Senior DevOps Engineer

In London, we build and run core services for Quantcast’s advertising product, such as our inventory modeling platform, our anti-fraud systems, client-facing campaign configuration services and the experimental framework that underpins performance improvements and A/B testing across the organisation. We are looking for experienced engineers with a passion for devops and automation, to help us increase our pace of innovation and shipping improvements across these services.

As a Senior Systems Engineer (Devops) you care about the productivity of others.  You write code, architect and design systems, build out proof of concepts, and compare and contrast technology alternatives that drive improved automation throughout our product development lifecycle. You love cloud technology and enjoy working with technical teams on big problems, and you are an excellent self-directed learner.


  • Engineer and operate solutions for automation, configuration management, CI/CD, software troubleshooting and system troubleshooting
  • Innovate with new designs and optimizations to enhance the performance, elasticity and fault-tolerance of existing infrastructure
  • Create and operate mission-critical monitoring/measurement and alarm/alert systems
  • Provide tooling for other software engineers to run their services


  • BA/BSc degree in Computer Science or related technical field or equivalent practical experience.
  • Experience with deployment and orchestration technologies (e.g. Docker, Kubernetes, Mesos, OpenStack, Puppet, Chef, Salt, Ansible)
  • Experience with continuous integration systems (e.g. Jenkins, Bamboo, TeamCity)
  • Experience with Linux system administration
  • Proficiency in scripting languages (e.g. shell, Python, Ruby)
  • Working knowledge of networking and web standards (such as DNS, DHCP, TCP/IP, HTTP, web security mechanisms, proxies, firewalls, load balancers)
  • Working knowledge of cloud computing including virtualization, hosted services, multi-tenant cloud infrastructures, storage systems and content delivery networks
  • Familiarity with open source server software (such as HAProxy, Apache, NGINX) and Amazon Web Services

Quantcast is a late-stage, pre-IPO startup headquartered in San Francisco with offices around the world. We are committed to creating an inclusive and diverse environment where everyone can confidently be their authentic self.

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