Network Engineer Expert - Load Balancing

About the job

Our Application Delivery engineers support AXA’s “One Network” transformation by migrating VIPs from legacy Viprion hardware to modern virtual solutions on Cisco ACI Fabric. This migration enhances application availability, operational efficiency, and security across the organization.

Main missions

Your responsibilities include:

• Design, deploy, and maintain F5 load balancing solutions, including VIPs, pools, and profiles
• Lead the decommissioning of Viprion chassis and migrate VIPs to the F5 Virtual Edition on Cisco ACI Fabric, ensuring minimal disruption
• Troubleshoot and support F5 infrastructure to ensure high application performance and availability
• Develop documentation for low-level designs, configurations, migration plans, and operational procedures
• Collaborate with teams to gather requirements, support projects, and ensure security and scalability
• Participate in capacity planning, performance tuning, and resilience strategies
• Implement upgrade and patching roadmaps and disaster recovery plans for F5 environments
• Support team knowledge sharing and documentation updates
• Ensure reliable, secure operation of AXA’s F5 infrastructure, including migrating VIPs from Viprion to virtual solutions
• Lead migration projects with minimal service impact, supporting digital transformation ambitions
• Enable rapid incident response and troubleshooting during migration and day-to-day operations
• Promote continuous improvement through documentation, knowledge sharing, and best practices
• Support scalability and resilience of application delivery infrastructure for future growth

Expected skills & experience

Experience

• Proven experience deploying F5 solutions, hardware decommissioning, VIP creation, VIP migration, and automation in enterprise environments
• Hands‑on with Viprion hardware, F5, and Cisco ACI Fabric integration
• Skilled in technical documentation, migration planning, and troubleshooting
• Knowledge of load balancing, application security, high availability, and network integration best practices

Skills

• 8‑10 years of experience in F5 load balancing, VIP migration, and infrastructure automation
• Fluency in English
• Strong skills in BIG‑IP configuration, VIP migration, and hardware decommissioning
• Strong skills in Terraform automation and Python scripting
• Familiarity with Cisco ACI Fabric and integration strategies
• Excellent troubleshooting, documentation, and communication skills
• Up to date with trends in load balancing, security, and automation solutions

What we offer

We bring together the expertise, cultural diversity and creativity of over 8,000 employees worldwide and we’re committed to equal opportunities in all aspects of employment (gender, LGBT+, disabled persons, or people of different origins) and to promoting Diversity & Inclusion by creating a work environment where all employees are treated with dignity and respect, and where individual differences are valued.