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NTT DATA Logo NTT DATA · IT - Software Development

Security Network Engineer – Cloud Migration

Singapore, Singapore · Job Posted May 29, 2026
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Job Responsibility

  • Implement firewall rule changes to support migration activities and ongoing operations
  • Configure and manage network security devices (e.g., Fortigate, Palo Alto)
  • Support hybrid connectivity setup including VPN and ExpressRoute configurations
  • Implement network segmentation and micro-segmentation strategies
  • Enforce enterprise security policies and compliance requirements across environments
  • Support secure connectivity between on-premise and Azure environments
  • Configure and manage Azure networking components (VNets, NSGs, route tables, load balancers)
  • Implement and maintain secure access controls and network security principles in cloud environments
  • Support design and implementation of secure hybrid architectures
  • Assist in implementing security controls for cloud-based workloads
  • Resolve incidents and service requests within agreed SLA timelines under general supervision
  • Monitor network and security systems proactively to detect and mitigate issues
  • Investigate, analyse, and troubleshoot network and security-related incidents
  • Maintain accurate and timely updates in ticketing systems with resolution details
  • Escalate complex issues to senior engineers or Technical Leads where required
  • Ensure adherence to ITIL processes including Incident, Problem, and Change Management
  • Support, track, and document change implementation activities
  • Participate in security audits, compliance checks, and risk assessments
  • Contribute to continuous improvement of security and network operations
  • Work closely with migration teams, cloud engineers, and security architects
  • Communicate effectively with stakeholders to support secure migration delivery
  • Share knowledge and document solutions for recurring issues
  • Support junior engineers and contribute to team capability development

Requirements

  • 3–5 years of experience in networking and security engineering
  • Hands-on experience with firewall administration (Fortigate, Palo Alto preferred), Azure networking (VNets, NSGs, routing), VPN and ExpressRoute connectivity, network security principles and segmentation, security policy implementation and compliance
  • Strong understanding of hybrid cloud networking architectures
  • Experience supporting enterprise infrastructure and migration projects
  • Bachelor’s degree in IT, Computer Science, or related field (or equivalent experience)
  • Preferred certifications: CCNA / CCNP (Networking), Palo Alto, Fortinet, or other firewall certifications, Microsoft Certified: Azure Network Engineer Associate, security certifications (e.g., CISSP, Security+) are advantageous
  • Experience with Zero Trust architectures
  • Exposure to cloud security tools (Defender for Cloud, Sentinel)
  • Strong troubleshooting and analytical skills in network and security domains
  • Ability to work in high-pressure, mission-critical environments
  • Good communication and stakeholder engagement skills
  • Attention to detail and strong documentation practices
  • Customer-focused mindset with commitment to service excellence

Nice to have

  • CCNA / CCNP (Networking)
  • Palo Alto, Fortinet, or other firewall certifications
  • Microsoft Certified: Azure Network Engineer Associate
  • Security certifications (e.g., CISSP, Security+)
  • Experience with Zero Trust architectures
  • Exposure to cloud security tools (Defender for Cloud, Sentinel)
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