Job SummaryWe are looking for a Network Support Engineer responsible for installation, configuration, troubleshooting, maintenance, and support of network infrastructure across customer sites. The role involves working with switches, routers, firewalls, Wi-Fi, structured cabling, fiber optic networks, and related IT infrastructure.

- Key ResponsibilitiesInstall, configure, and troubleshoot LAN/WAN network infrastructure.
- Configure and troubleshoot managed switches, routers, access points, and network devices.
- Handle VLAN, STP, LACP, DHCP, DNS, IP addressing, and subnetting.
- Troubleshoot network connectivity, latency, packet loss, and intermittent network issues.
- Perform fiber optic and structured cabling testing and troubleshooting.
- Coordinate with customers and internal teams for site-level network issues.
- Configure and troubleshoot Wi-Fi networks, including SSID, VLAN mapping, authentication, and coverage-related issues.
- Assist in network commissioning, testing, and handover activities.
- Perform preventive maintenance and health checks of network infrastructure.
- Monitor network devices and identify potential performance or connectivity issues.
- Maintain network documentation, IP address lists, topology diagrams, and configuration records.
- Conduct site surveys and prepare technical observations and recommendations.
- Support CCTV, access control, IP PBX, AV,



and other ELV systems where network connectivity is involved.
- Coordinate with OEMs/vendors for technical support and RMA-related issues.
- Prepare service reports, installation reports, and troubleshooting reports.
- Follow company safety, quality, and customer-site procedures.
- Required Technical SkillsStrong knowledge of TCP/IP, IPv4, subnetting, VLAN, STP/RSTP, DHCP and DNS.
- Experience with Cisco / Allied Telesis / Netgear / similar managed switches.
- Basic knowledge of routing and switching.
- Knowledge of PoE, SFP/SFP+, fiber optic connectivity, and structured cabling.
- Knowledge of Wi-Fi technologies and access-point configuration.
- Ability to use tools such as ping, tracert/traceroute, ipconfig/ifconfig, nslookup, and network monitoring tools.
- Basic understanding of firewalls and network security.
- Ability to read network topology and rack elevation diagrams.
- Knowledge of CCTV networking is an added advantage.
- Preferred CertificationsCCNA or equivalent networking certification.
- Network+ or other relevant networking certification.
- Soft SkillsGood communication and customer-handling skills.
- Strong troubleshooting and analytical ability.
- Ability to work independently at customer sites.
- Willingness to travel to project locations.
- Ability to prepare explicit technical reports.
- Good coordination with project, sales, and service teams.

📌 Network (Support) Engineer (Chennai)
🏢 Vansom Technologies
📍 Chennai