Principal Windows Systems Engineer
from 🇬🇷 Greece
The Team
OpenBet 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 theFIFA World Cup andSuper Bowl to pioneering next-gen products like BetBuilder, 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 with100% 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.
The Goal
We are looking for aPrincipal Windows Infrastructure Engineer to own and evolve our global Windows, virtualization, server, storage, and backup infrastructure.
This is a senior hands-on technical role with responsibility forarchitecture, planning, operations, lifecycle management, standards, and continuous improvement across Windows systems, virtualization platforms, enterprise hardware, storage arrays, backup platforms, and core infrastructure services.
What you will be doing
- Own the global Windows server infrastructure, including design, operations, maintenance, and lifecycle management.
- Own the virtualization environment, including VMware Cloud Foundation, vCenter, and Hyper-V.
- Own enterprise systems hardware, including server, storage, and backup platforms.
- Lead infrastructure architecture, planning, standards, and technical roadmap activities.
- Act as the senior escalation point for complex infrastructure incidents and problems.
- Administer Windows Server, Server Core, Active Directory, DNS, DHCP, and Group Policy.
- Develop PowerShell automation for operations, reporting, deployment, and maintenance.
- Manage Dell PowerEdge and HPE ProLiant server platforms.
- Manage enterprise storage platforms, including NetApp and HPE MSA arrays.
- Own backup and recovery platforms, preferably Veeam.
- Contribute to disaster recovery, restore testing, and business continuity planning.
- Perform patching, upgrades, hardening, firmware updates, and capacity planning.
- Monitor availability, performance, capacity, backup status, and system health.
- Improve infrastructure stability, security, scalability, recoverability, and efficiency.
- Define and maintain technical documentation, procedures, standards, and runbooks.
- Work closely with network, security, application, vendor, and service provider teams.
- Participate in on-call / standby support duties.
The Player
- 6+ years of experience in Windows systems administration in large-scale environments.
- Strong ownership experience across Windows infrastructure, virtualization, servers, storage, and backup.
- Strong knowledge of Windows Server, including Windows Server Core.
- Strong experience with Active Directory, DNS, DHCP, Group Policy, LDAP, and authentication services.
- Advanced PowerShell scripting and automation skills.
- Strong experience owning VMware Cloud Foundation, vCenter, and/or Hyper-V environments.
- Strong experience with enterprise server hardware, especially Dell PowerEdge and HPE ProLiant.
- Strong experience with enterprise storage platforms, especially NetApp and HPE MSA.
- Strong experience with enterprise backup and recovery platforms, preferably Veeam.
- Good understanding of TCP/IP, VLANs, routing, subnetting, VPNs, and firewalls.
- Solid knowledge of DNS, HTTP/HTTPS, LDAP, SMTP, SNMP, WMI and TLS/SSL.
- Experience with monitoring tools such as Nagios, Zabbix, or Grafana.
- Experience with Tanium or similar configuration/deployment tooling.
- Experience with Azure or AWS.
- Understanding of ITIL practices and change management processes.
- Strong troubleshooting, planning, documentation, and communication skills.
Nice to Have
- Experience with acquisitions, mergers, migrations, or infrastructure integrations.
- Microsoft, VMware, Veeam, ITIL, Azure, or AWS certifications.
- Experience in global, multi-site, or data center environments.
- Experience defining infrastructure standards, roadmaps, lifecycle plans, and backup/recovery strategies.
What’s the Score?
What we can offer YOU:
- We have a collaborativehybrid office environment with our team members at least2 days per week.
- Attractive benefits, an open and supportive environment as well as a modern and exciting workplace
- The opportunity to interact with global teams on a regular basis as you and our business continues to develop & grow
- Tangible and genuine development - at OpenBet, you can take your career where you want it to go!
- And if that’s not enough; enjoyflexibleworking whilst we provide you with theguidance anddevelopmentskills you need to progress andenhance your career
At OpenBet, we celebrate diversity and believe in creating an inclusive environment where every voice is valued and respected. We're committed to building a team that reflects the rich tapestry of humanity, embracing individuals from all walks of life, backgrounds, and identities. Join us in shaping the future of iGaming, where diversity isn't just celebrated—it's celebrated.






