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Site Reliability Engineer (SRE)

Randstad Technologies RecruitmentUnited Kingdom🇬🇧United KingdomPosted 20 Jun 2026

Why This Role Stands Out

This Lead SRE role offers an exceptional opportunity to scale and innovate within massive observability systems, directly impacting global service performance and empowering internal engineering teams. You'll thrive here if you're a seasoned engineer passionate about tackling complex data infrastructure challenges, developing in Go or Python, and leveraging tools like Prometheus and Kafka within a hybrid work environment. Apply now to contribute to cutting-edge solutions and grow your expertise in a dynamic tech landscape.

Quick Overview

Work Type
Hybrid
Schedule
Temporary/Casual
Level
Mid Senior

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.

Randstad Technologies is acting as an Employment Business in relation to this vacancy.

Skills

Ruby
Scala
ELK
Ansible
Bash
Consul
Kafka
Prometheus
Python
Terraform

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