Sr. Network Administrator

2 weeks ago


Kallang, Singapore GECO Asia Pte Ltd Full time $80,000 - $120,000 per year
Position: Network Administrator
Primary Technical Abilities

Networking:

  • LAN/WAN/WLAN administration and troubleshooting
  • Routing protocols: BGP, OSPF, EIGRP
  • VLAN configuration, STP, VRRP, QoS, EtherChannel

Firewall & Security:

  • Administration of Palo Alto, Fortinet, Reverse Proxy
  • VPNs, NAT, App-ID, HA configuration
  • Threat prevention and SIEM integration

Monitoring Tools:

  • SolarWinds (NPM, NTA, NetFlow) – setup, dashboards, alerting
  • SNMP, syslog configuration for telemetry and alerts
  • Custom dashboard creation and proactive monitoring

Automation & DevOps:

  • Python, Ansible, PowerShell scripting
  • Configuration management (e.g., Git)
  • Network provisioning automation (Terraform preferred)

DNS & IP Management:

  • Infoblox: DNS/DHCP management, IPAM, grid sync, API integration
  • DNSSEC, failover, record updates (A, PTR, MX, CNAME)

SD-WAN & Cloud Integration:

  • Design and implementation of SD-WAN overlays
  • Integration with Azure, AWS, GCP
  • Traffic steering, dynamic path selection, cloud routing

Reporting & Documentation:

  • Real-time monitoring dashboards
  • SLA/uptime reporting and incident summaries
  • SOP and Visio documentation
Secondary Technical Abilities
  • Knowledge of ITIL-aligned incident, problem, and change management
  • Storage and backup familiarity: NetApp, Veeam, Commvault (a plus)
  • Network compliance: ISO 27001, NIST, GDPR
Behavioral Abilities
  • 2–5 years in infrastructure; 2–5 years as Network Administrator
  • Strong knowledge of Cisco, Palo Alto, Infoblox, and Azure Firewall
  • Highly motivated, team-oriented, and customer service focused
  • Excellent communication in English (French reading is a plus)
  • Ability to analyze and synthesize technical and business constraints
Technical Environment
  • SolarWinds, Cisco, Palo Alto, Infoblox, Azure/AWS
  • VMware, NetFlow, SNMP, Terraform, Python, Ansible, PowerShell


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