Senior Network Security Engineer

NTT DATA North America; Plano (TX); On-site; USD 100,000 - 130,000; Full time

Job summary

NTT DATA North America is seeking a Systems Integration Specialist Advisor in Plano, Texas. The role includes leading implementations of security changes across firewalls and optimizing encryption policies.

Candidates must have over 7 years of experience in network security and expertise with Palo Alto Networks platforms. This position is critical for ensuring robust security measures and requires strong documentation and troubleshooting skills.

Qualifications

• 7+ years of hands-on network security engineering experience.
• Strong expertise with Palo Alto Networks NGFW platforms.
• Experience implementing recommended security architecture and policy changes.

Responsibilities

• Lead implementation of Palo Alto recommended changes across firewalls.
• Design, configure, and optimize SSL/TLS encryption policies.
• Collaborate with engineering teams on architecture and deployment planning.

Skills

Network security engineering

Palo Alto Networks NGFW platforms

SSL/TLS decryption technologies

Cloudflare integration

Load balancer technologies

Troubleshooting

Documentation

Analytical skills

Tools

Palo Alto Panorama

Security policies

Job description

Overview

Company Overview: Req ID: 374417. NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. NTT DATA's Client is currently seeking a Systems Integration Specialist Advisor to join their team in Plano, Texas (US-TX), United States (US).

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.

Required Qualifications

• 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.
• Familiarity with Zero Trust and modern security architectures.
• Experience working in staff augmentation or consulting engagements.

Preferred Qualifications

• Palo Alto certifications (PCNSE preferred).
• Experience in large enterprise firewall environments.

About NTT DATA

NTT DATA is a $30 billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long term success. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure and connectivity. We are one of the leading providers of digital and AI infrastructure in the world. NTT DATA is a part of NTT Group, which invests over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. Visit us at us.nttdata.com

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