About the role
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.