Network & Firewall Engineer (Palo Alto Specialist) | NTT Global | Singapore

NTT Global; Singapore; On-site; SGD 89,000 - 156,000; Full time

Job summary

NTT Global in Singapore seeks a Network & Firewall Engineer with deep Palo Alto expertise to design, implement, and optimize enterprise network security. You will manage NGFWs, Panorama, VPNs, and routing while ensuring high availability and compliance across business-critical environments.

The role requires hands‑on security architecture skills, incident management capability, and collaboration with infrastructure and IT operations teams to sustain robust connectivity and security.

Qualifications

• Strong TCP/IP networking fundamentals and enterprise network architecture.
• Hands-on experience with Palo Alto Firewalls and Panorama management platforms.
• Experience managing firewall security policies, VPNs, NAT, and access control mechanisms.
• Knowledge of DNS, DHCP, BGP, VLANs, and VPN technologies.
• Experience supporting enterprise LAN and WAN environments.
• Understanding of defense-in-depth security architectures.
• Experience with firewall troubleshooting, policy optimization, and security monitoring.
• Familiarity with network performance analysis and troubleshooting methodologies.
• Strong analytical, problem-solving, and incident management capabilities.
• Excellent communication, documentation, and stakeholder management skills.
• Experience working within enterprise infrastructure and cybersecurity environments.

Responsibilities

• Design, configure, implement, and maintain Palo Alto NGFWs.
• Manage firewall policies, security rules, NAT, URL filtering, and threat prevention.
• Administer Palo Alto Panorama for centralized management and policy control.
• Monitor network performance and security events for optimal operations.
• Troubleshoot complex network and security incidents across LAN/WAN/VPN.
• Conduct firewall audits, policy reviews, and rule recertification.
• Support enterprise routing and switching infrastructure with secure connectivity.
• Perform risk assessments and contribute to cybersecurity governance.
• Collaborate with infrastructure, cloud, and security teams on best practices.
• Investigate incidents and provide expertise during response activities.
• Maintain network documentation and architecture diagrams.

Skills

TCP/IP fundamentals

Palo Alto NGFW

Panorama management

Firewall policy management

VPN, NAT & access control

DNS, DHCP, BGP, VLANs

LAN/WAN expertise

Security architectures (defense-in-</w

Troubleshooting & monitoring

Incident management & comms

Education

Bachelor's degree or equivalent

Job description

Job Title: Network & Firewall Engineer (Palo Alto Specialist) | NTT Global | Singapore

Recruiting Company: NTT Global

Job Location: Singapore

Job Type: Full-Time

Application Method

• Location: Singapore
• Specialization: Palo Alto Network Security
• Enterprise Infrastructure & Cybersecurity Environment
• Palo Alto Certified Professionals Preferred

Position Summary

NTT Global is seeking a highly skilled Network & Firewall Engineer with deep expertise in Palo Alto security technologies to support and secure enterprise network infrastructure. This role combines advanced networking, firewall management, security policy governance, and incident response responsibilities to ensure robust, high-performance, and secure connectivity across business-critical environments.

Detailed Job Description

As a Network & Firewall Engineer, you will be responsible for designing, implementing, managing, and optimizing enterprise network and security infrastructure with a primary focus on Palo Alto Networks solutions. You will oversee firewall performance, security policy enforcement, VPN connectivity, routing and switching operations, and network security compliance initiatives. Working closely with Infrastructure, Cybersecurity, and IT Operations teams, you will play a key role in maintaining a secure and resilient network environment while ensuring high availability and operational efficiency. The role requires strong hands‑on experience in enterprise networking, security architecture, firewall administration, and security incident management. This is an excellent opportunity to work with cutting‑edge security technologies in a dynamic enterprise environment.

Key Responsibilities

• Design, configure, implement, and maintain Palo Alto Next-Generation Firewalls (NGFW)
• Manage firewall policies, security rules, NAT configurations, URL filtering, and threat prevention services
• Administer and support Palo Alto Panorama for centralized firewall management and policy control
• Monitor network performance, security events, and infrastructure health to ensure optimal operations
• Troubleshoot complex network and security incidents across LAN, WAN, VPN, and internet connectivity environments
• Conduct firewall audits, policy reviews, rule recertification, and security optimization activities
• Support enterprise routing and switching infrastructure while maintaining secure network connectivity
• Perform risk assessments and contribute to cybersecurity compliance and governance initiatives
• Collaborate with infrastructure, cloud, and security teams to implement network security best practices
• Investigate security incidents and provide technical expertise during incident response activities
• Maintain network documentation, security standards, architecture diagrams, and operational procedures

Required Qualifications & Skills

• Strong expertise in TCP/IP networking fundamentals and enterprise network architecture
• Hands‑on experience with Palo Alto Firewalls and Panorama management platforms
• Proven experience managing firewall security policies, VPNs, NAT, and access control mechanisms
• Strong knowledge of Domain Name System (DNS), Dynamic Host Configuration Protocol (DHCP), Border Gateway Protocol (BGP), VLANs, and VPN technologies
• Experience supporting enterprise LAN and WAN environments
• Strong understanding of network security principles and defense‑in‑depth architectures
• Experience with firewall troubleshooting, policy optimization, and security monitoring
• Familiarity with network performance analysis and troubleshooting methodologies
• Strong analytical, problem‑solving, and incident management capabilities
• Excellent communication, documentation, and stakeholder management skills
Experience working within enterprise infrastructure and cybersecurity environments

Nice‑to‑Have Skills

• Palo Alto Certified Network Security Administrator (PCNSA)
• Palo Alto Certified Network Security Engineer (PCNSE)
• Experience with Fortinet, Check Point, or Cisco Meraki security solutions
• Exposure to Amazon Web Services (AWS), Microsoft Azure, or Google Cloud Platform (GCP) networking and security
• Knowledge of Secure Access Service Edge (SASE) and Zero Trust architectures
• Experience with Security Information and Event Management (SIEM) platforms and network monitoring tools

Recruitment Pro Tip

For Palo Alto-focused roles, hiring managers place significant value on candidates who can demonstrate real-world firewall implementation, policy optimization, and security incident response experience. Highlight projects involving Palo Alto NGFW deployments, Panorama management, VPN design, network segmentation, threat prevention, and measurable improvements in security posture, compliance, or network performance to maximize your chances of shortlisting.