Network Engineer (Information Technology / Operational Technology)

apar technologies pte. ltd.

📍 shenton way, central area, Singapore

Full-time Other-General Posted June 12, 2026

Job Description

  • Minimum 10+ years of experience in IT/OT infrastructure and operational environments.
  • Experience integrating enterprise IT networks with OT systems and industrial equipment.
  • Hands-on knowledge of HMIs, PLCs, SCADA systems, sensors, CMMs, CNC machines, and 3D printers.
  • Ability to update PLC configurations, IP addressing, and network parameters.
  • Perform OT asset inventory collection, validation, and documentation.
  • Identify operational and cybersecurity risks and proactively escalate issues.
  • Strong understanding of industrial protocols such as OPC-UA, Modbus TCP/IP, Ethernet/IP, and SMB.
  • Experience designing and supporting LAN/WAN networks, VLANs, and routing protocols.
  • Proficiency in configuring Cisco switches, routers, SD-WAN, and Check Point firewalls.
  • Experience with firewall rule management, network security configuration, and troubleshooting.
  • Knowledge of network...