Wireless Network Engineer - Onsite, 24/7 Support

Starhub Ltd; Singapore; On-site; SGD 42,000 - 66,000; Full time

Job summary

Starhub Ltd is seeking an Associate Network Engineer to join our client-site team in Singapore. The role focuses on maintaining mission-critical wireless and network infrastructure, troubleshooting issues, and supporting incident response in a 24/7 environment.

You will work with Cisco and Aruba gear, perform maintenance and upgrades, and coordinate with vendors, service desks, and facilities while emphasizing documentation and governance.

Qualifications

• Diploma, Higher NITEC, or equivalent qualification in IT or related discipline.
• Basic knowledge of networking, WiFi, internet connectivity, and endpoint devices.
• Experience in Service Desk, Helpdesk, NOC, or customer support environments preferred.
• Good communication, coordination, and customer service skills.
• Familiarity with ServiceNow or ITSM ticketing systems is advantageous.

Responsibilities

• Support day-to-day operations of wireless infrastructure including Cisco Wireless solutions, Aruba solutions, switches, firewalls, captive portals, and authentication systems.
• Perform troubleshooting for Wireless connectivity issues, DNS, DHCP, captive portal access, OTP login issues, VLAN routing, authentication failures, and internet access problems.
• Manage service technical escalations and support major incident troubleshooting during service disruptions.
• Support preventive maintenance, firmware upgrades, patching, and technology refresh activities for wireless and network infrastructure.
• Support WLC upgrade activities including Access Point image updates, failover testing, rollback planning, and validation activities.
• Work closely with vendor TAC such as Cisco TAC and Aruba TAC for issue analysis and problem resolution.
• Perform root cause analysis (RCA) and prepare incident reports, technical findings, and preventive recommendations.
• Support implementation activities including Access Point deployment, switch replacement, firewall migration, SSL certificate updates, and network migrations.
• Coordinate with stakeholders, vendors, contractors, and facility management teams during maintenance and implementation activities.
• Support testing activities such as congestion testing, failover testing, WiFi roaming optimization, and POE/network validation.
• Monitor infrastructure health using tools such as Catalyst Center, AirWave, SevOne, LogicMonitor, NetAlly.
• Fluent in ITSM Incident, Change Management, Service Request platforms such as ServiceNow.
• Maintain technical documentation including install plans, diagrams, inventory records, validation evidence, and maintenance reports.
• Support after-office-hour maintenance windows, standby support, and emergency troubleshooting activities.
• Ensure compliance with operational governance, safety requirements, and change management procedures.

Job description

Starhub Ltd is seeking an Associate Network Engineer to join our client-site team in Singapore. The role focuses on maintaining mission-critical wireless and network infrastructure, troubleshooting issues, and supporting incident response in a 24/7 environment.

You will work with Cisco and Aruba gear, perform maintenance and upgrades, and coordinate with vendors, service desks, and facilities while emphasizing documentation and governance.