Network Infrastructure Engineer

We are looking for a Network Infrastructure Engineer to support and develop network infrastructure in a production/trading environment.

Key Responsibilities

• Administer and develop network infrastructure based on Cisco Nexus.
• Configure and maintain VLAN, LACP, vPC, routing, BGP, and VPN ендпоінтс.
• Work with Palo Alto Networks, including firewall policies, NAT, routing, Site-to-Site VPN, and troubleshooting.
• Build and maintain connectivity between data centers, providers, and partners.
• Organize cross-connects in data centers and coordinate with providers and remote hands.
• Configure and maintain AWS Direct Connect and Azure ExpressRoute / VPN connectivity.
• Troubleshoot network issues in production environments, including latency, packet loss, routing, firewall, VPN, and physical connectivity issues.
• Support network connectivity for Windows and Linux servers.
• Monitor the availability and health of network infrastructure.
• Document, standardize, and automate network equipment configuration using Ansible.
• Manage cloud network infrastructure using Terraform / Infrastructure as Code.
• Participate in designing and maintaining fault-tolerant and highly available network architecture.

Requirements

• 5+ years of experience in Network Infrastructure Engineering role.
• Strong knowledge of TCP/IP, VLAN, STP, LACP, NAT, ACL, DNS, and routing.
• Hands-on experience with BGP.
• Experience with Git and CI/CD practices for Infrastructure as Code.
• Experience administering Cisco network equipment, preferably Cisco Nexus.
• Hands-on experience with Palo Alto Networks or similar enterprise firewalls.
• Experience configuring and troubleshooting IPsec Site-to-Site VPNs.
• Understanding of Data Center networking and cross-connect connectivity.
• Practical understanding of networking in AWS and/or Azure.
• Experience using Ansible for network infrastructure configuration and automation.
• Experience using Terraform.
• Systematic approach to troubleshooting and experience handling production incidents.
• Experience with network monitoring and logging tools such as SNMP, Syslog, Grafana, Zabbix, or similar solutions.
• English proficiency at B1+ (sufficient for working with technical documentation and communicating with international providers).

Nice to Have:

• Experience with AWS Direct Connect / Azure ExpressRoute.
• CCNA, CCNP, or Palo Alto certifications.
• Experience with Python or PowerShell.
• Experience working in FinTech, Trading, or other high-availability environments.
• Experience with VXLAN/EVPN and advanced Cisco Nexus networking.

What we offer:

• 20 paid vacation days per year
• 10 paid sick leave days per year
• Public holidays as per the company’s approved Public holiday list
• Medical insurance
• Opportunity to work remotely
• Professional education budget
• Language learning budget
• Wellness budget (gym membership, sports gear and related expenses)