Wireless Engineer (Tier 3)

Singtel Group; Singapore; On-site; SGD 60,000 - 85,000; Full time

Job summary

Singtel is seeking a WiFi Tier 3 Engineer to join their Managed WiFi team. This hybrid role involves configuring customer WiFi services and maintaining a centralized WiFi platform. Candidates should possess a degree in IT or Computer Science and have at least 3 years of relevant experience. You will be responsible for supporting WiFi engineering operations and resolving escalations while contributing to ongoing platform improvements.

Qualifications

• 3+ years relevant experience in WiFi engineering.
• Experience with enterprise WiFi platforms.
• Industry certifications preferred (CWNA, CWNP, Cisco Wireless, Aruba ACMA).

Responsibilities

• Configure and activate WiFi services and perform diagnostics.
• Integrate WiFi services with enterprise systems such as RADIUS and DHCP.
• Conduct pre-deployment checks and post-deployment validation.

Skills

WiFi engineering

Wireless networking standards

RF theory

LAN/WAN integration

Network security protocols

Education

Degree in Information Technology/Computer Science

Tools

Meraki

Aruba

Ruckus

Cisco

Job description

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An empowering career at Singtel begins with a Hello. Our purpose, to Empower Every Generation, connects people to the possibilities they need to excel. Every "hello" at Singtel opens doors to new initiatives, growth, and BIG possibilities that takes your career to new heights. So, when you say hello to us, you are really empowered to say…“Hello BIG Possibilities”.

The WiFi Tier 3 Engineer plays a hybrid role within the Managed WiFi team, supporting both Day 1 provisioning activities and ongoing WiFi engineering operations. This role is responsible for configuring and activating customer WiFi services, performing detailed diagnostics, and assisting in maintaining a secure, scalable, and high-performing centralized WiFi platform. The engineer will work closely with delivery teams during service onboarding and provide technical support to the WiFi Engineering team for escalations, platform optimization, and process improvement.

• Perform end-to-end configuration and provisioning of WiFi infrastructure components including access points, wireless controllers, SSIDs, VLANs, and policy enforcement rules via centralized platforms
• Integrate WiFi services with enterprise systems such as RADIUS, DHCP, DNS, and authentication gateways.
• Execute technical onboarding procedures, including zero-touch provisioning (ZTP), AP registration, firmware validation, and template-based configuration deployment.
• Conduct pre-deployment readiness checks, post-deployment verification (connectivity, roaming, signal quality), and validate compliance with design specifications.
• Document configurations, implementation steps, and test results to support knowledge transfer and future troubleshooting.
• Serve as Tier 3 escalation for complex wireless issues.
• Assist WiFi Engineering with Tier 3 escalations, platform diagnostics, and log analysis.
• Participate in platform monitoring, firmware reviews, and security patching tasks.
• Contribute to documentation of configurations, playbooks, and knowledge articles.
• Test new features, templates, or processes prior to implementation.
• Stay updated with emerging WiFi standards (Wi-Fi 6/6E/7) and industry trends to evaluate and introduce new WiFi technologies and automation capabilities.

Skills For Success:

• Degree in Information Technology/Computer Science
• A 3+ years of relevant experience in WiFi engineering, preferably in a managed services or enterprise IT environment.
• Strong understanding of wireless networking standards, RF theory, and LAN/WAN integration.
• Experience with enterprise or cloud-based WiFi platforms (Meraki, Aruba, Ruckus, Cisco).
• Knowledge of authentication systems and network security protocols.
• Industry certifications preferred (e.g., CWNA, CWNP, Cisco Wireless, Aruba ACMA).
• Experience with provisioning tools, scripting, or automation is a plus.