DevOps Network & Security Engineer F / H

Network & Security Engineer

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.

We are seeking a highly skilled and adaptable Network & Security Engineer with strong Web / DevOps experience to architect, secure, and automate the advanced networking infrastructure supporting our AI Factory. This role involves managing high-bandwidth fabrics (such as InfiniBand) across Dell / NVIDIA GPU clusters, ensuring secure and resilient connectivity for AI / ML workloads. You will collaborate closely with DevOps and AI platform teams to streamline deployment, monitoring, and incident response for cloud-native applications running on OpenShift and Kubernetes, while integrating cutting-edge GPU orchestration and data management solutions.

Key Responsibilities :

Network & Security :

• Design, deploy, and secure high-throughput network architectures supporting RoCE and InfiniBand fabrics for AI / ML workloads.
• Manage Dell / NVIDIA GPU networking environments, including backend and frontend switch configurations (e.g., Z9432F, S5248F).
• Design, deploy, and manage secure, scalable network architectures (LAN / WAN, VPN, firewall, routing).
• Implement and maintain network security controls across RDMA-enabled fabrics, ensuring isolation and integrity of GPU clusters.
• Configure and maintain network security devices including firewalls, IDS / IPS, and VPN concentrators.
• Monitor and analyze traffic across 100G / 200G fabrics using advanced SIEM and telemetry tools.
• Perform vulnerability assessments, threat modelling, and implement mitigation strategies.
• Respond to security incidents, conduct root cause analysis, and support forensic investigations.
• Ensure compliance with industry security standards and regulatory requirements.
• Collaborate with security teams to implement Zero Trust and network segmentation strategies.

DevOps :

Preferred Qualifications :

Education and Required Skills :

Hybrid Working

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. We invest over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. 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 also one of the leading providers of digital and AI infrastructure in the world. NTT DATA is part of NTT Group and headquartered in Tokyo.

NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, color, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us. Apply today.

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