Senior Security Technical Architect, Johannesburg

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 As a Senior Security Technical Architect at NTT DATA, your expertise will lead the creation of secure, compliant, and innovative solutions that safeguard our systems, applications, and infrastructure. Daily tasks include designing complex security architectures tailored to meet both current and future needs while collaborating closely with cross‑functional teams such as developers, engineers, and project managers to embed security considerations throughout the system design and development lifecycle.

You’ll proactively work as a trusted technical advisor, offering pre‑sales support and analysing client requirements to enhance their existing security capabilities. Your role includes guiding secure coding practices, network security, identity and access management, and data protection. Moreover,you will select and evaluate security technologies, tools, and frameworks to ensure our solutions remain cutting‑edge and effective.

Your work extends beyond design; you will lead incident response activities and ensure policies, standards, and procedures comply with industry regulations and best practices. Engaging with essential stakeholders, you’ll drive the drafting of technical design documents that align with solution specifications and contribute significantly to our pre‑sale efforts, including determining project scopes, product pricing, and RFP/RFI responses.

Managing client proof‑of‑concept (POC) initiatives and owning proposed solutions through to delivery are key aspects of your role. You will evaluate opportunities for alignment with NTT DATA’s capabilities, prepare executive summaries, develop solution designs, and document necessary deliverables. You’ll be instrumental during final presentations to clients, ensuring all proposals are accurate and align with their needs.

To thrive in this role, you need to have:

Proficiency in security domains including network security, application security, cloud security, DATA protection, identity and access management, cryptography, and secure coding practices.

Thorough knowledge of enterprise architecture principles and frameworks (e.g., TOGAF) for designing secure, scalable systems.

Understanding of security standards and regulations (e.g., ISO 27001, NIST, PCI dSS).

Experience with security technologies and tools, such as firewalls, intrusion detection/prevention systems, SIEM, vulnerability scanners, and secure coding analysis tools.

Exceptional understanding of the vendor's products, business, and technology positioning.

Advanced analytical and problem‑solving skills for assessing risks and proposing effective security solutions.

Advanced client engagement and technical consulting skills with the ability to deliver on business targets.

Extensive project management experience and familiarity with methodologies.

Bachelor’s degree in information technology, Computer Science, or related fields; certifications in Enterprise Architecture methodologies (e.g., TOGAF, Zachman) are essential.

Workplace type Hybrid Working

Equal Opportunity Employer 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, colour, 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.

#J-18808-Ljbffr