System & Network engineer

Adventus; Singapore; On-site; SGD 44,640 - 66,960; Full time

Job summary

A tech solutions provider in Singapore is seeking a system administrator with expertise in managing virtualization platforms like Hyper-V and VMware. The candidate should have a diploma or degree in Information Technology and at least 2–4 years of relevant experience in system and network administration. Key responsibilities include administering Windows Server environments, troubleshooting issues, and ensuring high availability of IT services. The position values strong troubleshooting skills and knowledge of security best practices.

Qualifications

• Minimum 2–4 years of relevant experience in system and network administration.
• Hands-on experience with network infrastructure (switching, routing, firewall).
• Knowledge of security best practices and frameworks.

Responsibilities

• Manage and maintain virtualization platforms (Hyper-V and VMware).
• Administer and support Windows Server environments.
• Design and implement network infrastructure (LAN/WAN, VPN, firewall).
• Monitor system performance and ensure high availability of IT services.

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

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

Key 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

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