Senior IT Infrastructure Engineer (Windows, WMware)

Relout is a boutique consulting and technology partner working for international projects and clients from various industries, helping startups, software houses, and enterprises to transform and scale their businesses. The company connects passionate engineers with fast-growing digital and technology companies.

• 6–8+ years of commercial experience in roles such as Senior System Engineer, Senior SysAdmin, Infrastructure Engineer, or similar
• Proven experience supporting hybrid IT environments (on-premises + cloud)
• Strong hands-on expertise with VMware (ESXi, clustered environments) – must have
• Solid experience with Microsoft ecosystem – Microsoft 365 (Exchange Online, Entra ID, Intune, SharePoint), Active Directory & Group Policy, Windows Server (2016–2025) and Windows 10/11
• Strong knowledge of core infrastructure services – DNS, DHCP, NTP, networking fundamentals
• Experience working at L3 support level (troubleshooting, root cause analysis, escalations)
• Familiarity with enterprise infrastructure environments (servers, storage, virtualization, networking)
• Experience with monitoring and management tools (e.g. PRTG, SNMP, RMM tools)
• Understanding of identity management, SSO, and security best practices
• High level of ownership and accountability – ability to take full responsibility for systems and tasks end-to-end
• Fluent English communication skills (C1/C2) – must have, as the role involves daily collaboration with UK-based stakeholders
• Strong problem-solving mindset and ability to work independently
• Ability to create and maintain technical documentation

• Maintain and support central IT infrastructure across multiple sites and business units
• Act as an L3 escalation point, resolving complex incidents and technical issues
• Take end-to-end ownership of assigned systems, incidents, and projects
• Manage and support VMware-based infrastructure, ensuring high availability and performance
• Configure and maintain Microsoft 365 environment (Exchange Online, Entra ID, Intune, SharePoint)
• Administer and support Active Directory, Group Policy, and Windows environments
• Participate in and deliver infrastructure projects: migrations (e.g. to cloud / M365), modernization initiatives, system upgrades and improvements
• Collaborate closely with UK-based stakeholders, internal IT teams, and external vendors
• Monitor systems, troubleshoot issues, and ensure high uptime and reliability
• Identify opportunities for automation and standardization to improve efficiency
• Support security and compliance across infrastructure and services
• Participate in planned maintenance activities (including occasional out-of-hours work)
• Align working hours with the client’s (UK) time zone, ensuring availability during 10:00–18:00 Polish time to support ongoing collaboration and operations

The role follows the client’s (UK) time zone, with standard working hours of 10:00–18:00 Polish time.