Lead System Engineer - SDWAN

Role Summary

The  Lead System Engineer - SD‑WAN  is responsible for advanced operations, troubleshooting, and support of enterprise WAN and SD‑WAN environments. This role serves as a senior technical escalation point, ensuring network stability, performance optimization, and adherence to design and operational standards.

Key Responsibilities

• Provide L3 level support for WAN, MPLS, and SD‑WAN technologies in production environments.
• Handle complex WAN incidents and chronic problems, ensuring root cause analysis and permanent fix implementation.
• Perform advanced troubleshooting across SD‑WAN overlays, underlays, QoS, routing, and security integrations.
• Participate in network lifecycle activities including deployment, migration, upgrades, and optimization.
• Review and validate WAN/SD‑WAN designs and configurations against enterprise standards.
• Support change management activities including implementation planning, risk assessment, and rollback strategies.
• Work closely with L4 architects and consultants for design clarifications and solution enhancements.
• Use monitoring and analysis tools such as Wireshark, Splunk, Netscout, ThousandEyes, and internal HCS tools.
• Automate recurring operational tasks using Python and Ansible.
• Contribute to problem management, documentation, and knowledge base creation.
• Provide technical inputs and status updates to service managers and stakeholders.

Mandatory Technical Skills

• Strong hands‑on experience with Traditional WAN, MPLS, and SD‑WAN.
• Deep operational expertise with Cisco WAN and SD‑WAN solutions.
• Advanced troubleshooting experience in high‑availability production environments.
• Proficiency with Python and Ansible for automation and troubleshooting support.
• Strong understanding of routing protocols, QoS, VPNs, and WAN performance optimization.
• Experience with network monitoring and packet analysis tools.

Experience & Qualifications

• 8–12 years of experience in network operations and WAN projects.
• Proven experience working in 24x7 enterprise production environments.

Abilities / Skills Required

• Strong stakeholder engagement / Client Relationship Management
• Very good attitude, good listener and adapter
• Motivated and proactive and ready to take more challenges
• Lead incident as final point of escalation 

At Société Générale, we are convinced that people are drivers of change, and that the world of tomorrow will be shaped by all their initiatives, from the smallest to the most ambitious.

Whether you’re joining us for a period of months, years or your entire career, together we can have a positive impact on the future. Creating, daring, innovating and taking action are part of our DNA.

If you too want to be directly involved, grow in a stimulating and caring environment, feel useful on a daily basis and develop or strengthen your expertise, you will feel right at home with us!

Still hesitating?

You should know that our employees can dedicate several days per year to solidarity actions during their working hours, including sponsoring people struggling with their orientation or professional integration, participating in the financial education of young apprentices and sharing their skills with charities. There are many ways to get involved.

We are committed to support accelerating our Group’s ESG strategy by implementing ESG principles in all our activities and policies. They are translated in our business activity (ESG assessment, reporting, project management or IT activities), our work environment and in our responsible practices for environment protection