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)