Network Reliability Engineer

Network Reliability Engineer – Athens, Greece | Kaizen Careers

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Network

Reliability

Engineer

DEPARTMENT

IT & Infrastructure

LOCATION

Athens, Greece

We are Kaizen Gaming

Kaizen Gaming, the team powering Betano, is one of the biggest GameTech companies in the world, operating in 20 markets. We always aim to leverage cutting-edge technology, providing the best experience to our millions of customers who trust us for their entertainment.

We are a diverse team of more than 2.700 Kaizeners, from 40+ nationalities spreading across 3 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. Ready to Press Play on Potential?

Let’s start with the role

A Network Reliability Engineer, as part of the Networks team, manages and maintains our company's network infrastructure. The Network Reliability Engineer will be in direct contact with internal stakeholders and external suppliers/providers, architecture, product engineering & product management. Along with the team, our new member will be responsible for translating business needs into technical solutions and implementing them.

#ouroneteam's goal is to eliminate operational inefficiencies and improve stability & reliability across Kaizen Gaming.

We are seeking a passionate and self-motivated Network Reliability Engineer who will have the opportunity to implement new technologies & enhance the existing ones. Sharing ideas & evolving on a dynamic & diverse Cisco-based network environment spanning across ten countries and continuously expanding will be everyday life!

As a Network Reliability Engineer, you will

• Maintain network availability by proactively identifying and resolving issues that impair connectivity
• Operate and evolve our network monitoring stack — build and maintain dashboards, alerts, and observability tooling to ensure full visibility across the infrastructure
• Develop and maintain Ansible playbooks and roles to automate repetitive operational tasks, configuration management, and network provisioning
• Collaborate with Network Engineers to design and implement functional company networks, both on-prem and in Cloud environments
• Respond to network incidents, perform root cause analysis, and drive resolution — contributing to postmortem documentation and preventive action items
• Manage ACL policies in the company's firewalls according to business needs
• Install and configure network equipment (switches, routers, firewalls)
• Monitor network performance trends, identify capacity constraints, and flag risks before they become incidents
• Manage the company's Wireless Network
• Create and implement network security measures
• Provide 2nd level support for VPN remote access
• Basic administration of the company's Telephony System (Cisco UCM)
• Deal with escalated network support issues

What you'll bring

• At least 3 years of hands-on experience in Cisco-based network environments
• Solid experience with network monitoring tools (e.g, Zabbix, Grafana, or similar) — including alert configuration and dashboard creation
• Strong Ansible skills for network automation — writing and maintaining playbooks, roles, and inventories for Cisco environments
• Good knowledge of TCP/IP, VLANs, Firewalls, and VPN technologies
• Familiarity with Python and Ansible scripting for network tasks (data parsing, API calls, automation support)
• Well-acquainted with Cisco network devices and appliances (Threat Defense, Nexus, Catalyst, IOS, ISE, ASA, Meraki etc.)
• Experience working with ITSM tools and following structured change/incident management processes
• Ability to perform duties in a fast-paced environment and quickly familiarise yourself with new technologies
• Ability to work collaboratively in a team environment with agility

Nice to Have

• CCNP or CCNA certification
• Experience with NetBox or similar IPAM/DCIM tools for network documentation and source of truth management
• Hands-on experience with cloud networking (GCP, Azure)
• Exposure to CI/CD pipelines for network-as-code workflows

Kaizen Gaming Perks

• A buddy will support you with your onboarding
• Competitive pay & bonus scheme
• Developmental 360° feedback framework
• Family Support
• Hybrid way of working
• Monthly meal allowance
• Private health insurance for you & your family
• Unlimited access to Udemy & continuous training

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We are an equal opportunity employer committed to fostering a diverse and inclusive workplace. We welcome applications from individuals of all backgrounds, regardless of race, gender, religion, sexual orientation,or age.