by reducing false positives and improving signal-to-noise ratio.
• Define observability best practices and governance models to ensure adoption across teams.
• Ensure log retention, security, and compliance with standards (e.g., GDPR, SOC 2, PCI DSS).
• Develop executive dashboards and reporting frameworks to showcase reliability and performance trends.

Requirements

• Experience in using and maintaining Observability & APM Tools – Grafana experience is essential
• Experience of using KQL
• Performance Testing & Load Testing
• Cloud & Infrastructure Monitoring – AWS CloudWatch, Azure Monitor, GCP Operations Suite, Kubernetes Observability.
• Knowledge of Log Aggregation & Analysis – e.g: Grafana Loki, Splunk etc
• Automation & Scripting – PowerAutomate, Terraform, PowerShell
• Incident Response & ITSM – ServiceNow.
• Sound understanding of firm’s applications, systems and tools across technology stack
• DevOps experience is desirable
• Nexthink experience is desirable
• Strong problem-solving and root cause analysis skills.
• Ability to translate observability insights into business impact for stakeholders.
• A continuous improvement mindset, focused on reducing toil and improving efficiency.
• Experience working in a DevOps, SRE, or Platform Engineering environment.

Skills

• Observability
• APM Tools
• Grafana
• KQL
• Performance Testing
• Load Testing
• AWS CloudWatch
• Azure Monitor
• GCP Operations Suite
• Kubernetes Observability
• Log Aggregation
• Log Analysis
• Grafana Loki
• Splunk
• Automation
• Scripting
• PowerAutomate
• Terraform
• PowerShell
• Incident Response
• ITSM
• ServiceNow
• DevOps
• SRE
• Platform Engineering

Location

• London

Work Type

• Full time
• Permanent Contract

About the Company

• Herbert Smith Freehills Kramer is a world-leading global law firm, where our ambition is to help you achieve your goals.
• Exceptional client service and the pursuit of excellence are at our core.
• We invest in and care about our client relationships, which is why so many are longstanding.
• We enjoy breaking new ground, as we have for over 170 years.
• As a fully integrated transatlantic and transpacific firm, we are where you need us to be.
• Our footprint is extensive and committed across the world’s largest markets, key financial centres and major growth hubs.
• At our best tackling complexity and navigating change, we work alongside you on demanding litigation, exacting regulatory work and complex public and private market transactions.
• We are recognised as leading in these areas.
• We are immersed in the sectors and challenges that impact you.
• We are recognised as standing apart in energy, infrastructure and resources.
• And we’re focused on areas of growth that affect every business across the world.
• All of this is achieved by supporting the growth of our people, who help us deliver on our ambition – which is to help you achieve yours.
• Herbert Smith Freehills Kramer: Your goals. Our ambition

Equal Opportunity

• We are committed to attracting people from all backgrounds and creating a respectful and inclusive culture where everyone thrives.
• We see this as essential to our success, including our ability to innovate and achieve sustained high performance.
• This is a key part of our Values—Human, Bold, and Outstanding.