DL
Cisco SD WAN
Diverse Lynx India
Location not stated
Senior
3 months ago
- Cisco
- SD-WAN
- BGP
- IPSec
- OSPF
- ACLS
- QoS
- Network Security
- Prisma
- Server-Sent Events
- CCNP
3 months ago
Experience: 6+ Years
Notice Period: Immediate to 45 Days
Position Summary
Cognizant is seeking an experienced Senior Network Engineer with strong expertise in WAN Architecture, Cisco Viptela SD-WAN, BGP, and IPsec technologies. The ideal candidate will be responsible for designing, implementing, and supporting large-scale enterprise WAN and SD-WAN environments while ensuring high availability, security, and performance across global networks.Key Responsibilities
- Design, implement, and support enterprise WAN and Cisco Viptela SD-WAN solutions.
- Manage and troubleshoot Cisco SD-WAN components including vManage, vSmart, vBond, and vEdge/cEdge devices.
- Design and maintain scalable routing architectures using BGP, OSPF, route-maps, prefix-lists, and ACLs.
- Configure and troubleshoot IPsec VPNs, site-to-site connectivity, and secure WAN communication.
- Collaborate with service providers and telecom vendors for circuit provisioning, issue resolution, and lifecycle management.
- Perform network performance analysis, capacity planning, and WAN optimization.
- Implement QoS policies to ensure application performance and traffic prioritization.
- Support network security initiatives including VPN security, segmentation, and secure access solutions.
- Create and maintain network design documents, HLDs, LLDs, implementation plans, and operational runbooks.
- Participate in troubleshooting complex network incidents and lead root cause analysis activities.
- Work closely with cross-functional teams to support business-critical network infrastructure.
Required Skills
Primary Skills
- BGP
- Cisco Viptela SD-WAN
- IPsec
- WAN Design & Architecture
Technical Expertise
- Strong hands-on experience with Cisco SD-WAN (vManage, vSmart, vBond, vEdge/cEdge).
- Advanced knowledge of BGP, OSPF, route redistribution, route-maps, ACLs, and policy-based routing.
- Experience with WAN design, migration, deployment, and troubleshooting.
- Strong understanding of VPN technologies, IPsec tunnels, QoS, and network security principles.
- Experience coordinating with telecom/service providers for WAN circuit management and troubleshooting.
- Ability to troubleshoot complex routing, connectivity, and performance issues in large-scale enterprise environments.
Good-to-Have Skills
- Palo Alto Prisma Access SSE.
- Experience with SASE/SSE platforms.
- Knowledge of cloud networking and secure access solutions.
- Exposure to network automation and scripting.
Certifications
Mandatory
- Valid CCNP Enterprise Certification
Preferred
- Palo Alto Prisma Access Certification
- Any SASE/SSE Certification
Required Experience
- Proven experience designing, deploying, and supporting large-scale WAN and SD-WAN environments.
- Experience working in global enterprise or managed services environments.
Soft Skills
- Strong communication and stakeholder management skills.
- Excellent analytical and troubleshooting abilities.
- Ability to work independently and collaborate with global teams.
- Strong documentation and presentation skills.
Cisco SD WAN · Diverse Lynx India