Logo-of-TOPPAN-SECURITY-PRINTING-PTE.-LTD.-hiring-for-jobs-in-Singapore-on-GrabJobs

Infra Manager

salary Salary :

$6,000 - 10,000 monthly

Job Description - Infra Manager

The Infra Manager 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.

Key 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:
  1. VLAN configuration, Routing (static/dynamic)
  2. Firewall and ACL rule management
  3. 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:
  1. TCP/IP, subnetting, DNS, DHCP, VLANs, routing, NAT
  2. Firewall policy configuration and troubleshooting
  • Hands-on experience with network troubleshooting tools, such as:
  1. 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:
  1. Compliance hardening, Network segmentation
  2. PKI (Public Key Infrastructure) for certificate management
  • Familiarity with enterprise infrastructure environments and operational procedures.
  • Good communication skills for working with vendors and stakeholders.
Original job Infra Manager posted on GrabJobs ©. To flag any issues with this job please use the Report Job button on GrabJobs.
Share Job
Share Job

About the Company

TOPPAN SECURITY PRINTING PTE. LTD.

TOPPAN SECURITY PRINTING PTE. LTD.

Read more about the company
💰

Technology Salaries

Similar Jobs in Singapore

GrabJobs is the no1 job portal in Singapore, connecting you to thousands of jobs fast! Find the best jobs in Singapore, apply in 1 click and get a job today!

Mobile Apps

Copyright © 2026 Grabjobs Pte.Ltd. All Rights Reserved.