Network Infrastructure Engineer
JustMarkets Reims, Grand Est, France
Financial Services · 501-1,000 employees
Applying here? Try the free cover letter tool — paste this posting and your résumé, no account needed.
About the role
The Network Infrastructure Engineer will support and develop network infrastructure in a production and trading environment. Responsibilities include configuring Cisco Nexus equipment, managing Palo Alto firewalls, and maintaining connectivity across data centers and cloud platforms.
What they look for
Requirements
Candidates must have 5+ years of experience in network infrastructure engineering with strong knowledge of TCP/IP, BGP, and enterprise firewalls. Proficiency in automation tools like Ansible and Terraform, along with experience in CI/CD practices, is required.
Benefits
Full description
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)
