Senior Network & Systems Engineer — HA & ELV Specialist

EXEO Global Asset Holdings; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

EXEO Global Asset Holdings in Singapore seeks an experienced Network & Systems Engineer to design, implement, and commission ELV and infrastructure projects, with hands-on expertise in enterprise networking, GPON, and HA.

You will configure switches/routers, integrate with CCTV and IP-based systems, and provide on-site support during testing and commissioning, delivering robust, secure, and scalable solutions.

Qualifications

• Diploma or degree in IT/Engineering.
• 3–5 years in network, ELV or infrastructure projects.
• Strong TCP/IP, IPv4 addressing, subnetting, VLANs, Layer 2/3 switching and routing.
• Hands-on experience with enterprise managed switches.
• Understand network architecture, redundancy concepts.
• Server installation and configuration including Windows Server and virtualization.
• Experience with GPON and fibre network architecture.
• Ability to interpret network diagrams and system requirements.
• Strong troubleshooting and communication skills.

Responsibilities

• Design, implement, configure, test and commission network and systems infrastructure for ELV and infrastructure projects.
• Develop network architecture, topology, IP addressing, subnetting, VLANs, routing, bandwidth and redundancy requirements.
• Configure and troubleshoot Layer 2/3 managed switches, VLANs, trunking, STP/RSTP/MSTP, LACP, switch stacking and routing.
• Configure and troubleshoot routers, firewalls and network security policies, including segmentation and secure connectivity.
• Design and implement High Availability (HA) and network redundancy.
• Install, configure and troubleshoot physical and virtual servers, including Windows Server, virtualization, NIC teaming, storage and RAID.
• Support GPON and fibre infrastructure including OLT, ONT/ONU and optical splitters.
• Integrate network and server infrastructure with ELV systems (CCTV, VMS, Access Control).
• Troubleshoot and conduct root-cause analysis across network, server and application layers.
• Conduct UAT, SAT, integration testing and commissioning.
• Review designs for capacity constraints, cybersecurity risks, single points of failure.
• Prepare and maintain technical documentation.
• Provide technical support to Project Managers and site teams.
• Participate in design reviews and project meetings.
• Support pre-sales activities including technical evaluation and solution design.

Skills

TCP/IP networking

IPv4 addressing

VLANs

Layer 2/3 switching

Routing

GPON knowledge

Windows Server

Virtualization

Network security

Troubleshooting

Education

Diploma/degree in IT/Engineering

Tools

VMware

Job description

EXEO Global Asset Holdings in Singapore seeks an experienced Network & Systems Engineer to design, implement, and commission ELV and infrastructure projects, with hands-on expertise in enterprise networking, GPON, and HA.

You will configure switches/routers, integrate with CCTV and IP-based systems, and provide on-site support during testing and commissioning, delivering robust, secure, and scalable solutions.