
SDN Expert Engineer
- Chennai, Tamil Nadu Guindy, Tamil Nadu
- Permanent
- Full-time
- Collaborate across teams and vendors to troubleshoot and optimize large-scale network infrastructure.
- Deliver multi-cloud connectivity using AWS, Azure, GCP, and edge devices.
- Interface with global customers for architecture decisions and escalations.
- Ensure secure and high-performance routing, switching, and firewall configurations.
- Leverage tools like Python, Ansible, and Terraform for network automation.
- Document changes and follow ITIL-based processes for operational excellence.
- Train junior engineers and drive technology adoption across teams.
- Maintain hands-on expertise with Cisco, Juniper, Fortinet, Palo Alto, and VeloCloud platforms.
- Stay ahead with certifications (CCNA/CCNP, Juniper, VMware SD-WAN) to support cutting-edge deployments.
- Collaborate across teams to gather and analyze customer architecture and network requirements
- Standardize technical assessments of legacy, hybrid, and cloud-native environments
- Design and deploy greenfield and brownfield SDWAN solutions across on-prem, AWS, Azure, and GCP
- Lead infrastructure transformation using ACI, SDN, and SASE technologies
- Front-end escalation bridge calls as network team representative
- Drive incident and change management across production environments
- Work directly with vendors and service providers to ensure timely issue resolution
- Lead project delivery end-to-end, including planning, execution, documentation, and team training
- Hands-on experience with Cisco SDWAN, Velocloud, Versa, Fortinet, Zscaler, Palo Alto, Juniper (vSRX, NFX250/350)
- Strong proficiency in deploying and operating corporate LAN, WAN, and security architectures
- Extensive experience with Cisco Routers (ASR/ISR), Switches (6500/4500/3850), Fortinet and Palo Alto firewalls, and WLC operations
- Skilled in Routing protocols (Static, EIGRP, OSPF, BGP – iBGP/eBGP) and Switching (VTP/STP)
- Experience with Cisco ISE, VNFs, and network virtualization platforms
- Solid foundation in infrastructure automation using Python, Ansible, Terraform
- Demonstrated experience with Change Management and ITIL-aligned processes
- Familiarity with Ericsson networking technologies is an advantage
- Ability to interpret client needs and provide strategic network solutions
- Train junior staff and guide team members on emerging technologies
- Communicate effectively at global scale with internal and external stakeholders
- Document changes, architecture decisions, risk mitigations, and operational learnings
- Maintain accurate records and deliver on deadlines and targets
- Actively participate in on-call rotation and service continuity support
- CCIE / JNCP / JNCIE / Velocloud SDWAN
- ITIL qualification preferred
- Self-motivated, solution-driven, and optimistic in approach
- Capable of making architectural-level decisions and adapting strategies based on network dynamics
- Ability to communicate effectively and build relationships to understand client requirements
- Accurate recording of information
- A self-motivated attitude
- Ability to deliver against deadlines and agreed targets
- Participation in the on-call rota
- CCIE / JNCP / JNCIE / Velocloud SDWAN