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Stefan Krstic
@stefankrstic1
Junior Network Administrator
Serbia
English
About me
I am a Junior Network Administrator with a strong focus on Cisco networking and network administration. I have hands-on experience with network troubleshooting, VLANs, routing, switching, DHCP, DNS, ACLs, NAT, and other essential networking technologies. I am currently expanding my Cisco networking expertise as a CCNA student and continuously developing my practical skills through network labs and troubleshooting.
Skills
Stefan Krstic
Offline •
See my services
Technical Support
I will analyze your wireshark capture
Work experience
L1 support
NCR • Full-time
Aug 2026 - Present • 2 mos
• Currently working as an L1 IT Support Specialist at NCR Voyix, providing technical support and troubleshooting in a corporate IT environment. • Working with Cisco Meraki networking equipment and assisting with network-related incidents and connectivity issues. • Troubleshooting network connectivity and assisting with physical network changes and port-related issues. • Gained practical experience working in a large-scale enterprise IT environment and following structured troubleshooting and support procedures. • Currently expanding my networking expertise through CCNA studies, with hands-on practice in Cisco routing, switching, VLANs, STP, OSPF, DHCP, NAT/PAT and ACLs.
