IT Network Senior Engineer

STMicro; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

STMicroelectronics in Singapore seeks a Network Engineer specializing in enterprise wireless environments to lead the configuration, maintenance, and troubleshooting of Cisco wireless architectures while supporting core routing and switching.

The role focuses on deploying and optimizing Wi‑Fi 6/6E/7 APs, managing SSIDs and diagrams, and collaborating with IT teams to ensure high availability and peak performance.

Qualifications

• Experience in configuring and managing enterprise wireless networks (Cisco Catalyst 9800).
• Hands-on troubleshooting of wireless and wired network issues.
• Knowledge of network topology, topology diagrams, and VLANs.

Responsibilities

• Configure and manage Cisco Wireless Infrastructure (Catalyst 9800).
• Deploy and optimize Wi‑Fi 6/6E/7 APs and manage SSIDs.
• Maintain topology diagrams and AP locations; log issues with Cisco TAC.

Skills

Network engineering

Cisco Wireless

Troubleshooting

Network monitoring

Vendor liaison

Tools

Cisco Catalyst 9800

Wi-Fi 6/6E/7

Zabbix

SolarWinds

Kiwi CatTools

Job description

OUR STORY

At STMicroelectronics, we believe in the power of technology to drive innovation and make a positive impact on people, businesses, and society. As a global semiconductor company, our advanced technologies and chips form the hidden foundation of the world we live in today.

When you join ST, you will be part of a global business with more than 115 nationalities, present in 40 countries, and comprising over 50,000 diverse and dedicated creators and makers of technology around the world.

Developing technologies takes more than talent: it takes amazing people who understand collaboration and respect. People with passion and the desire to disrupt the status quo, drive innovation, and unlock their own potential.

Embark on a journey with us, where you can innovate for a future that we want to make smarter and greener, in a responsible and sustainable way. Our technology starts with you.

We are seeking a skilled Network Engineer specializing in enterprise wireless environments to join our infrastructure team. In this role, you will lead the configuration, maintenance, and troubleshooting of Cisco wireless architectures, while supporting core routing, switching, and auxiliary network appliances.

Key Responsibilities

Cisco Wireless Infrastructure (Mandatory)

• Configure and manage advanced Cisco Catalyst 9800 Series Wireless Controllers.
• Deploy and optimize Cisco Wi-Fi 6, 6E, and Wi-Fi 7 access points (APs).
• Create and maintain accurate network topology and AP location diagrams.
• Handle administrative controls, including SSID management and client MAC address filtering.
• Troubleshoot signal degradation and connectivity issues.
• Escalate software bugs to the central wireless team and log tickets with Cisco TAC.
• Maintain cold-spare hardware inventories to ensure minimal downtime during replacements.
• Familiar with SDA (Software-Defined Access) wireless network architecture.

Cisco Core Network Maintenance (Preferred)

• Manage Cisco enterprise routing and switching infrastructure, including Catalyst, Nexus, and ACI fabrics.
• Oversee IP address management, subnetting, and VLAN configurations.
• Track hardware inventory, including device models, serial numbers, and maintenance contracts.
• Maintain cold-spare hardware inventories to ensure minimal downtime during replacements.

Terminal Server and UPS/ATS Management (Good to Have)

• Administer Perle terminal servers for new manufacturing fab equipment
• Configure and deploy Network UPS and Automatic Transfer Switches (ATS).
• Manage lifecycle operations, inventory tracking, and spare hardware.

Specialized Network Appliances (Good to Have)

• Support Cisco Meraki platforms for mobile device and guest Wi-Fi management.
• Maintain SMS gateways, specifically Talariax SendQuick Entera appliances.
• Perform routine firmware and software upgrades across all auxiliary appliances.

Network Monitoring & Administration (Good to Have)

• Monitor network health using Zabbix, SolarWinds Kiwi CatTools, Advanced Host Monitor, and Kiwi Syslog Server.
• Manage software licensing and vendor renewals.
• Liaise with software support vendors to resolve technical glitches and system bugs.

ST is proud to be one of the 17 companies certified as a 2025 Global Top Employer and the first and only semiconductor company to achieve this distinction. ST was recognized in this ranking thanks to its continuous improvement approach and stands out particularly in the areas of ethics & integrity, purpose & values, organization & change, business strategy, and performance.

At ST, we endeavor to foster a diverse and inclusive workplace, and we do not tolerate discrimination. We aim to recruit and retain a diverse workforce that reflects the societies around us. We strive for equity in career development, career opportunities, and equal remuneration. We encourage candidates who may not meet every single requirement to apply, as we appreciate diverse perspectives and provide opportunities for growth and learning. Diversity, equity, and inclusion (DEI) is woven into our company culture.

To discover more, visit st.com/careers.