Senior Network Engineer - #1172131

DNA AI TECHNOLOGIES PTE. LTD.


Date: 3 hours ago
District: Singapore
Salary: $5,000 - $6,500 / month
Contract type: Contractor
Work schedule: Full day
DNA AI TECHNOLOGIES PTE. LTD.

Domain: Enterprise Network Infrastructure & Security

Job Summary

We are seeking a hands-on Senior Network Engineer with strong experience in enterprise Routing & Switching, Network Security, Wireless, SD-WAN and L2/L3 production support.

The candidate must be capable of independently troubleshooting complex network incidents, performing RCA and managing critical production environments.

Key Responsibilities

  • Provide L2/L3 support for large-scale enterprise networks.
  • Configure and troubleshoot Cisco routers, switches, Nexus, WLC and network infrastructure.
  • Troubleshoot BGP, OSPF, HSRP, MPLS, LAN/WAN and related routing technologies.
  • Support Cisco ASA/Firepower/FMC, FortiGate and Palo Alto firewalls.
  • Configure and troubleshoot IPSec/SSL VPN, AAA, RADIUS and TACACS+.
  • Support Cisco ISE/NAC, enterprise wireless and WLC environments.
  • Support SD-WAN technologies such as Viptela, VeloCloud, Fortinet or Meraki.
  • Handle P1/P2 incidents, escalations, RCA and permanent corrective actions.
  • Perform network changes, upgrades, migrations and infrastructure refresh activities.
  • Monitor network performance using SolarWinds, Zabbix, Nagios or equivalent tools.
  • Follow ITIL Incident, Problem and Change Management processes.
  • Coordinate with security, infrastructure, application, telecom and vendor teams.

Mandatory Requirements

  • 8+ years of hands-on Enterprise Network Engineering experience.
  • Strong L2/L3 network troubleshooting and production support experience.
  • Strong hands-on Cisco Routing & Switching and LAN/WAN.
  • Production experience with BGP and OSPF.
  • Experience with Cisco Nexus.
  • Strong firewall/security experience with Cisco ASA/Firepower, FortiGate and/or Palo Alto.
  • Strong knowledge of IPSec/SSL VPN, AAA, RADIUS and TACACS+.
  • Experience with Cisco ISE/NAC and Enterprise Wireless/WLC.
  • Hands-on SD-WAN experience.
  • Strong RCA, P1/P2 incident and production troubleshooting capability.
  • Experience with Incident, Problem and Change Management.
  • CCNA mandatory; CCNP preferred.

Highly Desirable

Cisco ACI/Spine-Leaf, Viptela, VeloCloud, Meraki, FireMon, NetBrain, Splunk/SIEM, Cisco CUCM/VoIP, Azure and ITIL certification.

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