Wifi Engineer (Tier 3)

SINGAPORE TELECOMMUNICATIONS LIMITED; Singapore; Hybrid; SGD 60,000 - 80,000; Full time

Job summary

A major telecommunications firm in Singapore is seeking a WiFi Tier 3 Engineer to manage both provisioning activities and ongoing WiFi engineering operations. Key responsibilities include configuring WiFi services, performing diagnostics, and assisting in platform optimization. The ideal candidate has over 3 years of experience in WiFi engineering and a solid understanding of networking standards. This role offers a competitive package and a hybrid work model.

Qualifications

• 3+ years of relevant experience in WiFi engineering, preferably in managed services.
• Strong understanding of wireless networking standards and RF theory.

Responsibilities

• Configure and activate customer WiFi services.
• Perform detailed diagnostics and support WiFi Engineering team.
• Conduct pre-deployment checks and validate compliance.

Skills

WiFi engineering

Network security protocols

Enterprise WiFi platforms

Education

Degree in Information Technology/Computer Science

Tools

Meraki

Aruba

Ruckus

Cisco

Job description

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.

1. Strong understanding of wireless networking standards, RF theory, and LAN/WAN integration.
2. Experience with enterprise or cloud-based WiFi platforms (Meraki, Aruba, Ruckus, Cisco).
3. Knowledge of authentication systems and network security protocols.
4. Industry certifications preferred (e.g., CWNA, CWNP, Cisco Wireless, Aruba ACMA).
5. Experience with provisioning tools, scripting, or automation is a plus.