Senior Specialist, Information Security Architect and Design

Department: Information Technology

Reports to: Senior Manager, Information Security

Location: Kigali, Rwanda

Posted: Jun 22, 2026

Deadline: Jun 30, 2026

Status: Open

About MTN

At MTN RwandaCell, we are not just an organization; we are purpose-led and value-driven. Understanding our people’s needs and aspirations is the key to creating work experiences that delight you daily at work. Our commitment to fostering an environment where every member of our Y’ello Family is heard, understood and empowered to live an inspired life is what sets us apart.

Our values keep us grounded and moving in the right direction. Most importantly, they keep us honest. It is not something we claim to be it is in our DNA.

As an organization, we are on a mission to create an exciting and rewarding place to work. We want our people to be themselves, thrive in a positive environment, and ignite their full potential. We believe in building a workplace founded on relationships and achieving a purpose greater than our own. This is the experience we want you to have with us.

Our commitments go beyond an organizational promise. Our leadership and managerial ethos involve meaningfully partnering with our employees, customers, and stakeholders with a vision to realize our shared goals.

We are delighted you are considering us as your career partner to make a mark in the world. We look forward to your application. Therefore, we are hiring a highly skilled and self-motivated candidate for the IT department position below, both internally and externally.

Mission/Core purpose of the Job

• Responsible for designing, defining and governing the information security architecture across MTN Rwanda’s network, IT, application, data and cloud landscape, ensuring security is embedded by design into all solutions, infrastructure and digital services.
•     Acts as the technical design authority on information security, translating business, threat and regulatory requirements into robust, scalable reference architectures, security standards, patterns and controls that protect the confidentiality, integrity and availability of information assets.
•     Reviews and guides solution and infrastructure designs for secure-by-design compliance, aligns local architecture with MTN Group security policies and frameworks, and drives continuous improvement of the organisation’s security posture against an evolving cyber-threat landscape, in line with the MTN R way of working.

Key Performance Areas

• Security Architecture Strategy & Roadmap: Define and maintain the information security architecture strategy, roadmap and target-state designs aligned to business strategy, MTN Group security frameworks and the evolving threat landscape.
• Reference Architectures, Patterns & Standards: Develop, maintain and govern security reference architectures, design patterns, blueprints and technical security standards for consistent reuse across the organisation.
• Secure-by-Design Solution Reviews: Review solution, application and infrastructure architectures for security; provide secure-by-design guidance, risk-based recommendations and architecture sign-off within mandate.
• Network & Infrastructure Security Architecture: Design and govern network, perimeter and infrastructure security, including segmentation, firewalls, IPS/IDS, secure remote access, micro-segmentation and zero-trust principles.
• Application & API Security Architecture: Define secure design standards for applications, microservices and APIs, embedding security into the SDLC and DevSecOps pipelines.
• Cloud Security Architecture: Design and assure security for public, private and hybrid cloud environments, including landing zones, configuration baselines and cloud-native controls.
• Identity & Access Management (IAM) Architecture: Architect IAM, privileged access (PAM) and authentication/authorisation models, including SSO, MFA and least-privilege design.
• Data Protection & Cryptography Architecture: Define data-protection, encryption, key-management/PKI and data-loss-prevention architectures in line with data classification and privacy requirements.
• Threat Modelling & Risk Assessment: Conduct threat modelling, security risk assessments and architecture risk reviews; recommend mitigating controls and track remediation.
• Security Controls & Tooling Design: Design and optimise security controls and tooling (SIEM, SOC, EDR/XDR, DLP, vulnerability management, WAF) and their integration into the architecture.
• Zero Trust & Defence-in-Depth: Drive adoption of zero-trust and defence-in-depth principles across the technology and information estate.

• Regulatory & Standards Compliance: Ensure architectures comply with ISO 27001, NIST, PCI-DSS, Rwanda data-protection law and MTN Group security policies; support audits and certifications.
• Security Architecture Governance & Assurance: Participate in architecture review boards and change governance; ensure designs are documented, approved, assured and audit ready.
• Emerging Technology & Threat Evaluation: Evaluate emerging technologies, threats and security solutions; advise on adoption, proofs-of-concept and architectural impact.
• Technical Advisory & Thought Leadership: Act as trusted security-architecture advisor to projects, enterprise architecture and engineering teams; provide expert guidance and mentoring.
• Incident & Vulnerability Architectural Support: Provide architectural input into major incident response, vulnerability remediation and post-incident hardening.
• Documentation & Knowledge Management: Maintain security architecture artefacts, standards, patterns and knowledge articles; promote knowledge sharing and capability uplift.
• Stakeholder, Vendor & Project Coordination: Coordinate with vendors, partners and project teams to ensure security requirements and designs are correctly implemented, tested and assured

Experience

• 5+ years in information/cyber security, with at least 3 years in security architecture and design.
• Experience designing security across network, application, cloud, IAM and data-protection domains.
• Familiarity with security frameworks and standards (ISO 27001, NIST CSF, SABSA, TOGAF, PCI-DSS, MITRE ATT&CK).
• Exposure to telecom, fintech or MoMo environments and to DevSecOps and cloud platforms is an advantage.

Education Background

• Bachelor’s degree in computer science, Information Technology, Information Security, Engineering or related field. Fluent in English.
• Security architecture/security certifications (e.g. CISSP, CISSP-ISSAP, SABSA, TOGAF, CCSP, CISM, CEH) are an advantage; a Master’s degree is advantageous.

How To Apply

All interested candidates are requested to apply through the MTN website and submit their updated curriculum vitae, along with copies of their notified academic credentials, no later than June 25, 2026. MTN Website portal: https://careers.mtn.co.rw/career

We strongly encourage applications from women and/or individuals with disabilities.

Note: Should you not hear from us within 14 (fourteen) days from the closing date of this advertisement, you may consider your application unsuccessful. If you encounter any issues when completing the application, reach out to Alozius.Mutamba@mtn.com (+250788319965)

At MTN Rwandacell Plc, we are committed to safeguarding your data privacy. For more information, visit our website to read our job applicants privacy notice that explains how we collect, use, disclose, and protect your data at https://www.mtn.co.rw/privacy-notice-for-job-applicants/