System & Network engineer
adventus
Singapore
Posted Apr 17, 2026
- Full-time
- Infrastructure Services
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