Wireless Engineer (Tier 3)

Singtel Group; Singapore; Hybrid; SGD 60,000 - 80,000; Full time

Job summary

A leading telecommunications company in Singapore is looking for a WiFi Tier 3 Engineer. This hybrid role involves configuring and activating WiFi services, supporting ongoing operations, and collaborating with delivery teams. The ideal candidate will have a degree in IT/computer science and 3+ years in WiFi engineering, with familiarity in various WiFi platforms. This position provides an opportunity to work with cutting-edge technologies in a dynamic environment.

Qualifications

• 3+ years of relevant experience in WiFi engineering, preferably in managed services.
• Strong understanding of wireless networking standards.
• Experience with enterprise WiFi platforms.

Responsibilities

• Configure and provision WiFi infrastructure components.
• Integrate WiFi services with enterprise systems.
• Execute technical onboarding procedures.
• Conduct pre-deployment and post-deployment checks.
• Serve as Tier 3 escalation for complex wireless issues.

Skills

WiFi engineering experience

Knowledge of wireless networking standards

RF theory understanding

LAN/WAN integration

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.