Let’s start with the role

Kaizen Gaming uses a variety of systems and stacks to deliver its products, and as a member of this team, you will work closely with the other software engineering teams with a focus on software development and infrastructure design, providing expertise in performance, stability, and scalability.

We are looking for an experienced Site Reliability Engineer who brings a broad set of technical skills and achievements,a  development and automation-focused mindset to solving problems, who is eager to tackle a few of technology’s greatest challenges and make an impact on thousands, if not millions, of users. Our SRE team consists of experienced engineers who collaborate effectively and work on large-scale applications that serve real-time content to thousands of connected users, within a fast-paced, growing business.

As a Site Reliability Engineer, you will:

• Together with a team of engineers, you will enable and enhance the day-to-day operational workflows of critical applications and services in a 24x7x365 environment located in cloud and physical data centres.
• Continuously improve application observability to ensure the uptime and reliability of our applications and infrastructure;
• Utilize a wide variety of open source technologies to create fault-tolerant, scalable and secure high-performance services and pipelines on a global scale.

What you'll bring

• 3-5 years experience building scalable production environments;
• Experience with, or understanding of, source code control systems, versioning, branching and merging, configuration, build management, artefact repos, automated build tools, automated testing frameworks and automated deployment frameworks;
• Extensive working experience on Continuous Integration and Continuous Delivery procedures and tools (eg. Jenkins, Gitlab CI), since you will be maintaining and supporting automated build pipelines;
• Strong Scripting skills (BASH, Powershell, Python, Go, Ruby etc.);
• Strong experience using Docker containers and container orchestration tools (preferably Kubernetes);
• Experience with one or more Infrastructure as code tools such as Ansible, Chef, Terraform, etc.;
• Ability to work as part of a distributed team;
• Experience in monitoring and metrics systems (Prometheus, Logstash, Grafana);
• Programming skills in Java or .Net.

Nice to have

• Familiarity with database technologies (MSSQL/PostgreSQL);
• Hands-on experience with messaging technologies like RabbitMQ, Apache Kafka configuration and troubleshooting.

Launch Your Tech Career with a Global Investment Bank – Junior SRE/DevOps Engineer (Athens)

Are you a recent Computer Science or Engineering graduate – or someone with technical know-how and a passion for automation, systems, and infrastructure?

Join the mthree Alumni Graduate Programme, designed to give you everything you need to start strong. From expert-led training to an impactful 12-month placement with a world-leading investment bank, this is your launchpad into the world of Site Reliability Engineering and DevOps.

What You’ll Do

• Support critical infrastructure and deployment pipelines for enterprise-grade systems.
• Learn and apply best practices in system reliability, observability, and automation.
• Work with CI/CD tools, containerisation technologies like Docker, and orchestration platforms like Kubernetes.
• Monitor system performance, identify bottlenecks, and help ensure uptime and reliability.
• Troubleshoot incidents in production environments and implement long-term fixes.
• Collaborate with development, QA, and infrastructure teams to improve system resilience and performance.

 What We’re Looking For

• A Bachelor’s degree in Computer Science, Engineering, or a related field (Grade 7/10 or above).
• A basic understanding of system administration, networking, or cloud services (e.g. AWS, Azure, GCP).
• Familiarity with scripting languages such as Python, Bash, or PowerShell.
• An interest in automation, system monitoring, and CI/CD best practices.
• Fluent English communication skills (written and spoken).
• Completed Greek military service, if applicable.
  (Due to the nature of our client commitments in Greece — including long-term placements and time-sensitive onboarding — we require all candidates who are subject to mandatory national service to have either completed or been formally exempted from it prior to joining.)
• Applicants must have the permanent legal right to live and work in Greece at the time of application and on an ongoing basis. Unfortunately, we are unable to provide visa sponsorship now or in the future.

How the Programme Works

1. Apply – Submit your application and complete our online assessment.
2. Interview – Phone/video interview with our Talent Team.
3. Assessment Centre – Join an in-person group session in Athens.
4. Client Interview – Meet and interview with your future team.
5. Train – Attend 8 weeks of paid, expert-led training with mthree Academy.
6. Placement – Begin your 12-month placement with a global investment bank through mthree.
7. Launch – Transition into a permanent role with the client after successful completion.

What You’ll Get

• Paid training delivered by industry professionals.
• A competitive graduate salary, benefits package, and seasonal bonuses (Christmas & Easter).
• Ongoing mentorship, career coaching, and professional development support.
• A clear path to a permanent role with a top-tier investment bank.
• No training bond, hidden fees, or fine print — just a real opportunity.

Diversity and Inclusion at mthree

At mthree, we celebrate diversity and foster an environment where everyone can thrive.
We value inclusion, equality, and the health and well-being of all employees, ensuring our culture supports courageous teamwork, continuous learning, and making an impact.