Engineer III, IT Infrastructure (Network)

Join UCT and be part of the fastest-growing sector in the world! We indirectly touch every semiconductor chip that goes into every smartphone, smart car and device that uses artificial intelligence. This is a critical time for the semiconductor industry and for UCT - as technology evolves, we evolve with it. UCT is a diverse workplace where every talented employee is committed to continuous innovation, challenging the status quo and exceeding customer expectations. If you are a person with a relentless drive to succeed, a strong focus on quality with a passion for success – join us today!

UCT is looking for a talented Engineer III, IT Infrastructure (Network) to join us in Penang, Malaysia!

Job Summary

The IT Infrastructure Engineer will design, deploy, and maintain enterprise network systems to ensure performance, reliability, security, and scalability. This role will lead configuration, troubleshooting, and continuous improvement of LAN, WLAN, VoIP, and SD-WAN technologies. As a key technical escalation point, the engineer will need to collaborate with global teams and effectively use monitoring and management tools to proactively address issues and maintain accurate documentation to support business objectives and operational excellence. This role requires flexibility to attend occasional evening or late-night meetings aligned with European and North American business hours.

Essential Duties and 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

Knowledge, Skills and Abilities

• Strong knowledge and foundation of network routing and switching
• Strong experience with Cisco IOS, IOS-XE, and NX-OS
• Wireless networking fundamentals
• Experience and understanding of SD-WAN appliances and NGFW’s
• Excellent written and verbal communication skills
• Experience with scripting (Python, Ansible).

Educational/Certification Requirement

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

Work Experience

• Minimum 8-year experience working in Information Technology roles
• Minimum 5-year experience building, deploying, maintaining, and troubleshooting wireless LAN
• Minimum 3-year experience with advanced administration of Cisco routers and switches

At Ultra Clean Technology, we do not just welcome diversity - we celebrate it! Ultra Clean Technology is proud to be an equal opportunity employer. We are committed to equal employment opportunity regardless of race, color, national or ethnic origin, age, religion, disability, sexual orientation, gender, gender identity and expression, marital status, and any other characteristic protected under laws and regulations.