Hands-On Network Engineer: LAN/WAN & Security Expert

INTEGRITI CORE PTE. LTD.; Singapore; On-site; SGD 50,000 - 70,000; Full time

Job summary

Integriti Core, a Singapore-based IT services provider, is seeking a Network Engineer with hands-on experience in configuring switches, firewalls and wireless networks. You will support client networks day-to-day, perform standard changes and assist in new deployments, with senior engineers guiding you toward Level 2 expertise.

The role requires 2–3 years of network support or related hands-on experience, a CCNA or equivalent, and solid fundamentals in TCP/IP, VLANs, and routing.

Qualifications

• Diploma or degree in IT, CS, or network engineering.
• 2–3 years in network support/operations or 1+ year in Level 1 with hands-on networking.
• CCNA certification or equivalent required.
• Strong networking fundamentals: TCP/IP, VLANs, STP, routing.
• Hands-on with enterprise switches, wireless APs, firewalls.
• Familiarity with DHCP, DNS, NAT, IPsec, SSL VPN, 802.1X authentication.
• English communication and clear documentation.

Responsibilities

• Monitor network health and troubleshoot LAN/WAN/Wi‑Fi/VPN issues.
• Resolve tickets from service desk and escalate to Level 3 as needed.
• Make standard configuration changes under approved change requests.
• Install, configure and replace switches, APs, firewalls, SFPs and UPS units.
• Run firmware upgrades, backups and preventive maintenance.
• Support site surveys, deployments and network migrations.
• Coordinate with ISPs and vendors on faults and RMA cases.
• Maintain network diagrams, IP plans and OS procedures.

Skills

Networking fundamentals

Subnetting

VLANs

Documentation

Education

Diploma/degree in IT/Computer Science/Network Engineering

Tools

SolarWinds

PRTG

Zabbix

FortiCloud

Meraki

Aruba Central

Job description

Integriti Core, a Singapore-based IT services provider, is seeking a Network Engineer with hands-on experience in configuring switches, firewalls and wireless networks. You will support client networks day-to-day, perform standard changes and assist in new deployments, with senior engineers guiding you toward Level 2 expertise.

The role requires 2–3 years of network support or related hands-on experience, a CCNA or equivalent, and solid fundamentals in TCP/IP, VLANs, and routing.