Senior Network & Security Architect

UNIZEN TECHNOLOGIES PTE. LTD.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

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

You will lead end-to-end network operations—from LAN/WLAN architecture and firewall management to advanced routing, security hardening, and 24x7 incident support. The role requires strong firewall knowledge and CCNP certification, with PCNSE/CCSE as value adds.

Qualifications

• Bachelor's degree in information technology, Computer Science, or a related field.
• Minimum 6-8 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 standards

Incident response

Education

Bachelor's degree in information technology or Computer Science

Tools

Palo Alto

Check Point

Fortigate

Cisco

Job description

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

You will lead end-to-end network operations—from LAN/WLAN architecture and firewall management to advanced routing, security hardening, and 24x7 incident support. The role requires strong firewall knowledge and CCNP certification, with PCNSE/CCSE as value adds.