Senior Network & Systems Engineer - ELV, GPON & HA

AEQON TJ PTE. LTD.; Singapore; On-site; SGD 60,000 - 100,000; Full time

Job summary

AEQON TJ PTE. LTD. seeks a network and systems engineer to design, implement, test and commission ELV and infrastructure projects.

You will work hands-on with enterprise networking, servers, GPON and system integration to ensure HA and reliable operation across sites. Responsibilities include reviewing topology, IP schemes, VLANs, routing, configuring switches/routers/firewalls, and integrating IP-based ELV systems such as CCTV, VMS and access control.

Qualifications

• Diploma or Degree in IT, Computer/Network Engineering or related.
• 3–5 years of relevant experience in network or infrastructure projects.
• Strong TCP/IP knowledge, IPv4, VLANs, routing and switching.
• Hands-on experience with enterprise switches, routers and firewalls.
• Understanding of HA, redundancy, failover concepts.
• Experience with Windows Server and virtualization environments.

Responsibilities

• Design, implement, configure, test and commission network and systems infrastructure for ELV and infrastructure projects.
• Develop and review network architecture, IP addressing, VLANs, routing and redundancy requirements.
• Configure and troubleshoot Layer 2/3 switches, VLANs, trunking and MSTP/LACP.
• Configure and troubleshoot routers, firewalls and security policies.
• Design and implement HA and network redundancy with uplinks and link aggregation.
• Install, configure and troubleshoot Windows Server, virtualization, NIC teaming, storage and RAID.
• Support GPON and fibre infrastructure including OLT/ONT/ONU.
• Integrate network and server infrastructure with ELV systems (CCTV, VMS, Access Control).
• Perform troubleshooting and root cause analysis across network, server and application layers.
• Support testing and commissioning (UAT/SAT) with vendors and customers.
• Review designs for capacity, security risks and single points of failure.

Skills

TCP/IP networking

IPv4 addressing

VLANs

Layer 2/3 switching

Routing

GPON

High Availability

Windows Server

Virtualization

IT infrastructure design

Education

Diploma or Degree in IT/Network Engineering

Tools

Enterprise network switches

GPON/ONT/OLT equipment

Job description

AEQON TJ PTE. LTD. seeks a network and systems engineer to design, implement, test and commission ELV and infrastructure projects.

You will work hands-on with enterprise networking, servers, GPON and system integration to ensure HA and reliable operation across sites. Responsibilities include reviewing topology, IP schemes, VLANs, routing, configuring switches/routers/firewalls, and integrating IP-based ELV systems such as CCTV, VMS and access control.