Senior Network Engineer: Security & Multi-Vendor WAN/WLAN

UNIZEN TECHNOLOGIES PTE. LTD.; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

UNIZEN TECHNOLOGIES PTE. LTD. is seeking an experienced Network Engineer to design, deploy, secure, and maintain complex enterprise networks across multi-vendor environments in Singapore.

You will lead end-to-end network operations, from LAN/WLAN architecture and firewall management to advanced routing, security hardening, and 24x7 incident support, serving as escalation point. The role requires strong firewall knowledge and hands-on experience with Palo Alto, Check Point, and Fortigate.

Qualifications

• Bachelor's degree in information technology, Computer Science, or a related field.
• 3-5 years of experience in handling Network and Security Domain.
• Minimum CCNP is required.
• PCNSE or CCSE equivalent certification is value added.
• Proven experience in managing Palo Alto, Check Point and Fortigate firewalls.
• Proficiency in configuring and troubleshooting Cisco or equivalent switches and Routers.
• Strong knowledge of network protocols, routing, and switching, and Wi Fi standards (802.11 a/b/g/n/ac/ax).
• Excellent problem-solving and analytical skills.
• Excellent skillset on Network Analysis and Migration planning to handle Network projects.
• Effective communication and teamwork abilities.

Responsibilities

• Network Design & Architecture: Plan, design, and implement enterprise LAN and wireless networks (802.11 standards).
• Core Infrastructure & Device Management: Configure, deploy, and manage multi-vendor switches/routers; firewall management.
• Security, Compliance & Incident Response: Lead RCA, ensure SLA compliance, patching, and CIS-aligned hardening.
• Lifecycle & Asset Management: Upgrades, inventory, IPAM, and lifecycle documentation.
• Operations & Facility Support: Health checks, and data center power recovery coordination.

Skills

Network design

Firewall management

Routing & switching

Wi-Fi 802.11

CPPM

Incident response

Multi-vendor support

Education

Bachelor's degree in information technology, Computer Science, or a related field

Tools

Palo Alto

Check Point

Fortigate

Cisco switches/routers

Job description

UNIZEN TECHNOLOGIES PTE. LTD. is seeking an experienced Network Engineer to design, deploy, secure, and maintain complex enterprise networks across multi-vendor environments in Singapore.

You will lead end-to-end network operations, from LAN/WLAN architecture and firewall management to advanced routing, security hardening, and 24x7 incident support, serving as escalation point. The role requires strong firewall knowledge and hands-on experience with Palo Alto, Check Point, and Fortigate.