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NTT DATA Logo NTT DATA · IT - Administration

Security Support Services Engineer (L3)

India, Kolkata · Job Posted May 29, 2026
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Job Description

The L3 Security Engineer for IPS, Proxy, and Malware Sandboxing will be a senior member of the security team with a focus on Palo Alto and Check Point Next-Generation Firewalls (NGFW) and Anti-DDoS solutions. This is a senior role responsible for the design, implementation, and maintenance of complex security infrastructures. This position involves acting as a final escalation point for critical issues, leading incident response, and providing expert technical guidance.

Job Responsibility

  • Serve as the subject matter expert for all Next-Generation Firewall platforms, including hardware, virtual, and cloud-native firewalls (e.g. Palo Alto)
  • Design, implement, and maintain the bank's Anti-DDoS solution, including both on-premises appliances and cloud-based scrubbing services
  • Configure and maintain anti-DDoS solutions (such as Arbor) to mitigate volumetric and application-layer DDoS attacks
  • Monitor DDoS threats and fine-tune protection mechanisms to ensure network availability
  • Design, configure, implement complex security policies, network address translation (NAT), and VPN tunnels
  • Provide technical guidance and mentorship to L1 and L2 analysts
  • Act as the final escalation point (L3) for complex security incidents and problems, providing expert resolution and support
  • Participate in a 24x7 on-call rotation to provide incident management for mission-critical services
  • Contribute to the technology roadmap by researching, evaluating & recommending new security tools & capabilities
  • Responsible for timely patch deployment, migration of firmware/software and deployment of configuration as part of migrated functionality, timely update of necessary signatures, and its functionality after taking complete precaution to avoid outage and downtime
  • Maintain network and security architecture diagram and review and update the based-on changes
  • Provide the suggestions for any enhancements/changes that can enhance the security posture and/or add business value to the delivery framework
  • Develop and document standard operating procedures and runbooks for incident response related to IPS, proxy, and sandboxing events
  • Analyze incidents independently & identify root cause and act for containment and remediation
  • Provide engineering analysis and architectural design of technical solutions

Requirements

  • Serve as the subject matter expert for all Next-Generation Firewall platforms, including hardware, virtual, and cloud-native firewalls (e.g. Palo Alto)
  • Design, implement, and maintain the bank's Anti-DDoS solution, including both on-premises appliances and cloud-based scrubbing services
  • Configure and maintain anti-DDoS solutions (such as Arbor) to mitigate volumetric and application-layer DDoS attacks
  • Monitor DDoS threats and fine-tune protection mechanisms to ensure network availability
  • Design, configure, implement complex security policies, network address translation (NAT), and VPN tunnels
  • Provide technical guidance and mentorship to L1 and L2 analysts
  • Act as the final escalation point (L3) for complex security incidents and problems, providing expert resolution and support
  • Participate in a 24x7 on-call rotation to provide incident management for mission-critical services
  • Sound analytical and troubleshooting skills and good Team Management & co-ordination skills
  • Contribute to the technology roadmap by researching, evaluating & recommending new security tools & capabilities
  • Responsible for timely patch deployment, migration of firmware/software and deployment of configuration as part of migrated functionality, timely update of necessary signatures, and its functionality after taking complete precaution to avoid outage and downtime
  • Maintain network and security architecture diagram and review and update the based-on changes
  • Provide the suggestions for any enhancements/changes that can enhance the security posture and/or add business value to the delivery framework
  • Develop and document standard operating procedures and runbooks for incident response related to IPS, proxy, and sandboxing events
  • Shall analyze incidents independently & identify root cause and act for containment and remediation
  • Provides engineering analysis and architectural design of technical solutions
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