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DevOps Engineer - UK

Employer
Callsign
Location
UK
Salary
Competitive
Closing date
15 Sep 2021

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Sector
Technology & New Media
Contract Type
Permanent
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Russian hacker, Vladimir Leonidovitch Levin, attempted the biggest bank heist the world had ever seen via dial-up internet in 1994, Zia Hayat, Callsign CEO and founder, was hooked - armchair fraud became a real possibility. From this moment, Zia knew he wanted to play a part in stopping the bad guys and securing the internet for all. Founded In 2012, Callsign's mission has been to make Digital Identity simple and secure for everyone and everything. In that time, we've grown to over 200 employees, opened offices in Singapore and Abu Dhabi, been recognised as a WEF Global Innovator and our technology is being used by many of the world's leading financial institutions to keep millions of consumers safe.

But we aren't stopping here. The identity revolution has only just begun, and we are looking to hire the brightest and inquisitive minds to help us make every web, mobile and physical Interaction seamless and secure. If this sounds like you, lets chat.

As a DevOps engineer here at Callsign, you will help transform and improve our DevOps capabilities, as well as ensure that all products, services and projects are designed, delivered and supported according to business requirements. You will ensure that Callsign's services both our internally critical and our externally-visible systems have reliability and uptime appropriate to users' needs and a fast rate of improvement while keeping an ever-watchful eye on capacity and performance.

Your Approach
  • Have a mindset of Everything as a Service
  • Have a mindset of Everything as Code
  • A strong proponent of DevSecOps and common engineering principles such as KISS, DRY, YAGNI and SOLID
  • Proactively identify and address the root cause of any issue
  • Systematic problem-solving approach, coupled with a strong sense of ownership, drive and determination
  • Excellent communication skills with the ability to present complex technical information in a clear and concise manner to a variety of audiences, both technical and non-technical
  • Comfortable working in a fast-paced, multi-tasking, dynamic environment
  • Confidence in grasping, maintaining and debugging/troubleshooting systems and code developed by others
  • Ability to think outside the box and find innovative solutions to complex problems
RequirementsRequirementsMinimum Qualifications
  • Previous experience as a DevOps/SRE or equivalent
  • Proficient in one or more of the following programming languages Python, Go, Java, Kotlin and shell scripting
  • Solid understanding of *nix operating systems and at least on of Linux flavors (RHEL-based, Debian-based, CoreOS, Bottlerocket)
  • Experience of building and maintaining CI/CD pipelines using Gitlabs, Jenkins, CircleCI or similar
  • Proficient in deploying, maintaining and troubleshooting Kubernetes clusters
  • Extensive knowledge of at least one major cloud provider (AWS, GCP or Azure)
  • Infrastructure as Code / Automation / Configuration Management experience (Terraform, CloudFormation, Ansible, Helm, Kustomize)
  • Solid understanding of monitoring tools such as Prometheus, AlertManager, Grafana, NewRelic, DataDog
  • Experience with ELK stack and Fluentd
  • Join the on-call rota to resolve production incidents in a timely manner. On-call shifts are compensated separately
Preferred Qualifications
  • Expertise in design, analysis and architecture of large-scale distributed systems
  • Experience with Kafka, Cassandra or Istio
  • Experience with Linux internals and administration (e.g. filesystems, system calls, capabilities(7), Seccomp/AppArmor) or networking (e.g. TCP/IP, routing, network topologies)
  • Experience with at least one SQL flavor (e.g. MySQL, PostgreSQL, et al.)
  • Experience with GRPC/Protobuf
  • Previous experience as a Software Engineer
BenefitsAutomatic Option
  • Health Insurance - single
  • Pension
  • Life Insurance
  • Employee Assistance Program
  • 3 months full pay maternity & 2 weeks full pay paternity (if the statutory minimum is met)
  • 25 days of annual leave + Callsign Bank Holiday (not included in holiday allowance)
  • Free financial advise
Optional
  • Cycle to work scheme
  • Wills and Estates - our benefits provider has partnered with a third party who offers a discount
  • Home Utilities - our benefits provider has partnered with a third party who offers a discount
  • Cycle Insurance
  • Health cash plans
  • Cyclist protection
  • Discounted gym membership
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