Network Engineer (ISP)

Quick Facts

• Role: Network Engineer (ISP)
• Location: Prague 1 (mostly onsite in the city)

Description

You’ll operate and further develop an ISP’s own optical network in central Prague—from core routing to customer equipment. The work includes routing (BGP, OSPF), VLAN/segmentation, IPv6 deployment, incident diagnostics and fast recovery, security/hardening and vulnerability management, plus monitoring and automation. You’ll also communicate with customers in Czech and English.

Responsibilities

• Operate and develop routing (BGP, OSPF)
• Implement VLAN and network segmentation
• Deploy and manage IPv6
• Administer and support hundreds of MikroTik and Ubiquiti devices
• Diagnose causes of outages and prevent recurrence
• Apply security standards: firewalls, hardening, updates, vulnerability management, and documentation/processes aligned with NIS2
• Monitor and automate network operations using Zabbix or LibreNMS, bulk change scripts, RouterOS scripting, Python, and Ansible
• Contribute to projects such as network security monitoring (SIEM, IDS) and connectivity for live broadcasts during major events
• Provide customer support and communicate in Czech and English

Requirements

• At least 2 years of network administration experience (ISP, data center, or systems integrator preferred)
• Practical knowledge of TCP/IP, VLAN, static routing, firewall, and NAT
• Advanced MikroTik RouterOS v7 experience (MTCNA/MTCRE a plus)
• Linux experience at the command-line level
• Ability to work independently and follow through to completion

Benefits

• Compensation: 50–65k CZK per month depending on experience (IČO agreement)
• Full-time, or optionally 3/5–4/5 workload by agreement
• Flexible working model focused on results; mostly onsite in Prague 1 (office + field)
• Start: immediately or by agreement
• Shared company cars (Car4way, Liftago, Bolt)
• Office in historic city center with a terrace view of Prague Castle
• Support from an office manager for operational help