Enterprise Network & Security Engineer (CCNA)

Avensys Consulting; Singapore; On-site; SGD 70,000 - 90,000; Full time

Job summary

Avensys Consulting is seeking a skilled Network Engineer with hands-on experience in enterprise network infrastructure, next‑generation firewalls, and proxy security solutions. The ideal candidate will hold CCNA certification and practical experience with Fortinet FortiGate and Palo Alto NGFW platforms.

The role focuses on designing, implementing, securing, and maintaining high‑availability network environments across LAN/WAN/WLAN, VPNs, and security services, with strong documentation and

Qualifications

• Bachelor’s degree or equivalent experience.
• CCNA certification required.
• 3–7 years hands-on network security engineering.
• Experience with Fortinet FortiGate, Palo Alto NGFW, and proxy/web security.

Responsibilities

• Design, implement, and maintain LAN, WAN, WLAN, and SD‑WAN environments.
• Configure routing protocols (OSPF, BGP, EIGRP).
• Implement VLANs, NAT, QoS, and IP addressing schemes.
• Monitor network performance and ensure high availability.
• Deploy Fortinet FortiGate firewalls and Palo Alto NGFW.
• Configure security policies, VPNs, and web filtering.
• Maintain network diagrams and documentation.
• Collaborate with SOC teams for threat mitigation.

Skills

CCNA certification

Network security engineering

TCP/IP/DNS/DHCP

VPN technologies

Routing & Switching concepts

Education

Bachelor’s degree in Computer Science, IT, or related field

Tools

Fortinet FortiGate

Palo Alto NGFW

Secure Web Gateway

Job description

Avensys Consulting is seeking a skilled Network Engineer with hands-on experience in enterprise network infrastructure, next‑generation firewalls, and proxy security solutions. The ideal candidate will hold CCNA certification and practical experience with Fortinet FortiGate and Palo Alto NGFW platforms.

The role focuses on designing, implementing, securing, and maintaining high‑availability network environments across LAN/WAN/WLAN, VPNs, and security services, with strong documentation and