SalaryPeak

Network Administrator

OPENSOURCE PTE. LTD.
Singapore 5+ years Posted Feb 23, 2026

Salary Range

SGD 72,000 - SGD 102,000 /year

SGD 6,000 - SGD 8,500/month

Skills Required

TroubleshootingNetwork AdministrationCCNADirect experienceData CenterCCNPSDNQoSUpdating of firmwareRoutersWANVPNFirewall Management

Job Description

Key Responsibilities

Interconnect & Fabric Operations

  • Manage Slingshot fabric configuration
  • Perform link remediation & congestion triage
  • Maintain config backups & rollback plans
  • Execute firmware updates within maintenance windows
  • Perform QoS/ECN/PFC tuning per design

DC Switching

  • VLAN and port configuration updates
  • Monitor utilisation & congestion metrics
  • Maintain optics & cable inventory hygiene

Incident Handling

  • P1 restoration < 48 hrs (HPC)
  • Engage OEM TAC for Level-3 escalation
  • Provide documented post-change validation

Security Alignment

  • Work with Security Engineer on segmentation
  • Maintain firewall policy integrity
  • Ensure least-privilege network access

Required Experience

  • Minimum 5 years in network support/troubleshooting
  • Experience with:
  1. High-speed data centre fabric
  2. SDN
  3. Firewall & VPN administration
  4. HPC interconnect experience preferred

Required Certifications

  • ITIL Foundation
  • CCNA or equivalent (minimum)