Senior Java Engineer – Scalable Systems & Solution Design

Vitality; Johannesburg; Hybrid; ZAR 1,200,000 - 1,800,000; Full time

Job summary

NTT DATA in Johannesburg is seeking a Senior Security Technical Architect to lead the design of secure, compliant solutions across systems, applications, and infrastructure. You will collaborate with cross-functional teams to embed security in the lifecycle, guide coding practices, and drive regulatory compliance.

The role requires deep expertise in network, application, cloud security, IAM, cryptography, and TOGAF-based architecture, with strong pre-sales and project management skills.

Qualifications

• Bachelor's degree in information technology, Computer Science, or related field.
• TOGAF/Zachman certifications are essential.

Responsibilities

• Design secure architectures tailored to current and future needs.
• Lead pre-sales support and analyze client requirements to enhance security capabilities.
• Guide secure coding practices, IAM, and data protection across lifecycle.
• Lead incident response activities and ensure regulatory compliance.
• Draft technical design documents and deliver proposals through to delivery.
• Oversee POC initiatives and align solutions with client needs and pricing.

Skills

Network security

Application security

Cloud security

Data protection

Identity and access management

Cryptography

Secure coding practices

Enterprise architecture (TOGAF)

Security standards (ISO 27001/NIST/PCI

Security technologies (firewalls/SIEM)

Analytical thinking

Client engagement

Project management

Education

Bachelor's degree in IT/CS

TOGAF certification

Zachman certification

Tools

Firewalls

IDS/IPS

SIEM

Vulnerability scanners

Secure coding analysis tools

Job description

Senior Security Technical Architect

Johannesburg NTT America, Inc.

Posted 4 days ago

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.