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Infrastructure Engineer

External
Toppan Next Tech PTE. LTD. logoToppan Next Tech · Joo Koon Circle, Singapore
S$48K–S$84K/yrFull-timeUnknown1w ago
Information Technology
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Responsibilities

  • Deploy, configure, and optimize RHEL and Windows systems to ensure high performance and uptime.
  • Implement and manage IoT device integration with backend systems.
  • Troubleshoot and resolve device, system, and network issues promptly to minimize downtime.
  • Perform network configuration and troubleshooting, including:
  • VLAN configuration, Routing (static/dynamic)
  • Firewall and ACL rule management
  • Load balancer configuration basic
  • Deploy and maintain network infrastructure components (switches, routers, firewalls).
  • Monitor system and network performance and proactively identify bottlenecks.
  • Collaborate and communicate effectively with both technical and non-technical stakeholders.
  • Analyze change requests and recommend improvements for scalability, performance, and security.
  • Maintain infrastructure documentation (network diagrams, configurations, SOPs).

Requirements

  • Preferably Bachelor's degree in computer science, Engineering, or related field.
  • Technical hands-on experience with RHEL and Windows Server in high-availability environments.
  • Technical hands-on experience in Level 2 networking, including:
  • TCP/IP, subnetting, DNS, DHCP, VLANs, routing, NAT
  • Firewall policy configuration and troubleshooting
  • Hands-on experience with network troubleshooting tools, such as:
  • ping, traceroute, tcpdump, Wireshark
  • Strong knowledge of backup & restoration, virtualization (VMware/Nutanix/Hyper-V), and basic cloud concepts.
  • Experience integrating and troubleshooting IoT and peripheral devices.
  • Strong understanding of system and network security best practices, including:
  • Compliance hardening, Network segmentation
  • PKI (Public Key Infrastructure) for certificate management
  • Familiarity with enterprise infrastructure environments and operational procedures.
  • Good communication skills for working with vendors and stakeholders.

Additional Information

The Infra Engineer is responsible for deploying and managing secure, scalable infrastructure solutions that integrate seamlessly across on-premises, cloud, and hybrid environments. This role involves working with IoT devices and implementing solutions on both Windows and Linux platforms as well as managing network infrastructure.


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