Hire the Best Telecommunications Engineers
in Serbia

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Goran C.

Novi Sad, Serbia

$60/hr
4.9
86 jobs

I'm network and VOIP engineer with 11 years of experience. Over time I've completed the following certificates: 1. CCNA 2. CCNA security 3. CCNA wireless 4. CCNP - Not certified yet 5. MTCNA 6. MTCRE 7. Linux Essentials 8. LPIC-1 9. Sophos UTM Engineer 10. dCAA 11. 3CX I have experience with the following vendors: Cisco Cisco ACI MikroTIK Sophos UTM Fortinet Checkpoint HP Ubiquiti - Unifi Juniper Alied Telesis PfSense I can help you with: Router configuration WAN Failover VPNs - IPSec, L2TP, OpenVPN etc... Routing - Static, Dynamic including OSPF and BGP MPLS - L3VPN IPSec Firewall - Filter rules, mangle rules etc... FHRP VRF QoS Switch configuration Vlans FHRP Etherchannel Port security Voice Vlan Trunks Troubleshooting Wireless configuration Cisco WLC and LWAPs Ubiquity Unifi - AP, Switch, USG MikroTIK - I have probably configured 500+ MikroTIK devices VOIP 3CX PBX deployment on prem and in cloud Phone management SIP Trunk management DID management IVR Queues Ring Groups etc... Email security Sophos UTM email filter Spam Titan email filter DNS - SPF, DKIM, DMARC Reach out if you find this interesting and we can discuss the details about your project.

  • VPN
  • Ubiquiti
  • VoIP
  • Network Design
  • MikroTik
  • Network Administration
  • MikroTik RouterOS
  • Linux System Administration
  • Cisco Certified Network Professional
  • Sophos Sophos UTM
  • Cisco Certified Network Associate
  • Mikrotik RouterBOARD
  • Cisco Router
  • PfSense
  • 3CX
Nenad S.

Zajecar, Serbia

$130/hr
4.2
72 jobs

I am a Senior Network Engineer/Consultant with nearly 20 years of hands-on experience designing, building, securing, and supporting enterprise networks across globe. My approach is simple: I solve problems fast, apply best practices, and help businesses run reliable, secure, and scalable networks—without overcomplicating things. What I Do • Network architecture & design • Firewall engineering (Palo Alto, Fortigate, Cisco ASA/FTD/Meraki) • Routing, switching & wireless for small businesses, enterprises, and MSP environments • Cisco Catalyst Center (DNA Center) automation, assurance, and integrations • Cloud networking: AWS & Azure • Zero Trust, segmentation, VPN/IPsec, SD-WAN • Network audits, troubleshooting & optimization Core Technologies • Firewalls: Palo Alto (Pan-OS, Panorama), Fortigate (FortiOS), Cisco ASA, Firepower/FTD, Meraki MX • Cisco Routing & Switching • Wireless: Cisco, Meraki, Unifi • Automation & Tools: Cisco Catalyst Center (DNA Center), Ansible, APIs • Cloud: AWS networking, Azure networking Certifications • CCNP Enterprise • CCNA Security, Wireless, Collaboration, Enterprise Why Clients Hire Me ✔ Fast, clear communication ✔ High-quality network solutions that save time, money, and frustration ✔ Strong troubleshooting and root-cause skills ✔ Practical, business-focused engineering—no overengineering I help companies stabilize, secure, and modernize their networks so they can focus on what matters.

  • Network Security
  • Cisco ASA
  • Network Administration
  • Cisco Certified Network Professional
  • Network Analysis
  • Wireless Network Implementation
  • Network Monitoring
  • Cisco Meraki
  • Cisco Certified Network Associate
  • Network Design
  • Wireshark
  • Network Engineering
  • Business with 100-999 Employees
  • Network Planning
Vladan B.

Kragujevac, Serbia

$15/hr
5.0
1 jobs

Configure, monitor, and maintain routers and switches (access, aggregation, and service routers). Implement and troubleshoot dynamic routing protocols (BGP, IS-IS, OSPF) and static routing. Manage QoS policies including policing, shaping, and traffic prioritization. Analyze and resolve issues related to L2VPN, L2TP, NAT, TCP/UDP performance, and network slicing. Work with synchronization technologies such as PTP and SyncE, including troubleshooting PDV, servo states, and ESMC/SSM propagation. Support optical and transport technologies (DWDM, OTU4, OSC, SDH/SONET). Conduct network performance testing, monitoring (alarms, PDV measurements, interface utilization), and packet analysis (e.g., Wireshark). Provide expertise in access vs. service router roles and integration with SIP/SBC infrastructure. Document network designs, configurations, and troubleshooting procedures.

  • Network Engineering
  • Video Editing
  • Data Scraping
Janos S.

Kragujevac, Serbia

$50/hr
5.0
4 jobs

I have 15+ years of experience with system administration and also extensive knowledge of: - Python - JavaScript - SQL - PHP - Telecommunications - Engineering - SNMP - Automated Monitoring Feel free to contact me!

  • Telecommunications Engineering
  • Network Administration
  • SQL
  • JavaScript
  • PHP
  • Automated Monitoring
  • Home Automation
  • Python
  • SQLite Programming
  • Arduino
  • SQL Programming
  • SNMP

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