Senior Network Engineer: SD-WAN, Security & Cisco

LAM RESEARCH Corporation; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

LAM RESEARCH Corporation is seeking an experienced Senior Network Engineer to lead enterprise network design, deployment, and optimization across LAN, WAN, WLAN, and SD‑WAN environments. You will implement and troubleshoot Cisco and F5 platforms, ensuring security, reliability, and scalability while coordinating with global teams on migrations.

The role requires a strong foundation in OSI model, extensive hands-on experience with DNS/HTTP/SSL and VPN technologies, and CCNP-level certification.

Qualifications

• Bachelor's degree in Engineering, Computer Science, or a related field.
• 10+ years of experience in network engineering and infrastructure projects.
• Strong understanding of OSI model and core networking principles.
• Experience with enterprise networks including LAN, WAN, WLAN.
• Hands-on experience with DNS, HTTP, SSL, 802.1X, DMVPN, TACACS+, RADIUS, SD-WAN, WAN optimization, SSL VPN.

Responsibilities

• Understand business requirements and develop network solutions & proposals.
• Act as primary contact for network project rollout & execution plan.
• Prioritize & manage multiple network build and transformation projects.
• Design, configure & deploy enterprise network solutions across LAN, WAN, WLAN, and SD‑WAN.
• Implement & troubleshoot network technologies (DNS, HTTP, SSL, 802.1X, DMVPN, TACACS+, RADIUS & VPN).
• Support load balancing, WAN optimization & secure access architectures (SSL VPN, Zero Trust).
• Work on Cisco (Nexus, Catalyst, WLC, ISE) & F5 platforms installation, configuration & troubleshooting.
• Provide documentation and train operation teams for handover.

Skills

Networking basics

SD-WAN

Cisco Nexus

F5 load balancer

Network security

DNS/HTTP/SSL

WLC/ISE

Education

Bachelor's degree in Engineering/CS

Tools

Cisco Nexus

F5 Big-IP

Aruba SD-WAN

Job description

LAM RESEARCH Corporation is seeking an experienced Senior Network Engineer to lead enterprise network design, deployment, and optimization across LAN, WAN, WLAN, and SD‑WAN environments. You will implement and troubleshoot Cisco and F5 platforms, ensuring security, reliability, and scalability while coordinating with global teams on migrations.

The role requires a strong foundation in OSI model, extensive hands-on experience with DNS/HTTP/SSL and VPN technologies, and CCNP-level certification.