System & Network engineer
Adventus
Apply to this job Singapore hybrid Until 8/21/2026 H-1B sponsor history First posted April 21, 2026 Last posted April 21, 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
About this role
Summary
Manage virtualization, network, and server environments, troubleshoot issues, support security, and document systems.
Job title
System & Network engineer
Experience level
2-4 years
Industry
information technology
Location requirements
Singapore, on-site work required
Salary
Not specified
Visa sponsorship
H-1B sponsor history
Management role
No
Skills & keywords
Required skills
hyper-vvmwarewindows servernetwork infrastructure
Preferred skills
zscalernacazuresecurity frameworks
Specializations
virtualizationnetworkingsecuritywindows server
Locations
Structured locations inferred from the posting.
Singapore
On-site Country