Senior Network Security Engineer

• NTT DATA’s Client is seeking a highly experienced Senior Network Security Engineer to support a strategic initiative involving the encryption and decryption optimization of approximately 80 Next-Generation Firewalls (NGFWs) utilizing Palo Alto Networks technology. The engineer will be responsible for implementing Palo Alto recommended best practices and configuration changes while collaborating closely with internal engineering resources.

• This role requires strong expertise in Palo Alto firewall administration, SSL/TLS decryption policies, network security architecture, troubleshooting, and integration with Cloudflare and load balancing environments.

Key Responsibilities

• Lead implementation of Palo Alto recommended changes across approximately 80 NGFW firewalls.

• Design, configure, and optimize SSL/TLS encryption and decryption policies.

• Perform firewall rule analysis, policy tuning, and security hardening.

• Collaborate with Cadence engineering teams on architecture, deployment planning, and operational readiness.

• Work alongside Cloudflare and load balancer infrastructure teams to ensure secure and optimized traffic flow.

• Troubleshoot complex networking and security issues involving encrypted traffic inspection.

• Validate firewall performance, stability, and security compliance after implementation changes.

• Develop implementation documentation, operational procedures, and knowledge transfer materials.

• Mentor and support the junior engineer assigned to the project.

• Assist in transition and operational handoff to the designated Client engineer being groomed for long-term ownership.

• 7+ years of hands-on network security engineering experience.

• Strong expertise with Palo Alto Networks NGFW platforms.

• Deep understanding of SSL/TLS decryption technologies and best practices.

• Experience implementing Palo Alto recommended security architecture and policy changes.

• Hands-on experience with Palo Alto Panorama, Security policies and NAT, Threat Prevention, URL Filtering, SSL Forward Proxy / Inbound Inspection.

• Experience integrating security controls with Cloudflare environments.

• Strong understanding of load balancer technologies and traffic flow concepts.

• Excellent troubleshooting and analytical skills.

• Strong documentation and communication abilities.

• Preferred Qualifications

• Palo Alto certifications (PCNSE preferred).

• Experience in large enterprise firewall environments.

• Familiarity with Zero Trust and modern security architectures.

• Experience working in staff augmentation or consulting engagements.

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