6 - 9 years

7 - 12 Lacs

Posted:1 day ago| Platform: Naukri logo

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Job Type

Full Time

Job Description

Job Title:

WAN / SD-WAN L3 Engineer

Job Band:

Role Overview

designing, deploying, operating, and optimizing large-scale enterprise WAN and SD-WAN networks

technical escalation point (L3)

Key Responsibilities

WAN / SD-WAN Engineering & Operations


  • ISR, ASR, NCS routers



  • Design and implement enterprise WAN architectures across multiple regions using:



    • MPLS, ILL, MPLS-VPN



    • BGP peering, VRF-based designs



    • Redundant and multi-homed WAN connectivity




  • Cisco SD-WAN solutions


Design, Documentation & Governance



  • Create and maintain:



    • High-Level Design (HLD) and Low-Level Design (LLD)



    • Network architecture diagrams



    • Method of Procedures (MoPs)



    • Standard Operating Procedures (SOPs)



    • Change and implementation documentation




  • Plans of Action (PoA)


Change & Maintenance Leadership


  • planned maintenance windows



  • Ensure risk assessment, rollback planning, and post-change validation.



  • Maintain service continuity and minimize customer impact during changes.


Security & VPN Integration



  • Implement and troubleshoot WAN security components including:



    • IPSec VPN, Site-to-Site VPN, SSL VPN



    • Integration with firewall platforms (Palo Alto, Check Point, Fortinet)





  • Prepare MoPs/SOPs for security-related changes and guide L2 teams during execution.


Performance Optimization & Troubleshooting



  • Perform WAN optimization using:



    • QoS policy design



    • Traffic engineering



    • Bandwidth management





  • Troubleshoot complex WAN/SD-WAN issues involving routing instability, latency, packet loss, and application performance.


  • agreed SLAs


Mentoring & Collaboration


  • L2 engineers



  • Coordinate with ISPs, OEMs, vendors, and cross-functional internal teams.



  • Act as a trusted technical advisor for customers.


Essential Technical Skills

WAN & Routing Technologies



  • Strong expertise in:



    • MPLS, MPLS-VPN



    • BGP, OSPF, IS-IS, EIGRP



    • VRF, multi-homing, peering



    • Redundant WAN architectures





  • Deep understanding of enterprise and service provider WAN designs.


Cisco Platforms & SD-WAN



  • Hands-on experience with:



    • Cisco ISR, ASR, NCS



    • Catalyst & Nexus (integration level)



    • IOS / IOS-XE / NX-OS





  • Cisco SD-WAN deployment, policy design, and operations.


Security & VPN



  • IPSec, L2L VPN, SSL VPN implementation within WAN architecture



  • Integration with firewall platforms:



    • Palo Alto



    • Check Point



    • Fortinet




Certifications (Preferred)


  • Cisco CCNA / CCNP - Service Provider


  • Cisco SD-WAN Certification



  • Security certifications on:



    • Palo Alto



    • Check Point



    • Fortinet (added advantage)




Soft Skills & Behavioral Competencies



  • Strong communication and interpersonal skills



  • Ability to work under pressure and in high-availability environments



  • Customer-focused mindset with strong ownership



  • Effective collaboration with vendors, ISPs, and cross-functional teams



  • High attention to detail and process adherence


Experience Requirements


  • customer-facing SI / Managed Services environment



  • Proven experience in:



    • Multi-site WAN design and deployments



    • Large-scale migrations and rollouts



    • SLA-driven operations and escalation handling





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