L3: Telecom Network Operations Engineer

5 - 10 years

13 - 23 Lacs

Posted:None| Platform: Naukri logo

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Work from Office

Job Type

Full Time

Job Description

Job Title:

Job Summary:

L3 Technical Support Engineer

Key Responsibilities:

  • Deliver Tier 3 support for critical customer-impacting issues on

    2G/3G/4G/5G mobile

    and

    DSL/FTTH/FWA broadband

    networks.
  • Conduct advanced remote diagnostics on network infrastructure:

    routers, switches, BNGs, OLTs, base stations (eNodeB/gNodeB)

    , etc.
  • Utilize diagnostic and analytics tools like

    Netcracker, SecureCRT, Wireshark, Watch4net

    , etc., to analyze and resolve faults.
  • Liaise with

    field engineers, vendors

    , and partner teams for effective fault isolation and resolution.
  • Monitor, manage, and escalate network alarms using platforms such as

    Zabbix, Watch4net, SolarWinds

    .
  • Perform

    packet capture and traffic flow diagnostics

    using tools like

    Wireshark

    or physical network taps.
  • Verify service provisioning workflows and troubleshoot subscriber issues using

    CRM/OSS systems

    .
  • Conduct detailed

    Root Cause Analysis (RCA)

    for major incidents, ensuring preventive action and documentation.
  • Maintain accurate logs of incidents, resolutions, and escalation steps in ticketing tools like

    ServiceNow, Remedy, BMC

    .

Required Skills & Qualifications:

  • Networking Protocols:

    Strong understanding of

    IP, TCP/UDP, BGP, OSPF, MPLS, DNS, DHCP

  • Tools Expertise:

    Proficiency with

    SecureCRT, Wireshark, Watch4net, Netcracker, Putty, NMS/EMS

  • Mobile Networks:

    Hands-on knowledge of

    LTE/5G, VoLTE, EPC, eNodeB/gNodeB

  • Broadband Technologies:

    Familiarity with

    FTTH, DSL, GPON, ONU/ONT, BNG, OLT

  • OSS/BSS Platforms:

    Experience with

    NetAct, Ericsson ENM, Huawei U2000, ZTE NetNumen

  • Other Protocols & Frameworks:

    Knowledge of

    TR-069/ACS, SNMP, NetFlow

  • Certifications:

    ITIL Foundation or

    Cisco (CCNA/CCNP)

    certifications preferred

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