Network Infrastructure Engineer
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Summary
JustMarkets seeks a Network Infrastructure Engineer to build and run the network behind its production trading environment. Day to day this means Cisco Nexus switching, Palo Alto firewalls, BGP/VPN and data-center connectivity, AWS/Azure cloud networking, and automation with Ansible and Terraform.
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 a 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 enterprise firewalls.
- Experience configuring and troubleshooting IPsec site-to-site VPNs.
- Understanding of data center networking and cross-connect connectivity.
- A systematic approach to troubleshooting and experience handling production incidents.
- Experience with network monitoring and logging tools.
- Professional proficiency in English.
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)
Skills
As published by greenhouse
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