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Network Administrator

5 - 8 years

3 - 6 Lacs

chennai

Posted:1 day ago| Platform: Naukri logo

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Skills Required

network administration networking linux wan vpn lan windows ccna it operations cisco

Work Mode

Work from Office

Job Type

Full Time

Job Description

  • Manage and support LAN/WAN infrastructure including

    Cisco, Meraki, Ruckus, and Fortinet-based networks

    .
  • Configure and maintain

    switches, routers, access points

    , and

    firewall policies

    .
  • Monitor network performance, troubleshoot latency, packet loss, or downtime issues.
  • Ensure

    compliance

    with IT security and regulatory frameworks (ISO, NIST, etc.).
  • Manage and maintain

    Windows/Linux servers

    , virtualization platforms (VMware/Hyper-V), and enterprise storage systems.
  • Maintain disaster recovery and backup strategies; regularly test DR procedures.
  • Assist in IT audits, patch management, and hardening infrastructure against cyber threats.
  • Implement and manage

    network monitoring tools

    (e.g., SolarWinds, PRTG, or similar).
  • Work collaboratively with IT teams to support application deployment, remote access, and secure connectivity.
  • Participate in IT infrastructure projects: upgrades, migrations, and new rollouts.
  • Maintain technical documentation, asset inventory, and configuration baselines.

Requirements:

  • 5-8 years

    of experience in system and network administration.
  • Strong expertise in:

  • Cisco

    switching/routing (CCNA/CCNP preferred)

  • Ruckus

    wireless controller and AP management

  • Meraki dashboard

    operations and configuration

  • Fortinet firewall

    setup, policy configuration, VPN, and security features
  • Proficient in:
  • Layer 2/3 networking, VLANs, STP, OSPF, BGP
  • DNS, DHCP, NAT, VPN (IPSec/SSL)
  • System patching, performance tuning, and event log monitoring
  • Experience with

    ITIL/ITSM

    processes is a plus.
  • Familiarity with compliance frameworks:

    ISO 27001, GDPR, HIPAA

    , etc.
  • Scripting and automation knowledge (PowerShell, Bash, or Python) is advantageous.
  • Excellent analytical and troubleshooting skills.
  • Strong documentation and communication skills.

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