Site Reliability Engineer

London (UK)

Full Time
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are only one of a possible solution to spending problems. Tomorrow it could be digital cards, apple and google pays, QR codes, mobile payments, or something else that is not yet invented.


Here’s how you’ll be contributing to the Engineering Team

Spend & Cards are running more and more services within their PCI-DSS certified cardholder data environment, and the The Spend & Cards SRE team helps to ensure the CDE Kubernetes cluster is secure and sustainable, also helping to ensure all the services are running smoothly and efficiently. We are invested in AWS and Kubernetes, so we’re making the most of these abstractions. You'll also work with our product engineering teams to understand their needs and onboard them to new solutions.


Must Have


  • Experience with building out scalable and automated Cloud platforms on preferably AWS
  • Experience in infrastructure automation tools (Terraform/Ansible/Puppet/Chef)
  • Containerisation technology and various orchestration platforms e.g. Docker, Kubernetes
  • Experience with languages such as Java, Groovy, Python, Go etc
  • Basic sysadmin skills in debugging issues with disk, network, app/JVM performance etc
  • Will not settle at all for downtime and outages, do not want to be woken up in the middle of the night


Nice to Have


  • Good knowledge of relational (RDBMS) and NoSQL databases
  • Knowledge and an eye on newer architectural concepts such as microservices, service mesh, lambda programming
  • Network knowledge of DNS, network topology, switches, routers, 
  • Kubernetes ingress/egress, etc.


Key Areas of the role


  • Define and create standard operating procedures that are compliant and auditable
  • Ownership of mission-critical shared infrastructure - run, maintain and schedule upgrades
  • Isolation of environments and work with various engineering teams to figure out how to best suit their needs
  • Sees failover and DR events as something that needs to happen with regularity and should be seamless
  • Engage regularly with our blameless postmortem culture, always focused on continuous improvement


Interested? Find out more:

How we work – a practical guide

Wise Vlogs: Omar, Engineering Lead

Engineering team blog

Scaling our Infrastructure; how we make it work

We’re people without borders — without judgement or prejudice, too. We want to work with the best people, no matter their background. So if you’re passionate about learning new things and keen to join our mission, you’ll fit right in.

Also, qualifications aren’t that important to us. If you’ve got great experience, and you’re great at articulating your thinking, we’d like to hear from you.

And because we believe that diverse teams build better products, we’d especially love to hear from you if you’re from an under-represented demographic.

Job perks/benefits: Team events
Job region(s): Europe
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