Hybrid AI Solutions Architect — Secure, Scalable Architecture

Centrax Group; Sandton; Hybrid; ZAR 1,200,000 - 1,800,000; Full time

Job summary

Centrax Digital in Sandton, South Africa, seeks an AI Solutions Architect to turn prioritized AI use cases into secure, costed and operable designs that fit each client's platforms.

You will hold design authority, guide trade-offs across models, data, integration and security, and collaborate with the AI Engineering team to maintain reference architectures and advise clients on AI platforms and vendors.

Qualifications

• Bachelor's degree in Computer Science, Engineering, Information Systems or a related field.
• Master's in CS, AI or data science is an advantage.
• Minimum 8 years' experience in software engineering or solution architecture, including at least 3 years as an architect.
• Hands-on experience designing LLM-based applications in production, including retrieval and evaluation.
• Architect-level knowledge of Azure, AWS or Google Cloud and its AI services, and experience designing for POPIA.
• A cloud architect certification is preferred.
• An AI or ML specialization, TOGAF certification, or Zoho integration experience is an advantage.

Responsibilities

• Produce AI solution architecture for client engagements: context, logical and physical designs, data flows, integration points and non-functional requirements.
• Select models, platforms and deployment patterns based on quality, cost, latency, data residency and risk.
• Design data and retrieval architecture for AI workloads, including ingestion, vector and search stores, access control and lineage.
• Design the integration of AI capabilities into client systems, including Zoho applications, line-of-business platforms and APIs.
• Build security, privacy and safety into every design, including POPIA-aligned data handling, cross-border transfer controls and human oversight points.
• Estimate effort, infrastructure and run costs, and support pre-sales with credible scoping.
• Hold design authority during delivery, recording decisions in architecture decision records and reviewing builds against the design.
• Maintain the CAIF reference architecture patterns with the AI Engineering team, and advise clients on AI platforms and vendors without bias.

Education

Bachelor's degree in Computer Science, Engineering, Information Systems or a related field

Master's in CS, AI or data science

8+ years' experience in software engineering or solution architecture

LLM-based design experience in production

Cloud architecture knowledge of Azure/AWS/GCP

Security, POPIA compliance design

Cloud architect certification preferred

AI/ML specialization

TOGAF certification or Zoho integration experience a plus

Job description

Centrax Digital in Sandton, South Africa, seeks an AI Solutions Architect to turn prioritized AI use cases into secure, costed and operable designs that fit each client's platforms.

You will hold design authority, guide trade-offs across models, data, integration and security, and collaborate with the AI Engineering team to maintain reference architectures and advise clients on AI platforms and vendors.