{"id":3715009,"url":"https://alion.io/job/optimal-growth-technologies-technical-enterprise-architect","title":"Technical Enterprise Architect","company":{"id":4496265,"name":"Optimal Growth Technologies","domain":"optimalgrowthtechnologies.com","url":"https://alion.io/company/optimal-growth-technologies","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Solutions","role_family":"Solutions","seniority":"staff","employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Johannesburg, South Africa"],"countries":["ZA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false}],"status":"live","first_seen_at":"2026-10-29T15:49:15Z","employer_posted_date":null,"last_verified_at":"2026-10-29T15:49:15Z","board_verified":false,"closed_at":null,"days_open":10,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":10},"description":"Role purpose\n\n 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.\n\nKey roles and responsibilities\n\n Lead design reviews; establish design principles, standards and acceptance criteria.\n\n Act as the single architecture point of accountability for cross-domain decisions.\n\n Maintain an auditable architecture decision register with rationale, impacts, conditions, approvers and follow-up actions.\n\n Track technical debt, assumptions, exceptions and architecture risks to closure.\n\n Ensure solution designs and supplier deliverables remain aligned with the approved architecture.\n\n Review designs for new sites, components, interfaces and change requests before implementation or formal approval.\n\n Assess proposed changes for their effect on performance, security, availability, data integrity, supportability and disaster recovery.\n\n Provide oversight and ownership of solution artefacts\n\n Provide architectural oversight of the interfaces between OT devices, Applications, Kafka, SAP and integration platforms.\n\n Define architecture requirements for production readiness, monitoring, service continuity, disaster recovery and the transition into operational support.\n\n Guide technical teams in resolving issues that cross system or supplier boundaries.\n\n Assess non-functional requirements and architectural evidence for Cybersecurity, Identity, Network segmentation, Availability, capacity, observability, data integrity, backup, disaster recovery and IT service continuity.\n\nRequired experience and capabilities\n\n Senior Enterprise or Solution Architecture experience leading large, multi-vendor and multi technology tower programmes through design, implementation, commissioning and operational transition.\n\n Demonstrated authority in architecture governance - 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