Network & Firewall Engineer (Palo Alto Specialist)

AVENSYS CONSULTING PTE. LTD.; Singapore; On-site; SGD 70,000 - 120,000; Full time

Job summary

AVENSYS CONSULTING PTE. LTD. in Singapore is seeking a highly skilled Network & Firewall Engineer with hands-on Palo Alto firewall experience to design, deploy, and optimize secure network infrastructure across client environments.

You will manage firewalls, VPNs, routing, and security policies, monitor performance, perform audits, and collaborate with IT and security teams to ensure resilient connectivity. Excellent communication and problem-solving are essential.

Qualifications

• Strong knowledge of networking protocols (TCP/IP, DNS, DHCP, BGP, VLANs, VPNs).
• Hands-on experience with Palo Alto firewalls (configuration, troubleshooting, Panorama).
• Good understanding of network security concepts, intrusion detection/prevention systems, and threat analysis.
• Experience in managing enterprise-level LAN, WAN, and VPN infrastructures.
• Familiarity with firewall migration, upgrades, and policy optimization.
• Strong troubleshooting and analytical skills.
• Excellent communication and collaboration abilities.

Responsibilities

• Design, configure, and manage Palo Alto firewalls and related security policies.
• Monitor, troubleshoot, and optimize network performance and security.
• Implement, manage, and maintain network infrastructure including routing, switching, and VPN solutions.
• Perform firewall rule reviews, updates, and optimization to maintain compliance and security.
• Collaborate with IT, Security, and Infrastructure teams to ensure secure connectivity across environments.
• Conduct regular network and firewall audits, risk assessments, and incident response activities.
• Provide technical support, documentation, and knowledge transfer to team members.

Skills

Networking protocols

Palo Alto firewalls

Network security

LAN/WAN/VPN management

Migration & upgrades

Troubleshooting

Communication

Job description

Role Overview

We are seeking a highly skilled Network& Firewall Engineer with strong expertise in network infrastructure andhands-on experience managing firewalls, particularly Palo Alto firewalls.The ideal candidate will ensure the security, stability, and efficiency of ournetwork infrastructure while supporting ongoing projects and day-to-dayoperations.

Key Responsibilities

• Design, configure, and manage Palo Alto firewalls and related security policies.
• Monitor, troubleshoot, and optimize network performance and security.
• Implement, manage, and maintain network infrastructure including routing, switching, and VPN solutions.
• Perform firewall rule reviews, updates, and optimization to maintain compliance and security.
• Collaborate with IT, Security, and Infrastructure teams to ensure secure connectivity across environments.
• Conduct regular network and firewall audits, risk assessments, and incident response activities.
• Provide technical support, documentation, and knowledge transfer to team members.

Required Skills & Qualifications

• Strong knowledge of networking protocols (TCP/IP, DNS, DHCP, BGP, VLANs, VPNs, etc.).
• Hands-on experience with Palo Alto firewalls (configuration, troubleshooting, security policies, Panorama).
• Good understanding of network security concepts, intrusion detection/prevention systems, and threat analysis.
• Experience in managing enterprise-level LAN, WAN, and VPN infrastructures.
• Familiarity with firewall migration, upgrades, and policy optimization.
• Strong troubleshooting and analytical skills.
• Excellent communication and collaboration abilities.

Preferred Qualifications

• Palo Alto certifications (e.g., PCNSA, PCNSE) highly desirable.
• Experience with other Network/firewall/security platforms (Meraki, Fortinet, Check Point) is a plus.
• Knowledge of cloud networking and security (AWS, Azure, GCP) is an advantage.