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Open nowPosted today

Network Infrastructure Engineer

ALPHAEUS PTE. LTD.

Pay
SGD 3,000 – SGD 5,000 a month
Where
Singapore
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Your applicationOpen nowNetwork Infrastructure EngineerALPHAEUS PTE. LTD. · Singapore
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12.4% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
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  2. 4.5%3 days
  3. 12.4%7 days
  4. 20.0%14 days
  5. 35.5%30 days
  6. 58.6%60 days
This job: posted today

The posting

Job Summary

Support the daily operation, maintenance and improvement of enterprise network and voice infrastructure, ensuring reliable connectivity and timely resolution of service incidents.

Key Responsibilities

  • Operate and support LAN, WAN, wireless networks, data centre connectivity and enterprise voice systems.
  • Install, configure, maintain and troubleshoot Cisco switches, routers, wireless access points and associated network equipment.
  • Monitor network availability, performance and alerts, investigate incidents and implement corrective actions.
  • Provide Level 1 and Level 2 support, including troubleshooting, root cause investigation and escalation to vendors or specialist teams.
  • Support routing and switching technologies, including BGP, EIGRP, OSPF, VLANs, STP, ACLs and MPLS.
  • Implement approved network changes, infrastructure upgrades, equipment replacements and maintenance activities.
  • Coordinate network projects with internal IT teams, telecommunications providers, equipment vendors and cabling contractors.
  • Conduct wireless coverage assessments and site surveys, and perform network cabling inspections and connectivity testing.
  • Support Cisco Unified Communications Manager (CUCM), Cisco Unity Connection (CUC), IP phones, Cisco Jabber, Webex, voice gateways and voicemail services.
  • Handle voice user provisioning, extension configuration, phone registration and moves, adds, changes and deletions (MACD).
  • Troubleshoot voice service issues using call detail records, gateway logs and other diagnostic information.
  • Perform preventive maintenance, configuration reviews, software and firmware upgrades, and vulnerability remediation.
  • Maintain network diagrams, configuration records, asset inventories and configuration management database (CMDB) information.
  • Manage incidents, service requests and change tickets within agreed service-level agreements.
  • Prepare operational reports and support capacity planning, audits and service improvement activities.

Requirements

  • Diploma or Degree in Information Technology, Computer Science, Computer Engineering, Telecommunications or a related discipline.
  • 5–6 years of relevant experience in enterprise network engineering or infrastructure support.
  • Hands-on experience with Cisco switches, routers and wireless infrastructure.
  • Working knowledge of LAN, WAN, wireless networking and the routing and switching technologies listed above.
  • Experience in network monitoring, incident resolution, troubleshooting and change implementation.
  • Working knowledge of Cisco enterprise voice systems, including CUCM, CUC, IP telephony and voice gateways.
  • Understanding of network security, patching, vulnerability remediation and IT audit requirements.
  • Ability to maintain accurate technical documentation and coordinate with vendors and internal stakeholders.
  • Familiarity with Ekahau wireless survey tools and Fluke network testers would be an advantage.
  • Strong problem-solving, communication and teamwork skills.

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