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Make an impact with NTT DATA. Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion it's a place where you can grow, belong and thrive. Your day at NTT DATA We are seeking a senior L4 security architect to lead the design and implementation of advanced security architectures for large-scale enterprise environments. This role focuses on multi-vendor next-generation firewall, DDoS mitigation, identity and access control, and full-stack observability integrated with automation and orchestration. The ideal candidate demonstrates deep, hands-on expertise across Cisco security platforms, threat analytics, and modern security frameworks, with proven experience driving complex deployments and mentoring engineering teams. Key responsibilities Architect end-to-end security solutions: Design secure network architectures incorporating next-generation firewall, segmentation, network access control, and zero trust principles across campus, data center, and cloud environments. Lead firewall and threat defense strategy: Implement Cisco Firepower Threat Defense (FTD) and Firewall Management Center (FMC) policies, optimize multi-vendor next-generation firewall (Cisco, Palo Alto, Fortinet) deployments, and ensure high availability. DDoS protection and mitigation: Design and operationalize Radware DDoS and NTT GIN DDoS solutions for critical infrastructure resilience. Identity and access control: Architect Cisco ISE for policy enforcement, network access control posture, and segmentation; integrate Cisco DUO for multi-factor authentication and zero trust access. Secure visibility and analytics: Deploy Cisco Secure Network Analytics (SNA), ThousandEyes, and Grafana dashboards for real-time threat detection and performance monitoring. Cloud and SaaS security: Implement Cisco Umbrella for DNS-layer protection and cloud security service provider management for cloud posture management. Automation and orchestration: Develop security orchestration and automation and response workflows, optimize security information and event management/extended detection and response integrations, and drive security automation using Python, Ansible, and API-based frameworks. Governance and compliance: Produce high-level design/low-level design, security standards, segmentation policies, and compliance artifacts; contribute to reusable templates and reference architectures. Mentorship and leadership: Guide engineering teams through design reviews, security best practices, and operational enablement sessions. Stakeholder engagement: Collaborate with network, cloud, and application teams to align security architecture with business objectives and measurable outcomes. Required qualifications (must-have) 10+ years in enterprise security architecture and engineering, including 35+ years leading multi-vendor next-generation firewall and advanced security solutions at scale. Proven hands-on expertise with Cisco FTD/FMC, Radware DDoS, Cisco Umbrella, Cisco ISE, Cisco DUO, and Cisco Secure Network Analytics. Strong experience with ThousandEyes, Grafana, and observability-driven security analytics. Deep knowledge of security information and event management, security orchestration, automation, and response, and security automation frameworks. Demonstrated success in segmentation design, network access control posture enforcement, and zero trust implementation. Preferred qualifications Cisco Certified Specialist or CCIE Security; certifications in Palo Alto, Fortinet, or cloud security (AWS/Azure). Experience with cloud security service provider management, application response optimization, and advanced threat intelligence platforms. Familiarity with Catalyst Center for integrated automation and assurance. Strong scripting and automation skills (Python, Ansible, Terraform). Work style & travel Must be able to work onsite at client locations as required. Off-hours change windows may be needed for critical security migrations and incident response. Applicants must be legally authorized to work in the United States at the time of application and must not require sponsorship for employment visa status now or in the future. Where required by law, NTT DATA provides a reasonable range of compensation for specific roles. The starting salary range for this onsite role is $160K-$190K plus bonus. This range reflects the minimum and maximum target compensation for the position across all US locations. Actual compensation will depend on several factors, including the candidate's actual work location, relevant experience, technical skills, and other qualifications. This position is eligible for company benefits that will depend on the nature of the role offered. Company benefits may include medical, dental, and vision insurance, flexible spending or health savings account, life, and AD&D insurance, short-and long-term disability coverage, paid time off, employee assistance, participation in a 401k program with company match, and additional voluntary or legally required benefits.
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