IT Infrastructure Engineer (System & Network)

Adventus

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Singapore hybrid Until 8/23/2026 2+ years exp H-1B sponsor history First posted June 17, 2026 Last posted June 17, 2026
Job description
Adventus is an Information and Communications Technology (ICT) Solutions and Services Provider with a wide footprint across the globe.

We help organizations bring about positive transformation to their businesses by leveraging intelligent applications of innovative solutions and pertinent services to remain winners in today's ultra competitive marketplace.

With our strong network of technology partners, excellent domain expertise and differentiated value proposition, we are able to go above and beyond for our customers, far exceeding expectations.

Job Responsibilities

     

  • Manage and maintain virtualization platforms (Hyper-V and VMware)
  • Administer and support Windows Server environments
  • Design, implement, and troubleshoot network infrastructure (LAN/WAN, VPN, firewall)
  • Monitor system performance and ensure high availability of IT services
  • Perform system upgrades, patching, and routine maintenance
  • Troubleshoot hardware, software, and network issues
  • Support backup, disaster recovery, and business continuity processes
  • Maintain proper documentation of systems, configurations, and procedures
  • Collaborate with internal teams and vendors for project implementation and support

Job Requirements

     

    Requirements

  • Diploma or Degree in Information Technology, Computer Science, or related field
  • Minimum 2–4 years of relevant experience in system and network administration
  • Hands-on experience with:
  • Hyper-V and/or VMware virtualization platforms
  • Windows Server (Active Directory, DNS, DHCP, Group Policy)
  • Network infrastructure (switching, routing, firewall)

    • Preferred / Added Advantage

  • Experience with Zscaler (ZIA/ZPA)
  • Experience with Network Access Control (NAC) solutions (e.g., Cisco ISE, FortiNAC)
  • Familiarity with Microsoft Azure (IaaS, networking, identity)
  • Knowledge of security best practices and frameworks
  • Relevant certifications (e.g., Microsoft, VMware, Cisco, Azure)

    • Key Skills

  • Strong troubleshooting and problem-solving skills
  • Good understanding of IT infrastructure and security concepts
  • Ability to work independently and in a team
  • Good communication and documentation skills

Compensation (from employer):
4800–7000 SGD per-month-salary

About this role

Summary

Manage virtualization platforms, network infrastructure, support Windows Server, troubleshoot issues.

Job title

it infrastructure engineer (system & network)

Experience level

2-4 years

Minimum experience

2+ years exp

Industry

ict

Location requirements

Singapore; remote work not specified

Salary

$5k–$7k

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

Hyper-VVMwareWindows ServerActive DirectoryDNSDHCPfirewall

Preferred skills

ZscalerNetwork Access ControlMicrosoft Azuresecurity frameworkscertifications

Specializations

virtualizationnetwork infrastructurewindows serverfirewall
Locations

Structured locations inferred from the posting.

Singapore

Hybrid City
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