CCIE Certified Network Security Engineer_Contract

NTT SINGAPORE PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

NTT SINGAPORE PTE. LTD. seeks an experienced L3 Network Security Engineer to provide advanced support, administration, and troubleshooting for enterprise network and security infrastructure in Singapore.

The role requires hands-on expertise with Cisco, Palo Alto, Check Point, Fortinet, Infoblox, and F5, plus automation skills using Python and Ansible. CCIE certification is highly preferred and advantageous for this senior position.

Qualifications

• 8+ years of experience in network and security engineering (required).
• Hands-on with Cisco Routing & Switching, Palo Alto, Check Point, Fortinet, Infoblox, and F5.
• Automation experience with Python and Ansible.
• CCIE certification (Enterprise Infrastructure/Security) preferred.

Responsibilities

• Provide Level 3 support for complex network and security incidents.
• Design, implement, and maintain enterprise network security solutions.
• Manage and troubleshoot Cisco routers, switches, firewalls, load balancers, and services.
• Administer Palo Alto, Check Point, and Fortinet firewalls.
• Support Infoblox DNS, DHCP, IPAM.
• Configure and manage F5 Load Balancers (LTM/GTM).
• Develop network automation scripts using Python and Ansible.
• Perform root cause analysis and implement preventive measures.
• Collaborate with cross-functional teams on infrastructure projects and security initiatives.
• Ensure adherence to security, compliance, and operational standards.

Skills

8+ years of experience in Network &amp

Cisco Routing & Switching

Palo Alto

Check Point

Fortinet Firewalls

Infoblox DNS/DHCP/IPAM

F5 Load Balancers

Python

Ansible

Education

CCIE Certification (Enterprise Infrastructure/Security)

Tools

Python

Ansible

Infoblox

F5 BIG-IP

Job description

Job Summary

We are seeking an experienced L3 Network Security Engineer to provide advanced support, administration, and troubleshooting for enterprise network and security infrastructure. The ideal candidate should have strong hands-on expertise in Cisco, Palo Alto, Check Point, Fortinet, Infoblox, and F5 technologies, along with automation skills using Python and Ansible. CCIE certification is highly preferred.

Key Responsibilities

• Provide Level 3 support for complex network and security incidents.
• Design, implement, and maintain enterprise network security solutions.
• Manage and troubleshoot Cisco routers, switches, firewalls, load balancers, and network services.
• Administer security platforms including Palo Alto, Check Point, and Fortinet firewalls.
• Support Infoblox DNS, DHCP, and IPAM solutions.
• Configure and manage F5 Load Balancers (LTM/GTM).
• Develop and maintain network automation scripts using Python and Ansible.
• Perform root cause analysis and implement preventive measures.
• Collaborate with cross-functional teams on infrastructure projects, upgrades, and security initiatives.
• Ensure adherence to security, compliance, and operational standards.

Required Skills & Experience

• 8+ years of experience in Network & Security Engineering.
• Strong hands-on experience with: Cisco Routing & Switching Palo Alto, Check Point, and Fortinet Firewalls Infoblox (DNS, DHCP, IPAM)F5 Load Balancers
• Experience in automation using Python and Ansible.
• Strong troubleshooting and incident management skills.
• Experience in enterprise or banking environments is an advantage.
• CCIE Certification (Enterprise Infrastructure/Security) preferred.

Preferred Qualifications

• CCIE Certified.
• Additional certifications such as PCNSE, NSE, CCSA, or F5 Certified Professional are advantageous.
• Knowledge of SD-WAN, Network Security, and Cloud Networking will be a plus.