Senior Network Infrastructure Engineer - LAN, WLAN & SD-WAN

Ultra Clean Technology; Batu Kawan; On-site; MYR 100,000 - 160,000; Full time

Job summary

Ultra Clean Technology in Penang, Malaysia is seeking an Engineer III, IT Infrastructure (Network) to design, deploy, and maintain enterprise network systems, ensuring performance, reliability, security, and scalability. You will lead configuration and troubleshooting of LAN, WLAN, VoIP, and SD-WAN, collaborating with global teams and maintaining thorough documentation.

Flexibility to attend occasional meetings across European and North American hours is required.

Qualifications

• Bachelor’s degree or equivalent experience/certifications.
• Technical certifications: Cisco CCNA or higher.

Responsibilities

• Perform and document network configuration changes across switches, routers, and wireless controllers
• Deploy, manage, and support enterprise LAN, VoIP, WLAN, and SD-WAN environments
• Oversee the ongoing development and operation of network systems to ensure reliability, availability, and performance
• Test and validate network functionality, performance, and resiliency
• Implement configuration enhancements, software updates, and firmware upgrades on network equipment
• Independently identify, troubleshoot, isolate, and resolve complex network issues
• Collaborate with global infrastructure teams and participate in critical meetings scheduled across multiple time zones
• Use network monitoring tools to analyze traffic, availability, capacity, and performance to be able to generate operational reports
• Create and maintain accurate network diagrams, configurations, and technical procedures

Skills

Network routing & switching

Cisco IOS/IOS-XE/NX-OS

Wireless networking

SD-WAN & NGFWs

Communication skills

Scripting (Python/Ansible)

Education

Bachelor’s degree or equivalent

Cisco CCNA or higher

Job description

Ultra Clean Technology in Penang, Malaysia is seeking an Engineer III, IT Infrastructure (Network) to design, deploy, and maintain enterprise network systems, ensuring performance, reliability, security, and scalability. You will lead configuration and troubleshooting of LAN, WLAN, VoIP, and SD-WAN, collaborating with global teams and maintaining thorough documentation.

Flexibility to attend occasional meetings across European and North American hours is required.