Network Engineer

Title: Network Engineer

Location: Labège, Toulouse, France (Hybrid – 3 days in a week)

Long-Term Contract.

Job Description:

We are looking for a Network Engineer to lead the testing and validation of our network infrastructure migration to the new network solution. You will be responsible for validating connectivity, performance, and security of our services during the transition, ensuring optimal service continuity for the Engineering team.

Responsibilities

Network Testing and Validation (Primary Focus):

• Develop and execute comprehensive test plans to validate the migration of our network infrastructure to the solution

• Perform connectivity, latency, bandwidth, and security tests between our environments

• Validate access to our tools (Git repositories, CI/CD platforms, development environments) from network environments

• Identify and resolve routing, firewall, VPN, and DNS issues related to migration

• Conduct load and performance tests to ensure critical services maintain their SLAs

• Document network configurations, data flows, and connectivity matrices

• Collaborate with network teams to align architectures and resolve incompatibilities

• Create troubleshooting runbooks develop and maintain scalable and reliable code.

Profile & Key Skills

• Bachelor’s degree in computer engineering, Telecommunications, or related field

• Minimum 5 years of experience in enterprise network architecture and administration

• Knowledge in network protocols and VPN technologies

• Knowledge in network security technologies (firewalls, IDS/IPS, segmentation)

• Experience with cloud network architectures (AWS VPC, Direct Connect, Transit Gateway)

• Proven skills in testing and validating network infrastructures

• Proficiency with network diagnostic tools (Wireshark, tcpdump, traceroute, nmap)

• Experience with monitoring tools (Prometheus)

• Ability to work in multi-cloud and hybrid environments

• Strong analytical and problem-solving skills

• Excellent technical documentation skills

• Proficiency in English (oral and written) in computer science, Engineering, or a related technical field.