IT Infrastructure Engineer (System & Network)

Adventus; Singapore; On-site; SGD 53,568 - 78,120; Full time

Job summary

Adventus in Singapore is seeking candidates for a role focused on system and network administration. Key responsibilities include managing virtualization platforms (Hyper-V and VMware), supporting Windows Server environments, and troubleshooting network infrastructure.

Ideal candidates should have a Diploma or Degree in Information Technology or related field, with a minimum of 2–4 years relevant experience. The position offers a salary range of S$4,800 - S$7,000 a month.

Qualifications

• Minimum 2–4 years of relevant experience in system and network administration.
• Hands-on experience with virtualization platforms, Windows Server, and network infrastructure.

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.

Skills

Troubleshooting and problem-solving skills

Understanding of IT infrastructure and security concepts

Ability to work independently and in a team

Good communication and documentation skills

Education

Diploma or Degree in Information Technology, Computer Science, or related field

Tools

Hyper-V

VMware

Windows Server

Zscaler

Cisco ISE

Microsoft Azure

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

• 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

S$4,800 - S$7,000 a month