05/31/2026 updated

KK
100 % available

Senior Hybrid Cloud Infrastructure Engineer | Azure | VMware | AD | L3 | Enterprise Env

Sofia, Bulgaria
Worldwide
Bachelor’s Degree in Engineering
Sofia, Bulgaria
Worldwide
Bachelor’s Degree in Engineering

Profile attachments

Kiril-Koltchakov-2026.docx

About me

Senior Hybrid Cloud and Infrastructure Engineer with strong experience in Azure and hybrid enterprise environments. Specialized in operating and troubleshooting production infrastructure, including Azure Cloud, VMware, Active Directory, and enterprise networking.

Microsoft AzureVMware ESX ServersWindows ServersServer AdministrationVMware InfrastructureVMware VSphereVcenterVeeamVMware
Azure Cloud Operations
Azure Cloud expertise including AZ-104 operations, monitoring, and automation for enterprise environments

VMware Infrastructure Management
VMware vSphere, ESXi, and vCenter administration with high availability clustering capabilities

Hybrid Cloud Infrastructure
Design and optimization of complex infrastructures across cloud and on-premise systems

Windows Server Administration
Windows Server 2012-2022 management and configuration

Active Directory Services
Active Directory, GPO, DNS, and DHCP administration and security management

Network Infrastructure
VLAN, VPN, routing, and firewall configuration including WatchGuard and Mikrotik

Backup and Replication
Veeam Backup & Replication implementation and management

PowerShell Automation
PowerShell scripting for administrative task automation

ITIL and ServiceNow
ITIL framework and ServiceNow platform knowledge

Infrastructure Troubleshooting
Level 3 infrastructure troubleshooting and critical incident resolution

Experience

Professional experience10+ years
Freelancer since2015

Languages

BulgarianNative speakerEnglishFluentRussianFluentSpanishNative speaker

Project history

Senior Infrastructure Engineer — Freelance

Kapray S.A

Industry & Mechanical Engineering

• Resumed full infrastructure support and management after completing DXC contracts
• Administering VMware environments, Active Directory, networking, backups, and security
• Managing WatchGuard firewalls, VLANs, VPNs, and Veeam Backup & Replication

Azure Cloud Operations Engineer (L3)

DXC Technology
Operated and supported enterprise Azure cloud environments under SLA agreements, managed incidents and service requests in production environments, automated operational tasks improving efficiency and response times, troubleshot complex infrastructure issues across cloud and hybrid systems, ensured high availability, performance, and compliance of services

Infrastructure & Systems Specialist

International Projects (Atos & Global Events)
Delivered IT infrastructure for international events across Europe, Asia, and Americas, designed and deployed networks, Active Directory, DNS, and DHCP services, managed real-time systems and data distribution platforms, coordinated infrastructure deployment and ensured operational continuity

Wintel System Engineer (L3)

DXC Technology
Managed Active Directory environments including replication, GPO, security, and compliance, administered VMware infrastructure with ESXi, vCenter, storage, and networking, supported Windows Server environments including clustering and high availability, automated administrative tasks using PowerShell, managed patching processes with WSUS and enterprise tools

Senior System Engineer

Kapray S.A.
Designed and implemented enterprise IT infrastructure including servers, network, and security, built and managed VMware HA clusters and virtualized environments, implemented backup strategy using Veeam Backup & Replication, configured VLAN segmentation, VPN access, and secure remote connectivity, administered Active Directory, DNS, DHCP, and core services, improved network security using WatchGuard firewalls

Certificates

Microsoft MCP – AZ-104

Microsoft

2024

VMware VCP DCV-2020

vmWare

2021

VMware VCP-SV

VMware

2021

VMware VTSP

VMware

2021

Microsoft MCP – AZ-900

Microsoft

2019

Veeam VMSP

Veeam

2019

Sophos Certified Engineer

Sophos

2018

Sophos Sales Consultant

Sophos

2018

WMware VTSP-SV

WMware

2018

Veeam VMTSP

Veeam

2018


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