Manager - Digital Security Architecture.Information Security

MTN; Roodepoort; On-site; ZAR 800 000 - 1 200 000; Full time

Job summary

A leading telecom company seeks a Manager for Digital Security Architecture in Roodepoort to oversee the design and implementation of security frameworks across multiple platforms. The ideal candidate should possess a degree in Information Technology and have 3–5 years of experience in IT security, with strong competencies in risk management and team leadership. This role includes collaboration with diverse teams and focuses on enhancing security measures across all service layers.

Qualifications

• 4-/6-year degree in relevant field required.
• Master's in Business Administration is an advantage.
• 3–5 years of relevant work experience in Information Technology.

Responsibilities

• Design and implement digital and cloud security architecture.
• Evaluate outsourced integration points for security.
• Manage development of security architecture and standards.

Skills

Security architecture

Risk management

Technical security disciplines

People management

Proactive and detail-oriented

Education

4-/6-year Information Technology / Information Systems / Engineering Degree

Master’s in Business Administration

CISSP / CISM / CEH / CSSP

Cloud certifications (Azure, GCP, AWS)

Tools

Windows Operating System

Linux Operating System

Unix Operating System

Job description

Job Title

Manager - Digital Security Architecture.Information Security

Job Location

Gauteng, Roodepoort

Deadline

October 22, 2025

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Responsibilities

• The Manager Digital Security Architecture is responsible for delivering technical security solution designs, technical reference architecture, standards and configurations for MTN’s new business ventures and innovations.
• These include the MTN Digital and Cloud technology stacks. Other areas within the scope of this role would be Software as a Service, Platform as a Service, Infrastructure as a Service third-party and internal core network interfaces.
• The role also collaborates with Fintech, Cloud Centre of Excellence and Software Solutions. Special focus shall be given to integrating disparate platforms, services, APIs and ensuring that the management of security compliance of products and services.
• These services deployed in the MTN Cloud, digital, and entertainment platforms should be improved across all layers in MTN OPCOs.
• The role will design security Architecture and serve as a security solutions architect for all new innovation, and business ventures and acquisitions for the MTN Group.
• Key Performance Areas: Core, essential responsibilities / outputs of the position (KPAs).
• The Manager Digital Security Architecture is responsible for the following deliverables :

Key Deliverables

• Design and implement digital and cloud security architecture.
• Design and implement technical architecture for group-wide risk mitigation of key risk areas for MTN (on premise, public and hybrid cloud platforms, including security monitoring, Mobile and cloud security assurance, group policy and vulnerability management).
• Assist OPCOs with digital, cloud technical security solution designs and implementation.
• Determine a holistic view of technical security requirements on MTN digital and cloud platforms by evaluating current security operations and requirements; researching security standards; studying architecture/platforms; identifying integration issues and preparing cost estimates.
• Evaluate outsourced integration points to ensure they provide adequate protection for the processing, transmission, and storage of transactions.
• Manage the development of security architecture and development standards for all components of the MTN Platforms (e.g., Middleware, Base OS, Connectivity, Physical Infrastructure, Backup and Recovery, cloud environment and APIs).
• Maintain a 3–5 year security architecture roadmap with budget requirements to prevent future cybersecurity attacks. Articulate the solution to senior management to receive executive buy-in.
• Support the activity of the Architecture Working Committee (AWC) and support the periodic request of the architecture principles related to information security.
• Support AI working group and the definition of “security guardrails” as part of the Responsible AI initiatives.
• Support the network standardization activities of the GSMA Fraud and Security Group (FASG).
• Assist with management of divisional budgets in line with business objectives and facilitate forecasting.
• Manage project initiative budgets in line with business objectives.
• Drive initiatives that will ensure that the “cost of operations” are reduced, in line with a least-cost operating strategy stemming from the business drivers.
• Assist Senior Management to develop and implement the overall security architecture requirements and framework, overarched by the business risk strategy.
• Responsible for the development and implementation of the security architecture roll-out definition and actualization via third parties.
• Roadmap definitions for security systems by monitoring security environment; identifying security gaps; evaluating and implementing enhancements.
• Responsible for the implementation and ongoing compliance of key Security Solutions.
• Perform best-practices risk assessment and security assurance of the MTN Security stacks.
• Vetting and advising all OPCO’s in the MTN portfolio on Core network, Digital and IT security related projects, including software developed in house by Software Solutions COE.
• Support Fintech and Infraco security in designing robust and secure architecture for the platform business.

Qualifications

Education

• 4-/6-year Information Technology / Information Systems / Engineering (or related) Degree.
• Master’s in Business Administration is advantageous.
• CISSP / CISM / CEH / CSSP (one of).
• SABSA and / or TOGAF qualification will be an advantage.
• Cloud certifications (Azure, GCP, AWS) will be an advantage.
• DevSecOps certifications will be an advantage.
• IA and responsible AI certifications will be an advantage.
• Other Architectural qualifications (ITIL, TMF, COBIT) will be an advantage.

Experience

• 3–5 years of relevant work experience in Information Technology (specifically security).
• Experience in designing and implementing federated Information security systems architecture.
• Experience in operational or design of Security Architecture and Infrastructure.
• Experience in Financial and ICT Sectors.
• Experience in managing and implementing large scale security projects.
• Experience working in Africa and Middle East and having a grasp of political, social, infrastructure and integrity challenges.
• Advanced working understanding of the information technology environment of a telecom company.

Functional Knowledge

• Knowledge of technical security disciplines, specifically around security architecture, engineering, and solution delivery.
• Knowledge and experience across security products, tools, and industry trends (e.g., Mobile Network Security, Hardware Configuration, Network Protocols, Networking Standards, Windows, Linux and Unix operating systems, Application Security, Data Security, generative and analytical AI models and safeguards, Application integration and Infrastructure Security, Security Frameworks (ISO27001, COBIT, NIST etc.), security attacks pathologies, wired and wireless security, and cyber laws and ethics).
• Security protocols, communication protocols, cryptography, authentication and authorisation across mobile networks and systems.
• Implementation of multi-factor authentication, single sign-on, identity management or related technologies.
• Working knowledge of current security risks, risk management, and assessments.
• Deep understanding of the MTN business and technology strategy.

Competencies

• Complex structures and operational and business performance management and development.
• Marketing best practices and trends.
• Financial, numeracy, analytical, data management.
• People Management (Leadership, Conflict Management, Stakeholder management, customer management).
• ICT industry and benchmarking practices.
• Dealing with complexity and ambiguity.

Behavioural Qualities

• Analytical, organised and methodical.
• Operationally astute, proactive, detail-oriented.
• Results driven team player.
• Culture / Values champion.

Other

• Regional and International Travel obligations.

Apply Before 10/21/2025