System & Network engineer

Adventus

Singapore Hybrid permanent

Posted: April 17, 2026

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

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