Principal Site Reliability Engineer I

6 days ago

Athens, Attica, Greece Kaizen Gaming Full time €25,000 - €60,000 per year

About Kaizen Gaming

Kaizen Gaming, the team powering Betano, is one of the biggest GameTech companies in the world, operating in 19 markets. We consistently strive to leverage cutting-edge technology, delivering the best experience to our millions of customers who rely on us for their entertainment.

We are a diverse team of over 2,700 Kaizeners, representing more than 40 nationalities and spread across three continents. Our #oneteam is proud to be among the Best Workplaces in Europe and certified Great Place to Work across our offices. Here, there'll be no average day for you.

Let's Start With The Role

We are looking for a Principal Site Reliability Engineer I who will be a subject matter expert, mastering specific infrastructure domains to drive technical excellence across the organization. In this capacity, you will act as the primary escalation point for resolving high-complexity problems while proactively defining backlog items to maintain and modernize your areas of responsibility.

As a Principal Site Reliability Engineer I, you will:

Work closely with our SRE teams, providing technical mentorship to help them optimally refine tasks and improve implementations. Furthermore, you will collaborate with the Principal Engineer 2 to effectively disseminate architectural best practices and engineering standards, ensuring the team remains aligned with the organization's strategic vision.

What You'll Bring


3-5 years of experience building and maintaining scalable production environments in a Senior SRE, Tech Lead, or Architect capacity.

Expert-level knowledge in at least 50% of the following tools and domains, with a senior-level understanding of the rest:

  • Platform Infrastructure:
    Kubernetes (k8s), OpenShift, ESXi
  • Cloud & IaC:
    Ansible, Terraform, Azure
  • GitOps:
    ArgoCD
  • CI/CD:
    GitLab, RedHat Tower (AWX/Ansible)
  • Observability/Monitoring/Logging:
    Prometheus, Grafana, Graylog, Zabbix, Instana
  • Networking & Traffic Management:
    Cloudflare, HAProxy, Varnish, Nginx
  • Brokers:
    RabbitMQ, Kafka
  • Database Infra:
    Redis, Mongo, CockroachDB

Strong scripting skills in languages such as Bash, PowerShell, Python, or Go.

Solid programming skills in either Java or .NET.

Demonstrated ability to utilize AI tools (e.g., AI code assistants, AIOps platforms) to increase productivity, quality, and reliability.

Ability to resolve complex technical challenges optimally, taking into account time, capacity, and budget constraints.

Proven ability to work effectively as part of a distributed, international team.

An easy-going, flexible personality with a genuine eagerness to learn new technologies and work outside of your comfort zone.

A "people-first" and continuous improvement mentality, always looking for ways to make things better for our teams and our customers.

A strong understanding of Scrum/Agile methodologies and principles.


Kaizen Gaming Perks

  • Competitive salary package and bonus scheme.
  • Health and life insurance for you and your family.
  • Unlimited access to Udemy & continuous training for all your learning and development needs.
  • Monthly allowance for lunch expenses.
  • Nice rigs - Apple laptop and 2.5K monitor.
  • Developmental 360° feedback framework.

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