Siniša V.
Windows System Administrator
Experience
Jun 2019 - Present
6 years 7 monthsBanja Luka, Bosnia and Herzegovina
Windows System Administrator
Pošte Srpske A.D.
- Manage Kaspersky Security Center for about 1700 workstations
- Configure and virtualize Windows 2019 Active Directory and domain controllers
- Administer Windows Server 2019 and Windows Server 2022 advanced operations
- Manage HyperV & VMware virtualization
- Perform SCCM OS imaging
- Administer Azure AD and identity management
- Handle patching and vulnerability management for software deployments
- Use SCOM for monitoring and managing infrastructure
- Troubleshoot incidents, including indicators or precursors, using SIEM
- Operate ticketing systems
- Build security policies in the domain and on Kaspersky Security Center
- Document processes and procedures and maintain infrastructure documentation
- Manage Windows workstations and provide 1st and 2nd line support onsite and remote
- Perform backup and patching
- Deploy and configure Linux server systems
- Facilitate remote interactions and videoconferencing
- Plan and implement network and application solutions
- Test and integrate new operating systems, drivers, and patches
- Use PowerShell scripting for automation
- Manage Mac OSX and Mac OS devices
- Install software and hardware
- Administer mobile device management (MDM)
- Resolve printing and software problems
- Repair mobile devices
- Work with DELL, IBM, and Fujitsu Siemens equipment
- Collaborate with vendors (Adobe, AutoCAD, Microsoft, Kaspersky)
- Administer and coordinate software and hardware orders and licenses
- Create guides and labs and provide training
Mar 2019 - Jun 2019
4 monthsMunich, Germany
IT Support Technician
Westwing Home & Living
- Work on Active Directory and JAMF
- Configure new laptops from images and onboard Mac and Windows devices
- Resolve IT tickets for offices in Germany and Poland
- Manage GSuite, Office 365, Matrix42, PowerShell, and cloud inventory and reporting
- Utilize IBM SIEM QRadar
- Configure and virtualize Windows 2012 R2 Active Directory and domain controllers
- Perform advanced operations on Windows Server 2016 and Windows Server 2019
- Use Microsoft Teams, Webex, and Zoom for collaboration
- Resolve printing and software problems
- Work with Windows Server 2016, 2022, and 2025
- Implement EDR and XDR cybersecurity solutions
- Support Skype for Business and Microsoft Exchange
- Manage vSphere and VMware ESXi environments
- Administer Ubuntu and CentOS systems
Feb 2003 - Feb 2019
16 years 1 monthBanja Luka, Bosnia and Herzegovina
Windows System Administrator
Pošte Srpske A.D.
- Manage Kaspersky Security Center 11 for about 1000 workstations
- Configure and virtualize Windows 2008 R2 & 2012 R2 Active Directory and domain controllers
- Administer Windows Server 2016 advanced operations
- Manage HyperV & VMware virtualization
- Work with SAN and NAS technologies
- Manage Office 365 and ticketing systems
- Perform data and disaster recovery
- Build security policies in Active Directory and on Kaspersky Security Center
- Manage Office applications
- Provide 1st and 2nd line support onsite and remote
- Perform OS imaging (Acronis), backup, and patching
- Deploy and configure Linux server systems
- Facilitate remote interactions, videoconferencing, and network sharing
- Plan and implement network and application solutions including TCP/IP, VPN, LAN, WAN
- Use PowerShell scripting for automation
- Manage Mac OSX and Mac OS devices
- Install and troubleshoot software and hardware
- Resolve printing and software issues
- Repair mobile devices
- Collaborate with vendors to coordinate software and hardware orders, guides, labs, and training classes
Summary
Experienced Windows System Administrator with a demonstrated history of working in State Postal Services. Skilled in Windows Server 2025 and Windows Server 2019&2022, VMware ESXi, Managing Active Directory&DC, managing Linux systems, MS Azure Cloud, MS 365,Win 10&11, remote tools for troubleshooting and deployment, security and monitoring servers, ticketing systems, etc.etc.
Mac OSX managing and smartphones fixing as additional skills.
Languages
English
AdvancedGerman
ElementaryEducation
Oct 1979 - Jun 1983
El.Technical Higher School
Certifications & licenses
MS-900 Exam: Microsoft 365 Fundamentals
AZ-900 Exam Preparation: Microsoft Azure Fundamentals
MCSA
Microsoft
MCP
Microsoft
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