Senior Network & Voice Infrastructure Engineer

ALPHAEUS PTE. LTD.; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

ALPHAEUS PTE. LTD. is seeking an experienced Network Engineer to support daily operation, maintenance and improvement of enterprise network and voice infrastructure in Singapore.

You will ensure reliable connectivity and timely resolution of service incidents, while collaborating with internal teams and vendors. The role requires hands-on Cisco switches/routers and wireless infrastructure experience, knowledge of LAN/WAN and routing protocols, plus familiarity with CUCM/UC and IP telephony.

Qualifications

• Diploma or Degree in IT/CS/Engineering/Telecommunications or related field.
• 5–6 years of enterprise network engineering or infrastructure support experience.
• Hands-on experience with Cisco switches/routers and wireless infrastructure.
• Knowledge of LAN/WAN, wireless networking and routing protocols (BGP/EIGRP/OSPF).
• Experience with network monitoring, incident resolution and change implementation.
• Familiarity with Cisco voice systems (CUCM/UC) and IP telephony is preferred.

Responsibilities

• Operate and support LAN, WAN, wireless networks, data centre connectivity and enterprise voice systems.
• Install, configure, maintain and troubleshoot Cisco switches, routers, wireless APs and related gear.
• Monitor network availability, performance and alerts; investigate incidents and take corrective actions.
• Provide Level 1/2 support; escalate to vendors or specialists when needed.
• Support routing and switching technologies (BGP, EIGRP, OSPF, VLANs, MPLS).
• Coordinate network projects with IT teams, providers, vendors and cabling contractors.
• Conduct wireless site surveys, cabling tests, and assess coverage.
• Support CUCM, CUC, IP phones, Cisco Jabber, Webex and voice gateways.

Skills

Network engineering

Troubleshooting

Documentation

Communication

Teamwork

Education

Diploma or Degree in IT/CS/Engineering/Telecommunications

Tools

Cisco switches

Cisco routers

Wireless access points

CUCM/UC

Voice gateways

Webex

Job description

ALPHAEUS PTE. LTD. is seeking an experienced Network Engineer to support daily operation, maintenance and improvement of enterprise network and voice infrastructure in Singapore.

You will ensure reliable connectivity and timely resolution of service incidents, while collaborating with internal teams and vendors. The role requires hands-on Cisco switches/routers and wireless infrastructure experience, knowledge of LAN/WAN and routing protocols, plus familiarity with CUCM/UC and IP telephony.