Manager, Solutions Architecture

Department: Information Technology

Level: 3M

Location: Kigali, Kigali

Posted: Jun 10, 2026

Deadline: Jun 18, 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 leading the design, documentation, and technical governance of enterprise-grade applications and platforms at MTN Rwanda. This role is the primary owner of architectural quality, ensuring every solution is scalable, secure, well-documented, and aligned to business strategy and the Ambition 2030 digital agenda.

The Manager, Solutions Architecture bridges business vision and technical execution, working across product, engineering, and operations to deliver customer-facing digital channels (USSD, web, mobile, APIs), internal operational systems, and revenue-generating digital products. A critical mandate is establishing deep, structured, and maintainable system documentation down to the lowest architectural level.

Key Performance Areas

• Architecture & System Design: Design scalable, secure, and high-performance solutions for customer digital channels, internal operational systems, and revenue-generating digital products.
• Define end-to-end system architecture covering application, integration, data, and infrastructure layers; produce high-level design (HLD) and low-level design (LLD) documentation.
• Define API contracts, integration patterns, and event-driven architectures; lead architecture review boards (ARBs) and technical design sessions; ensure architectural decisions are traceable from business requirement to implementation.
• Documentation & Governance (Critical Focus Area): Establish, enforce, and continuously improve architecture documentation standards.
• Ensure every solution includes component diagrams, sequence diagrams, deployment diagrams, data models, API specifications, and infrastructure specifications.
• Implement and maintain Architecture Decision Records (ADRs); maintain a centralised architecture repository accessible to all engineering squads; define documentation templates, review checklists, and quality gates for architectural artefacts; drive knowledge-sharing and architectural education across teams.
• Technology & Stack Leadership: Define backend architecture standards using Kotlin/Java (Spring Boot, reactive frameworks, microservices); guide frontend architecture (React, TypeScript); design database schemas and optimise PostgreSQL performance; define and enforce standards for REST API design, authentication (OAuth2, OpenID Connect, JWT), caching (Redis), and event-driven architecture (Kafka).
• Lead monolith-to-microservices modernisation initiatives.
• Ensure systems are cloud-ready and containerised (Docker, Kubernetes); define IaC standards (Terraform, Ansible). Telecom Domain Architecture.
• Design systems integrating with billing, CRM, provisioning, USSD/SMS gateways, payment gateways, and FinTech platforms.
• Ensure high availability and low latency for telecom-grade systems; implement observability best practices (structured logging, distributed tracing, metrics, alerting).
• Define DR and business continuity architecture for critical systems.
• Ensure compliance with RURA regulatory requirements and MTN Group standards.
• Work closely with Product Owners, Business Analysts, and Developers; mentor and coach developers and junior architects; conduct design reviews and code quality oversight.
• Provide technical leadership across multiple squads; facilitate architecture community of practice (CoP) sessions; conduct regular architecture capability assessments.
• Security & Compliance: Embed security-by-design principles; conduct threat modelling and architectural risk assessments; define RBAC and encryption standards.
• Ensure compliance with telecom regulatory and data protection requirements; own architectural compliance reviews against MTN Group information security policies.
• Innovation & Revenue Enablement: Identify and propose opportunities to build internally initiated digital revenue products; propose scalable architectures for new revenue streams, API monetization and partner integrations; research and recommend emerging technologies.
• Build and maintain a technology radar for MTN Rwanda IT.
• Prepares and submits monthly architecture progress reports to the Senior Manager, Architecture and Design.

Experience

• 4+ years of software engineering experience. 3+ years in solution or enterprise architecture roles.
• Proven experience designing distributed systems at scale. Deep knowledge of microservices and event-driven architecture.
• Experience with containerisation and orchestration (Docker, Kubernetes, OpenShift).
• Telecom industry experience is a strong advantage.

Education Background

• Bachelor’s or master’s degree in computer science, Software Engineering, or a related field.
• TOGAF 9 Certified or equivalent enterprise architecture certification required. Fluent in English.

How To Apply

All interested candidates are requested to apply through the MTN website and submit their updated curriculum vitae with copies of notified academic credentials no later than 18^th June 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/