HCL Technologies
HCL Technologies

To Be Mapped

RoleOperations
LevelMid Level
LocationChennai, India
WorkOn-site
TypeFull-time
Posted1 month ago
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About the role

Job Summary

Role Summary:

As a Tier 3 Network Data Engineer, you will serve as a senior escalation point for complex data network issues, lead root cause analysis, and drive optimization initiatives across large-scale enterprise and telecom infrastructures. You will collaborate with Tier 1/2 teams, engineering, and customer stakeholders to ensure high availability and performance of data services.

  • Key Responsibilities
  • Lead advanced troubleshooting and resolution of escalated incidents across Ethernet, MPLS, SD-WAN, IP routing, and switching domains.
  • Perform logical provisioning, configuration, and validation of transmission circuits and services.
  • Drive root cause analysis and implement permanent fixes for recurring issues.
  • Collaborate with Tier 1/2 teams and engineering to support network upgrades, migrations, and integration of new technologies.
  • Maintain and optimize network performance, ensuring minimal downtime and SLA adherence.
  • Document network topologies, configurations, and operational procedures.
  • Participate in SA OPS reviews and provide performance insights and improvement plans.
  • Mentor junior engineers and contribute to knowledge base development.
  • Lead complex technical calls and drive them to resolution.

Required Skills:

Deep expertise in:

  • Routing & Switching: OSPF, BGP, EIGRP, MPLS, VLANs, STP
  • Transmission Systems: DWDM, SDH, SONET, TDM
  • Platforms: Cisco, Juniper, Alcatel/Nokia
  • SD-WAN Technologies: Configuration, deployment, and troubleshooting of SD-WAN solutions (e.g., Cisco Viptela, Fortinet, Versa, etc.)
    Proficiency in network diagnostic tools (Wireshark, i Perf, SNMP)
    Experience with network automation and scripting (Python, Ansible) is a plus
    Strong analytical and communication skills
    Certifications (Preferred)
    CCNP/CCIE, JNCIP/JNCIE, MEF-CECP, or equivalent

Education:

Bachelor’s or Master’s degree in Computer Science, Electronics, or related field

Key Responsibilities

Required Skills:

Deep expertise in:

  • Routing & Switching: OSPF, BGP, EIGRP, MPLS, VLANs, STP
  • Transmission Systems: DWDM, SDH, SONET, TDM
  • Platforms: Cisco, Juniper, Alcatel/Nokia
  • SD-WAN Technologies: Configuration, deployment, and troubleshooting of SD-WAN solutions (e.g., Cisco Viptela, Fortinet, Versa, etc.)
    Proficiency in network diagnostic tools (Wireshark, i Perf, SNMP)
    Experience with network automation and scripting (Python, Ansible) is a plus
    Strong analytical and communication skills
    Certifications (Preferred)
    CCNP/CCIE, JNCIP/JNCIE, MEF-CECP, or equivalent

Education:

Bachelor’s or Master’s degree in Computer Science, Electronics, or related field

Skill Requirements

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Other Requirements

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Benefits and perks

Learning Budget

About HCL Technologies

Chennai

Headquarters