Enterprise Architect (IT/OT)

via Mediro ICT · Johannesburg, Gauteng

About the role

Our client in Johannesburg is looking for an IT/OT Enterprise Architect on a full time contract basis.

Contract

duration: 6 - 8 months.

Hybrid working model.

You will define and drive the organisation's technology strategy across both IT and OT environments. You will act as the technical authority responsible for making technology stacks (ERP, SCADA, cloud, network, and data platforms) work together securely and reliably in a heavy-industry environment where operational continuity is critical.
Key Focus Areas:
Strategy & Leadership: Develop and maintain the IT/OT enterprise roadmap; document "as-is" environments and define the "to-be" target architecture.
OT/IT Integration: Design and govern the convergence of OT systems (SCADA, PLCs, historians) with enterprise IT (ERP, data platforms, cloud) aligned to Purdue Model network segmentation.
Solutions & Infrastructure: Architect end-to-end solutions spanning hybrid cloud, edge computing, and remote-site connectivity.
Governance & Risk: Address cybersecurity risk across IT/OT .

Degree in IT, Computer Science, Engineering, or a related field (TOGAF/Zachman certification highly desirable).
8–10 years' experience in IT/technology roles, with 3–5 years specifically in enterprise or solutions architecture.
Proven experience working across both IT and OT environments (Mining, heavy industry, manufacturing, or utilities).
Deep understanding of SCADA, PLC, historians, MES, and their integration with ERPs (SAP/Oracle).