Senior Systems Engineer

The Team

Open Bet is a global leader in betting and gaming entertainment, trusted by over 200 partners to create memorable winning moments for millions of players worldwide. From processing bets during iconic events like the FIFA World Cup and Super Bowl to pioneering next‑gen products like Bet Builder, we continuously redefine the player experience with high-quality content, cutting-edge technology, and advanced player protection tools.

For over 25 years, our unbeatable platform has powered the most recognizable betting brands, ensuring peak performance with 100% uptime, unmatched scale, and speed. With 85 licenses, 20 World Lottery Association operators on our customer roster, and a team of 1,200+ experts across 14 countries, we remain at the heart of the industry.

We are looking for a Senior Systems Engineer to own and evolve our global Windows and Linux, virtualization, server, storage, and backup infrastructure.

This is a senior hands‑on technical role with responsibility for architecture, planning, operations, lifecycle management, standards, and continuous improvement across Windows and Linux systems, virtualization platforms, enterprise hardware, storage arrays, backup platforms, and core infrastructure services.

• Manage the global Windows server infrastructure, including operations, maintenance, and lifecycle management.
• Administer Linux servers (RHEL, Rocky Linux, Ubuntu, or Debian) to a working proficiency level, supporting day‑to‑day operations and routine troubleshooting across the mixed estate.
• Administer and maintain virtualization platforms, including VMware Cloud Foundation, vCenter, and Hyper‑V.
• Manage enterprise systems hardware, including server, storage, and backup platforms.
• Contribute to infrastructure planning, operational improvements, and technology refresh initiatives.
• Act as the senior escalation point for complex infrastructure incidents and technical issues, across both Windows and Linux environments.
• Administer Windows Server, Server Core, Active Directory, DNS, DHCP, and Group Policy.
• Develop Power Shell automation for operational tasks, reporting, deployments, and maintenance; apply shell scripting for equivalent tasks on Linux systems.
• Apply Dev Ops practices - including CI/CD pipelines and version control - to infrastructure automation and deployment workflows across both platforms.
• Manage Dell Power Edge and HPE Pro Liant server platforms.
• Manage enterprise storage platforms, including Net App and HPE MSA arrays.
• Administer backup and recovery platforms, preferably Veeam.
• Perform patching, upgrades, hardening, firmware updates, and capacity planning across both operating environments.
• Monitor availability, performance, capacity, backup status, and overall system health.
• Support and manage workloads across on‑premises and cloud infrastructure (Azure and/or AWS).
• Improve infrastructure stability, security, scalability, recoverability, and operational efficiency.
• Create and maintain technical documentation, operational procedures, and runbooks.
• Collaborate closely with network, security, application, vendor, and service provider teams.
• Participate in an on‑call / standby support rotation.

• 5+ years of experience in Windows systems administration within enterprise or large‑scale environments.
• Strong experience administering Windows infrastructure, virtualization, servers, storage, and backup platforms.
• Strong knowledge of Windows Server, including Windows Server Core.
• Strong experience with Active Directory, DNS, DHCP, Group Policy, LDAP, and authentication services.
• Advanced Power Shell scripting and automation skills.
• Working proficiency administering Linux servers (RHEL, Rocky Linux, Ubuntu, or Debian), including routine administration…