IT Infrastructure Engineer

Ultra Clean Asia Pacific Pte Ltd; Singapore; On-site; SGD 80,000 - 100,000; Full time

Job summary

A leading semiconductor company in Singapore is seeking an IT Infrastructure Engineer to design, deploy, and maintain enterprise network systems. You will manage LAN, VoIP, WLAN, and SDWAN technologies while collaborating with global teams to ensure reliability and performance. Ideal candidates possess a Bachelor's degree, 5 years of IT experience, and strong knowledge of Cisco systems. This role offers the opportunity to influence and innovate in a rapidly evolving sector.

Qualifications

• 5+ years of experience in Information Technology roles.
• 3+ years of advanced administration of Cisco routers and switches.
• 3+ years of experience building, deploying, maintaining, and troubleshooting wireless LAN.

Responsibilities

• Perform and track network configuration changes on network devices.
• Deploy and manage functional networks for LAN, VoIP, WLAN, and SDWAN.
• Oversee development and operations of network management systems.
• Collaborate with global teams to achieve IT and business goals.

Skills

Network routing and switching

Cisco IOS expertise

Wireless networking fundamentals

SD-WAN appliances understanding

NGFW fundamentals

Written communication skills

Scripting in Python

Scripting in Ansible

Education

Bachelor's degree or equivalent experience/certifications

Cisco CCNA or higher certifications

Job description

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 IT Infrastructure Engineer to join us in Singapore!

Job Summary

The IT Infrastructure Engineer is responsible for designing, deploying, and maintaining enterprise network systems to ensure optimal performance, reliability, and scalability. This role leads configuration management, troubleshooting, and continuous improvement of LAN, WLAN, VoIP, and SDWAN technologies. Serving as a technical escalation point, the engineer collaborates across global teams, leverages monitoring tools, and maintains documentation to support business objectives and drive operational excellence.

Essential Duties and Responsibilities

• Perform and track network configuration changes on switches, routers, and wireless controllers.
• Deploy and manage functional networks for LAN, VoIP, WLAN, and SDWAN.
• Oversee the ongoing development and operations of network management systems to ensure reliability and performance.
• Test and ensure network functionality and resiliency.
• Perform configuration improvements and software updates on network equipment.
• Able to independently identify, troubleshoot, and isolate any network issues.
• Utilize network monitoring tools to analyze network traffic, uptime, and provide reports.
• Create and maintain network diagrams and documentation.
• Collaborate with global teams to accomplish IT and business goals.
• Serve as escalation point to Tier 1 support team.
• Performs other related duties as assigned.

Other Duties

• Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties, or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

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.
• Fundamental understanding of NGFWs.
• 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 Requirements

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