Jul 12, 2026

Site Reliability Engineer (SRE)

Job Description

Job Title: Lead Site Reliability Engineer (SRE) - Observability Location: Reading, UK / Hybrid & Remote Options About the Role We are looking for a Lead SRE to design, scale, and operate massive-scale observability systems that keep our global services online and performant. You will join an autonomous team of software engineers focused on solving complex data infrastructure challenges. Key Responsibilities Scale Prometheus metrics infrastructure to handle 100+ million active series. Operate large Elasticsearch clusters holding 2000+TB of data. Grow high-throughput Kafka data pipelines processing hundreds of thousands of events per second. Build custom alerting workflows and self-service APIs for internal engineering teams. Provision cloud and private infrastructure using Terraform. Requirements 5+ years operating mid-to-large distributed systems on Linux VMs or bare-metal machines. 2+ years developing in Go, Python, Ruby, Scala, or Bash. Hands-on experience with Prometheus/Thanos/Cortex, Kafka, the ELK stack, Ansible, or Consul. Comfortable diving into unfamiliar codebases and participating in an on-call rotation. Keywords: Observability, Monitoring, SRE, Site Reliability Engineering, DevOps, ElasticSearch, ELK, Prometheus, Kafka, Terraform, Linux, Bare Metal Randstad Technologies is acting as an Employment Business in relation to this vacancy

IR35 Status

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