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Sr.Network Engineer

Job Description - Sr.Network Engineer

·         Manage and maintain enterprise
network infrastructure including LAN, WAN, WLAN, VPN, and firewall
environments.

·         Install, configure, and
troubleshoot Cisco Wireless Controllers, Switches, Routers, and Access Points.

·         Configure and manage Cisco WLC
models with HA SSO or N+1 redundancy architecture.

·         Handle Cisco Access Point
configuration in CAPWAP and Mobility Express solutions, including Wave 2 and
Cisco 9100 series APs.

·         Monitor network performance
using Network Management Systems (NMS) and ensure maximum uptime and
availability.

·         Perform network upgrades,
firmware updates, troubleshooting, and issue resolution for network
hardware/software.

·         Configure and troubleshoot VLANs,
routing, switching, wireless networks, and firewall security policies.

·         Work closely with end users to
resolve network-related tickets and fulfill new network requirements within
defined timelines.

·         Diagnose and resolve network
connectivity, performance, and security-related issues.

·         Maintain network documentation,
topology diagrams, inventory records, and configuration backups.

·         Ensure adherence to IT security
standards, access control policies, and best practices.

·         Support audits, infrastructure
deployment activities, and multi-site network operations.



Requirements

  • Strong
    hands-on experience with Cisco Switches, Routers, Wireless Controllers,
    and Firewall configuration.

  • Experience in configuring and troubleshooting Cisco WLC models
    with HA SSO and N+1 redundancy.

  • Strong understanding of TCP/IP, DNS, DHCP, VPN, Routing,
    Switching, VLANs, and Wireless Networking.

  • Experience with NMS and monitoring tools such as SolarWinds
    Orion, Cisco DNAC, Cisco Prime, HP NNMi, Splunk, Wireshark, and ServiceNow.

  • Firewall administration expertise: Palo Alto, Forti Gate and
    Checkpoint — including security policies, NAT, URL filtering, threat
    prevention, TLS/SSL inspection, HA clusters, and VPN configuration.

  • Experience handling enterprise and multi-site network
    environments, incident management, ISP coordination, and SLA-driven
    support.

  • Knowledge of network security concepts: firewall policy
    management, NAT/PAT, packet capture analysis, vulnerability remediation,
    Layer 7 application inspection, and ITIL-based change management.

  • Familiarity with ITIL processes, backup and disaster recovery
    operations, and network security best practices.

  • Experience in handling enterprise and multi-site network
    environments.

     Preferred
Skills-

  • Good communication, coordination, and customer-handling skills.
  • Ability to manage critical incidents independently, network
    migrations, and infrastructure deployments.

  • Exposure to Microsoft Azure, Entra ID / Azure AD, and SAML/SSO
    integrations.

  • Certifications such as CCNA, CCNP, or equivalent will be
    preferred.



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