11/01/2026 updated

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Senior IT Infrastructure Engineer | Microsoft Infrastructure | Virtualization & Automation

Bucharest, Romania
Worldwide
Master's Degree in Computer Science for Business Management
Bucharest, Romania
Worldwide
Master's Degree in Computer Science for Business Management

Profile attachments

1Octavian_Costache-Dulfu_Freelancermap_B2B_CV_v7.docx

Application VirtualizationMicrosoft App-VComputer MaintenanceComputer EngineeringMicrosoft Management ConsoleData VirtualizationDesktop VirtualizationVMware ESX ServersVMware ServersInternet Information Services (IIS)IT ManagementInformation Technology OperationsInfrastructure ManagementInfrastructure Management ServicesMicrosoft Operating SystemsMicrosoft ServersMicrosoft SoftwaresMicrosoft SpecialistServer AdministrationServer VirtualizationVMware InfrastructureVMware VirtualizationVMware VSphereVirtual System AdministratorVirtualization ToolsCloud Integration
Microsoft Infrastructure
Expertise in Windows Server, Active Directory, Azure AD / Entra ID, PKI, Intune and the broader Microsoft endpoint ecosystem, covering identity services, endpoint management and enterprise platform operations.

Virtualization & Private Cloud
Hands-on experience with Nutanix AHV, VMware, vRealize, Azure Pack and VMM, including VM lifecycle management, performance analysis, storage bottleneck resolution and private cloud platform leadership.

Automation & PowerShell
Proficiency in PowerShell scripting and workflow automation using Microsoft Power Automate, enabling VM lifecycle automation, compliance governance, migration workflows and a significant reduction in manual operational tasks.

L3 Incident Investigation & Troubleshooting
Deep experience in L3 infrastructure troubleshooting across Windows, virtualization, storage and network dependencies, including root cause analysis for complex enterprise incidents.

Monitoring & Observability
Integration of Nutanix, SCOM and Grafana into unified monitoring dashboards, as well as experience with Prometheus and Veeam for enterprise-level observability and backup.

ITIL & IT Service Management
Certified in ITIL Foundation v4.2 (2025), with practical application of ITIL principles in infrastructure operations, incident management and cross-team technical delivery.

Linux & Containerization
Working knowledge of Linux systems and Docker, supporting hybrid infrastructure environments and isolated AI-enabled operational tooling.

Software Compliance & Governance
Design and development of a .NET 8 MVC / SQL Server application using Intune software inventory, implementing compliance policies, findings, exception approvals, audit history and controlled notifications.

AI Infrastructure
Design of isolated enterprise AI environments for internal operational support, combined with foundational AI knowledge from the Elements of AI course by the University of Helsinki and MinnaLearn.

Experience

Professional experience10+ years
Freelancer since2010

Languages

EnglishFluentRomanianNative speaker

Project history

Senior Infrastructure Engineer

Systematic
Delivering hands-on L3 infrastructure troubleshooting across Windows, virtualization, storage, network dependencies and enterprise platforms. Analyzing Nutanix AHV VM placement, performance and storage bottlenecks. Supporting infrastructure modernization, endpoint management integration and cross-team technical delivery. Building automation and governance solutions, developing internal Microsoft infrastructure solutions and implementing secure isolated infrastructure for internal AI-enabled operational tooling.

Senior Cloud Engineer (private cloud lead responsibilities)

Luxoft
Provided technical direction for enterprise private cloud infrastructure, including VMware and Microsoft platforms. Improved reliability and operational efficiency through PowerShell and Microsoft Power Automate workflows.

Senior Cloud Engineer

Luxoft
Administered enterprise cloud environments, automated infrastructure tasks and handled complex L3 escalations.

Windows Server Administrator

Luxoft
Administered Windows Server infrastructure and supported availability and stability of enterprise systems.

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