Senior Network Engineer

2 days ago

India Amsys It Services Full time US$ 90,000 - US$ 1,20,000 per year

Summary

Own enterprise networking across cloud and onprem with deep Cisco, Fortinet, Juniper, and voice/collaboration. Configure, secure, and support switching, wireless, firewalls, and UC/contact center platforms to deliver high availability and performance.

Key Responsibilities

  • Design, implement, and support LAN/WAN/WLAN across multi-site and cloud environments.
  • Configure and administer Cisco FTD, Cisco ISE, Meraki, Catalyst, and Nexus.
  • Manage Fortinet FortiGate policies (NAT, VPN, ACLs) and network segmentation.
  • Operate Cisco Wireless Controllers and optimize enterprise WiFi.
  • Support Cisco voice (CUCM/Call Manager onprem), SIP trunks/SBCs, QoS, and dial plan changes.
  • Integrate/manage cloud UCaaS (e.g., Webex Calling, Teams Phone, RingCentral) and Contact Center (UCCX/UCCE/Webex CC).
  • Troubleshoot performance and incidents; maintain diagrams, runbooks, and change records.
  • Plan/execute upgrades, patches, and lifecycle refreshes with minimal downtime.

Required Skills

  • Cisco: FTD, Meraki (switching), Catalyst, Nexus, Wireless Controllers, ISE, CUCM (onprem Call Manager), VoIP/Voice, SIP, QoS.
  • UC/CC: Cloud UCaaS platforms and Contact Center (UCCX/UCCE/Webex CC preferred).
  • Security/Edge: Fortinet FortiGate firewalls; sitetosite/client VPNs, NAT, ACLs, policy design.
  • Juniper: Wireless/switching administration (operations, upgrades, tuning).
  • Environments: Cloud and onprem networking; routing/switching, HA/DR, monitoring/observability.
  • Strong troubleshooting/documentation; crossteam collaboration.

Nice to Have

  • Certifications: CCNA/CCNP, Fortinet NSE, Juniper JNCIA+, CWNA/CWNP, ITIL.
  • SBCs (CUBE/AudioCodes), automation (Python/Ansible), InfrastructureasCode.

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