Network Engineer

About the role

Monri Payments, a Croatian fintech company providing secure payment solutions for merchants, is expanding its multi-data center footprint and is hiring a Network Engineer for its Infrastructure & Platform Engineering team. The role helps design, maintain and secure the network systems behind the payment platforms, with a hybrid work model based in Zagreb.

Key responsibilities

• Design secure, scalable LAN/WAN topologies and contribute to high-availability IP solutions (BGP-based Anycast, AWS Route53, multi-DC routing).
• Install, configure, test, maintain and troubleshoot network software and infrastructure across multiple data centers; hardware maintenance is handled by the network technician team.
• Monitor network health, optimize throughput, ensure availability and take part in lifecycle management and capacity planning.
• Review firewall rules semi-annually in PCI DSS-scoped data centers, review access rights monthly and update third-party connection lists.
• Maintain up-to-date network diagrams and documentation for all systems and services.
• Diagnose connectivity issues, perform root cause analysis and implement preventive improvements.
• Work with network technicians, system engineers, developers, security teams and external partners.

Required profile

• 3 years of experience as a Network Engineer or Network Administrator.
• Strong understanding of LAN/WAN principles and hands-on experience with routing, switching and network services (DNS, VPN, VLANs).
• Knowledge of TCP/IP, BGP, OSPF and other modern protocols and standards.
• Experience with diagnostic tools such as Wireshark or tcpdump and strong troubleshooting skills.
• Linux/Unix experience.

Nice to have

• CCNA, CCNP or equivalent certification.
• Cisco switching platforms, Fortinet routers and switches, Mikrotik RouterOS.
• Enterprise monitoring tools (Nagios, Zabbix, Grafana, LogInsight) and basic Windows Server knowledge (AD, DHCP, DNS, NPS).
• Scripting to automate network operations.

What we offer

• Attractive salary, benefits and support for professional certifications.
• Work on mission-critical infrastructure and ownership of the multi-DC network architecture.
• A collaborative engineering team with opportunities for cross-learning and growth.