Senior Security Technical Architect

NTT DATA, Inc.; Johannesburg; Hybrid; ZAR 1 634 000 - 2 126 000; Full time

Job summary

A global technology services leader is seeking a Senior Security Technical Architect in Johannesburg, South Africa. You'll design secure solutions and lead incident response while collaborating with cross-functional teams. Ideal candidates have a degree in IT, extensive security domain knowledge, and certifications in Enterprise Architecture methodologies. This role offers a hybrid working model and the chance to work at the forefront of security innovations. Apply now to help safeguard essential systems and applications.

Benefits

Hybrid working environment

Opportunity for career growth

Diversity and inclusion initiatives

Qualifications

• Proficiency in security domains including network security and cloud security.
• Thorough knowledge of enterprise architecture principles and frameworks.
• Understanding of security standards like ISO 27001 and NIST.
• Experience with security technologies including firewalls and SIEM.
• Advanced client engagement and technical consulting skills.

Responsibilities

• Design secure and compliant security architectures.
• Work as a technical advisor, offering pre-sales support.
• Lead incident response activities and manage client POC initiatives.
• Draft technical design documents that align with solution specifications.

Skills

Network security

Application security

Cloud security

Data protection

Identity and access management

Cryptography

Secure coding practices

Analytical problem-solving

Client engagement

Project management

Education

Bachelor’s degree in Information Technology

Certifications in Enterprise Architecture methodologies

Tools

Firewall

Intrusion detection/prevention systems

SIEM

Vulnerability scanners

Secure coding analysis tools

Job description

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’s 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

About NTT DATA

NTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world’s leading AI and digital infrastructure providers, with unmatched capabilities in enterprise‑scale AI, cloud, security, connectivity, data centers and application services. Our consulting and industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start‑up partners. NTT DATA is part of NTT Group, which invests over $3 billion each year in R&D.

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. Apply today.

Third parties fraudulently posing as NTT DATA recruiters

NTT DATA recruiters will never ask job seekers or candidates for payment or banking information during the recruitment process, for any reason. Please remain vigilant of third parties who may attempt to impersonate NTT DATA recruiters—whether in writing or by phone—in order to deceptively obtain personal data or money from you. All email communications from an NTT DATA recruiter will come from an @nttdata.com email address. If you suspect any fraudulent activity, please contact us.