Senior Manager - Information Security Systems Architecture.Information Security at MTN

Responsibilities

Mission/ Core purpose of the Job

• The Senior Manager Information Systems Security Architect’s mission is to architect and govern secure, resilient, compliant enterprise information systems, including ERP, OSS/BSS, enterprise applications, data platforms, and cross-system integrations both on premise and in the cloud.
• This role ensures that MTN’s multi-market enterprise application estate, internal platforms, and data and AI environments (including agentic AI) are secured in line with privacy, sovereignty, and enterprise security standards.
• IT service architecture review and solution designs are key deliverables in order to assure “security by design” and “security by default” in IT projects

Key Performance Areas: Core, essential responsibilities / outputs of the position (KPA's)

The Senior Manager Information Systems Security Architect is responsible for the following Key Performance Areas:

Enterprise Security Architecture Governance

• Establish secure-by-design principles for ERP, CRM, OSS/BSS, and enterprise application ecosystems both on premise and in the cloud.
• Oversee architecture for middleware, integration layers, internal APIs, and data flows.

Data Security, Sovereignty & Privacy-by-Design

• Architect privacy-by-design solutions across multi-country environments.
• Implement data classification, tokenisation, anonymisation, and confidential compute. 
• Ensure cross-border data exchange compliance.

Hybrid & Cloud-Integrated Enterprise Systems

• Govern security of hybrid IT (on-prem + cloud) for enterprise workloads.
• Define secure migration models from legacy to cloud-native systems.
• Promote AI guardrails for all Genova project with impact on digital platforms

Enterprise Identity & Access Governance

• Define enterprise IAM, PAM, SSO, and authentication architectures.
• Define micro-segmentation architectures
• Define governance and guardrails for agentic identities
• Multi-Market Standardisation
• Develop reusable enterprise system architecture blueprints across OpCos

Qualifications

Job Requirements (Education, Experience and Competencies)

Minimum Qualifications

• Bachelor’s degree in Computer Science/Information Systems/Engineering (or equivalent).
• Post grad preferred (e.g., MSc, MBA) or equivalent experience.

Experience

• 8–12+ years total IT/security experience; 5-7+ years in security architecture within large, complex enterprises.
• Experience securing large enterprise systems, ERP/CRM/OSS/BSS
• Demonstrable delivery across cloud, API, data/AI, mobile/web apps, Security for AI and AI for security and telco/network environments.
• Experience operating in multi market/Group OpCo models and regulated domains (POPIA/GDPR; PCI/FS for fintech).

Certifications (Preferred)

• Architecture: SABSA, TOGAF.
• Security: CISSP, CCSP, CISM (or equivalent).
• Cloud: Azure/AWS/GCP security certifications.
• DevSecOps/IaC: Kubernetes, Terraform, or equivalent product certs.
• Compliance: ISO 27001 Lead Implementer/Auditor, PCI ISA (if fintech).
• AI: security for AI certifications

Technical Competencies

• Enterprise architecture frameworks
• Data protection technologies (both on premise and in cloud)
• IAM/PAM & identity governance
• Micro-segmentation
• Integration security (APIs, middleware)
• Hybrid IT and Cloud security governance
• Security for AI
• Security incident management
• Project Management 

Behavioural Competencies

• Governance orientation
• Analytical problem solving
• Stakeholder influence
• Risk and compliance mindset

Apply Before 05/28/2026