Senior Site Reliability Engineer (AWS/Kubernetes)

Location: Hybrid – London, UK

Company

hirify.global provides an intelligent employee communications platform used by organizations including 40 of the Fortune 100 companies, reaching more than 17 million employees daily.

What you will do

• Design, build, and operate reliable, scalable, and resilient production services across application and infrastructure stacks.
• Establish SRE practices including SLIs, SLOs, error budgets, operational readiness reviews, reliability standards, and an SRE scorecard.
• Lead observability and monitoring strategy across metrics, logs, traces, APM, database monitoring, real-user monitoring, and synthetic testing.
• Lead incident response, technical investigations, post-incident improvements, and initiatives to reduce MTTD, MTTA, and MTTR.
• Improve alerting, automation, self-service, deployment safety, capacity planning, performance engineering, resilience testing, and disaster recovery.
• Provide technical leadership and mentoring while communicating reliability risks and participating in on-call rotations.

Requirements

• BS or MS in Computer Science, or equivalent diplomas and/or certifications, with 8+ years of relevant experience.
• Strong experience in Site Reliability Engineering, production engineering, platform engineering, or a comparable role supporting large-scale, distributed, customer-facing applications, ideally in a multi-tenant environment.
• Ability to troubleshoot across application code, APIs, containers, Kubernetes, cloud infrastructure, networking, databases, and third-party dependencies.
• Strong experience operating production workloads in AWS and Kubernetes-based environments.
• Hands-on experience with monitoring, logging, distributed tracing, and APM; deep practical expertise with Datadog is required.
• Experience defining and implementing SLIs, SLOs, error budgets, reliability scorecards, and operational health metrics.
• Experience diagnosing application latency, resource contention, database performance, dependency failures, and complex distributed-system behavior.
• Strong automation and software-engineering skills using one or more of Python, Go, Java, JavaScript/TypeScript, or similar languages.
• Experience with infrastructure as code including Terraform, CI/CD pipelines, configuration management, and automated deployments; strong ownership, communication, and independent execution skills.
• Willingness to participate in on-call rotation and improve the on-call experience through tooling, documentation, and automation.

Culture & Benefits

• Inclusive, high-growth environment where ideas are valued and employees are encouraged to address ambiguity and challenging problems.
• Excellent PTO program and health benefits.
• Casual, friendly environment with support for personal and professional growth.
• Hybrid work in London with remote work offered as part of the broader workplace approach.