08/19/2026 updated


100 % available
Senior Infrastructure Engineer | Virtualization | Hybrid & Private Cloud
Radom, Poland
Only remote
Bachelor's degree in Automation and Computer Engineering, Warsaw University of TechnologyAbout me
Infrastructure engineer, 20y+ of experience. Strong background in VMware and Nutanix, Windows and Active Directory, Linux, storage, backup, networking and Fortinet security. Experienced in HA and BC solutions, infrastructure projects, vendor coordination and collaboration with international teams.
VMware ESX ServersVMware ServersHardware VirtualizationHypervisorInfrastructure ManagementLinux ServersHigh Availability ClustersWindows AdministrationNutanix
Virtualization & HCI
Expertise in VMware vSphere, ESXi, vCenter, Nutanix and Hyper-V environments, including high-availability configurations and enterprise-grade virtualization deployments for medium and large organizations.
Storage & Data Protection
Hands-on experience with NetApp, DataCore, SAN/NAS, Fibre Channel storage platforms as well as data protection solutions including Commvault, Veeam and Backup Exec.
Network & Security
Proficiency in Fortinet firewalls, VPN, LAN/WAN/Wi-Fi, network segmentation and infrastructure security, including configuration, monitoring and incident resolution.
Windows Server & Active Directory
Administration of Windows Server 2008-2022 environments, Active Directory, Microsoft 365, Ubuntu and CentOS systems across production environments.
Operations & Delivery
Lifecycle management, infrastructure upgrades, monitoring, troubleshooting, disaster recovery and business continuity planning, as well as documentation and technical standards creation.
Leadership & Project Coordination
Team leadership, project coordination, budgeting, vendor management, client workshops and technical presentations, including coordination with international corporate headquarters.
Linux Systems Administration
Support and administration of Linux systems (Ubuntu, CentOS) across production environments alongside Windows Server platforms.
Backup & Business Continuity
Implementation and support of backup platforms including Veeam, Backup Exec and Commvault, with a strong focus on availability, disaster recovery and controlled change management.
Expertise in VMware vSphere, ESXi, vCenter, Nutanix and Hyper-V environments, including high-availability configurations and enterprise-grade virtualization deployments for medium and large organizations.
Storage & Data Protection
Hands-on experience with NetApp, DataCore, SAN/NAS, Fibre Channel storage platforms as well as data protection solutions including Commvault, Veeam and Backup Exec.
Network & Security
Proficiency in Fortinet firewalls, VPN, LAN/WAN/Wi-Fi, network segmentation and infrastructure security, including configuration, monitoring and incident resolution.
Windows Server & Active Directory
Administration of Windows Server 2008-2022 environments, Active Directory, Microsoft 365, Ubuntu and CentOS systems across production environments.
Operations & Delivery
Lifecycle management, infrastructure upgrades, monitoring, troubleshooting, disaster recovery and business continuity planning, as well as documentation and technical standards creation.
Leadership & Project Coordination
Team leadership, project coordination, budgeting, vendor management, client workshops and technical presentations, including coordination with international corporate headquarters.
Linux Systems Administration
Support and administration of Linux systems (Ubuntu, CentOS) across production environments alongside Windows Server platforms.
Backup & Business Continuity
Implementation and support of backup platforms including Veeam, Backup Exec and Commvault, with a strong focus on availability, disaster recovery and controlled change management.
Experience
Professional experience10+ years
Freelancer since2015
Languages
EnglishFluentPolishNative speaker
Project history
Administering and monitoring enterprise infrastructure to maintain high availability and service continuity. Supporting more than 200 Windows Server and Linux systems across production environments. Administering VMware virtualization, Commvault data protection and NetApp storage platforms. Planning and executing infrastructure installation, upgrade and deployment activities. Diagnosing and resolving complex hardware, operating-system and infrastructure incidents, working with internal teams and vendors.
Built the IT infrastructure for a new European business entity, covering systems, virtualization, networking and security. Administered VMware, Veeam, Fortinet, Windows Server and Microsoft 365 environments. Maintained information-system security and continuity of business-critical services. Managed the local IT budget and coordinated suppliers, infrastructure work and operational priorities. Created technical standards and procedures and coordinated local IT activities with corporate headquarters in Asia.
Designed, implemented and maintained high-availability server and storage environments for medium and large organizations. Delivered VMware and DataCore virtualization, server, storage, tape, LAN and SAN solutions. Implemented and supported Veeam and Backup Exec backup platforms and Fortinet firewall and VPN solutions. Led a team of system engineers and coordinated technical delivery across customer projects. Translated business requirements into infrastructure designs and delivered customer training, technical workshops and business presentations.