Technical Enterprise Architect

Optimal Growth Technologies
Johannesburg, Gauteng
Contract
Posted 3 hours ago
Contract Construction
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Job Description

Role purpose

  • Provide end-to-end architectural governance. The role ensures that business processes, operational technology, applications, integrations, infrastructure, security and support arrangements work together as a coherent solution and meet governance requirements.

Key roles and responsibilities

  • Lead design reviews; establish design principles, standards and acceptance criteria.
  • Act as the single architecture point of accountability for cross-domain decisions.
  • Maintain an auditable architecture decision register with rationale, impacts, conditions, approvers and follow-up actions.
  • Track technical debt, assumptions, exceptions and architecture risks to closure.
  • Ensure solution designs and supplier deliverables remain aligned with the approved architecture.
  • Review designs for new sites, components, interfaces and change requests before implementation or formal approval.
  • Assess proposed changes for their effect on performance, security, availability, data integrity, supportability and disaster recovery.
  • Provide oversight and ownership of solution artefacts
  • Provide architectural oversight of the interfaces between OT devices, Applications, Kafka, SAP and integration platforms.
  • Define architecture requirements for production readiness, monitoring, service continuity, disaster recovery and the transition into operational support.
  • Guide technical teams in resolving issues that cross system or supplier boundaries.
  • Assess non-functional requirements and architectural evidence for Cybersecurity, Identity, Network segmentation, Availability, capacity, observability, data integrity, backup, disaster recovery and IT service continuity.

Required experience and capabilities

  • Senior Enterprise or Solution Architecture experience leading large, multi-vendor and multi technology tower programmes through design, implementation, commissioning and operational transition.
  • Demonstrated authority in architecture governance - chairing design reviews, handling exceptions, documenting trade-offs and influencing decisions across organizational boundaries.
  • Strong working knowledge of enterprise integration, OT/IT convergence, cyber security, infrastructure, resilience and disaster recovery.
  • Ability to produce clear, decision-ready architecture artefacts and communicate risks to engineers, delivery leaders and senior stakeholders.
  • TOGAF 9 or higher certified
  • Senior hands-on experience in infrastructure, security, Service Provider, Enterprise Integration, application platforms or technical solution delivery.
  • Ability to give engineers technical direction, maintain reliable evidence and documentation, and escalate decisions outside technical execution authority.
  • Strong troubleshooting skills across networking, Security, APIs, messaging platforms, networks, proxies
  • Ability to work across application, infrastructure, network and operational technology teams.
  • Clear technical documentation and communication skills.
  • CCIE level expertise or equivalent experience
  • Education : Computer Science , Electrical Engineering and/or equivalent
  • Years of experience : 5-8+ years of relevant experience

Interested in this role?

You'll apply on Optimal Growth Technologies's own site before 28 November 2026. Put your most relevant experience at the top of your CV first.

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Job details
Job TypeContract
LocationJohannesburg, Gauteng
CategoryConstruction
Experience5+ years
Posted29 October 2026
Closing Date28 November 2026
Optimal Growth Technologies
Johannesburg, Gauteng

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