SAGL CONSULTING PTE. LTD. Hiring! Full Time Senior AWS Network - Firewall Engineer (L3) in Central Region (Singapore), Earn up to SGD 8,000 - Ricebowl

Job Description

We are seeking an experienced Network & Firewall Engineer to design, administer and troubleshoot AWS networking infrastructure, firewall services and enterprise network security solutions.

Key Responsibilities

• Design and manage AWS VPCs, subnets, routing and Transit Gateway (TGW).

• Configure and troubleshoot VPN connectivity and network routing.

• Manage AWS Security Groups and Network ACLs (NACLs).

• Administer and troubleshoot AWS Network Firewall, WAF and Palo Alto firewalls.

• Support ALB, NLB and GWLB services.

• Manage Route 53 and troubleshoot DNS resolution issues.

• Support and troubleshoot Squid proxy services.

• Perform advanced L3 network and firewall troubleshooting.

• Review firewall policies, security rules and network configurations.

• Lead root cause analysis for complex network incidents.

• Implement network optimisation and approved security changes.

Requirements

• Minimum 6 years of overall relevant experience.

• Minimum 5 years in Network & Security, including AWS networking and firewall technologies.

• Strong hands-on experience with VPC, subnets, routing, TGW and VPN.

• Experience with AWS Network Firewall, WAF, Security Groups and NACLs.

• Experience with Palo Alto firewalls and Squid proxy.

• Knowledge of ALB, NLB, GWLB and Route 53.

• Strong L3 network troubleshooting and security policy management experience.

• Bachelor's degree in IT, Computer Science or equivalent qualification.

• AWS Certified Advanced Networking – Specialty certification required.