Active Jobs at MTN

Job Description

Mission/ Core purpose of the Job

Architect Carrier-Grade IPX, Signaling, Roaming and Messaging Platforms

• Provide leadership in end-to-end architecture design for IPX, Signaling, Roaming and Messaging Platforms, ensuring secure, scalable, and interoperable platforms that meet Tier-1 carrier standards.

Drive System Design & Solution Engineering

• Lead system-level design and solutioning for Signalling hub (STP/DRA), Signalling Firewalls (SS7, GTP FW), IPX transport, and related security components. Delivering optimized and resilient solutions aligned with global telecom protocols.

Plan & Design Future-Ready IPX Infrastructure

• Develop modular, future-proof architectures for IPX, Signaling, Roaming and Messaging Platforms, enabling seamless integration with 5G, IoT, and emerging technologies while supporting global roaming and messaging services.

Technology Roadmap & Migration Strategy

• Define a technology roadmap for IPX, Signaling, Roaming and Messaging Platforms evolution, including protocol upgrades, virtualization, and cloud-native deployments, aligned with industry trends and business growth objectives.

 Solutioning for Business Expansion & Monetization

• Translate business requirements into innovative technical solutions that optimize  IPX, Signaling, Roaming and Messaging Platforms performance, enhance security, and unlock new revenue streams through advanced interconnect and roaming services

Key Performance Areas:

The Role will be accountable to achieve the following objectives: 

• Develop and Evolve Planning Function
• Build and continuously enhance the Bayobab planning function to meet changing business needs, new technologies, and strategic projects
• Work closely with business teams to evolve Bayobab systems, ensuring alignment with goals for sales growth, customer experience, and profitability.
• Facilitate Technical Governance & Innovation - Lead governance processes in coordination with Bayobab and MTN Group stakeholders and senior management, driving future-focused planning for innovation and business transformation.
• Define Standards, Tools, and Roadmaps - Establish planning tools, methodologies, and standards for Roaming, Messaging, and Signaling platforms, including technology roadmaps for evolution and migration.
• Develop, Review and Validate Platform Designs - Ensure designs and functional requirements for Roaming, Messaging, and Signaling platforms meet technical, security, and business objectives.
• Align Technology with Business Strategy - Partner with business and technology leaders to ensure system architectures and solutions align with business goals and operational processes.
• Deliver Target Architecture - Define and implement a 3-year platform architecture roadmap, incorporating global technology trends and future-proof design principles.
• Budget and KPI Management - Maintain CAPEX/OPEX budgets within approved plans and ensure delivery against departmental KPIs aligned with company mission and customer satisfaction metrics.
• Support and Ensure Timely Rollout of Platforms - Oversee planning, rollout, and integration of Roaming, Messaging, and Signaling platforms, ensuring timely delivery and adherence to quality standards

Job Requirements:

Education:

• Minimum 4-year Academic Degree (B Eng. / BSc Degree preferred) 
• Relevant certification/accreditation/membership with professional body as required for role 

Experience:

• 10+ years of progressive leadership in architecture, planning, and design of carrier-grade platforms across diverse technologies and geographies. 
• Proven multi-vendor expertise with major Signaling, Roaming, and IPX vendors, ensuring interoperability and global standards compliance. 
• Extensive experience in implementation, integration, and operations of core telecom systems, including messaging, mobility, roaming, signaling, VAS, and security platforms. 
• Strong knowledge of end-to-end network architecture, including GSM/LTE/5G, IPX, signaling (STPs, DRA, DEA), and connectivity at solution level. 
• Strong knowledge and understating of GSMA standards Signaling, roaming architecture.
• Expert in signaling protocols and standards: CAMEL, GTP, DIAMETER, SIP, RTP, MEGACO, SCCP, GSM MAP, SS7/SIGTRAN/ISUP. 
• Hands-on experience with roaming hubs, messaging platforms, signaling systems, and value-added services, including SMS/SMPP (A2P, P2A, P2P, RCS). 
• Solid understanding of virtualization (VNFs), containerization (CNFs), APIs, and cloud-native architectures for telecom platforms. 
• Knowledge of IP networking (CCNA certified), architecture blueprints, and implementation methodologies. 
• Familiarity with IoT platforms, roaming VAS, and open connectivity hubs, including experience with Data Clearing Houses. 
• Proficient in billing systems, CDRs, TAP flows, and related financial processes for roaming and messaging services. 
• Strong technical foundation in UNIX-Solaris, AIX, HPUX, Linux, Windows, and cloud technologies. 
• Functional expertise in voice core, unified communications, SIP/IP telephony, and security frameworks. 
• Skilled in troubleshooting connectivity and service issues, ensuring high availability and performance. 
• Demonstrated leadership and organizational skills, with a proven track record in managing diverse teams across cultures and geographies. 
• Excellent analytical, problem-solving, and communication skills, with ability to present complex solutions clearly to stakeholders. 
• Experienced in budget management (CAPEX/OPEX), KPI definition, and governance processes. 
• Managerial experience of 3+ years, including 2+ years in telecom sector, driving strategic initiatives and technology evolution.

Competencies:

• Implementers, Decisive Problem Solver, Best Practice Value Creator 
• Culture and Change Champion, Guiding People Manager, Relationship Builder 
• Results Achiever, Operationally Astute 
• Detailed knowledge on the international telecommunication infrastructure industry regarding latest industry trends and competitive landscape within the Bayobab footprint 
• Strong analytical skills to be able to execute market analysis, competitor landscape reports and customer monitoring - Understanding the connectivity infrastructure wholesales landscape with a focus of emerging markets
• Ensures execution of strategies through creating and implementing tactical plans for others to follow
• Encourages commercial innovation and continuous improvement for systems, processes, products and service offerings
• Role models ethical practices by living the MTN values and vital behaviours for others to follow
• Builds relationships across the business in order to influence decision-makers and build team credibility
• Produces sustainable divisional results through ethical practices
• Sets priorities, plans, organizes and co-ordinates the work of others

Supervisory / Leadership / Managerial Tasks: 

• Accountable for a customer centric culture.
• Employee relations and collaborative teamwork.
• Build professionalism, loyalty, and commitment to the organization. 
• Communicate actively and effectively resolving any potential conflicts that may arise.
• Living the MTN Brand – changing and influence employees’ behaviour. 
• Manage conflict proactively and monitor disciplinary and grievance actions and trends 
• Team learning and knowledge sharing within team; appropriate strategic timing for people up-skilling in line with newly developed technologies and strategic practices

Other: 

• Regional and international travel (if required)

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Job Description

Mission/ Core Purpose of the Job:

• The Manager: Cyber Defence is responsible for overseeing the Cyber Defence operations. The role engages with key business and operational partners in managing the detection, response, and remediation of cyber related attacks on Bayobab’s network and its systems while contributing and delivering services and projects that support the strategy, priorities and objectives of the organisation.
• The incumbent will be responsible for continuously performing specialised threat hunting and taking the lead during incident investigation to drive speedy resolution to minimise potential data leakage and financial loss to Bayobab.

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

Strategy Development and Implementation 

• Provide reports and analysis to support and contribute to the development of the functional strategy in line with the overarching business goals
• Ensure accurate and timely reporting to enable the regular review of the functional strategy, roadmap and performance to ensure its alignment with the changing dynamics of the internal and external ecosystem
• Manage Security Operations, third party services and Bayobab Group cyber defence services, ensure SLAs are met and monthly performance meetings are taking place 
• Research and keep abreast on cyber-attacks and threats in order to continuously protect Bayobab against new types of attacks.
• Ensure incident identification, assessment, quantification, reporting, communication, and mitigation while confirming SLA compliance, process adherence, and process improvisation to achieve operational objectives
• Perform threat management, threat modelling, identify threat vectors and develop use cases for security monitoring, maintaining working knowledge of cyber threat actor tactics and techniques
• Integrate standard and non-standard logs and review/ revise the processes to strengthen cyber security operations
• Lead efforts and participate in audits covering cyber defence
• Assess and develop cyber resilience roadmaps to improve Bayobab’s security posture by identifying security gaps to manage existing and emerging security risks
• Implement cyber threat and vulnerability management strategies and operational requirements (Cyber Defence) 
• Assist to drive strategic alignment of the Group cyber incident response operations • Develop a standardised set of responses to cyber security breaches with responses varying according to the level of cybersecurity breaches
• Perform specialist level response to security incidents and lead Technology teams during a cyber-incident 
• Revise and develop processes to strengthen the current Security Operations Framework (where required), review policies and highlight the challenges in managing SLAs
• Provide vulnerability analysis specific input to Bayobab’s information security strategy 
• Develop, integrate and monitor detailed Bayobab business plans for vulnerability analysis in accordance with the frameworks, goals and targets agreed
• Organise and execute periodic vulnerability assessments and Pen Tests by applying knowledge of scanning tools and emerging risks
• Work with Group Cyber Defence to coordinate scans with all relevant Bayobab verticals, including the distribution of notices or notifications, and the management of logistical requirements
• Lead process optimisation, enhancement, efficiency and continuous improvement on initiatives and programmes within threat and vulnerability management, as well as benchmark and analyse trends to optimise internal processes
• Track and prioritize the remediation of vulnerabilities, according to their level of criticality and their potential risk to the business of the affected asset. 
• Report on the status of the resolution of vulnerabilities on a period basis 
• Analyse and identify vulnerability analysis trends across the organisation and compile consolidated reports on the status of vulnerability analysis for regular updates to management 
• Consolidate reports, dashboards, metrics and internal operations and present to Management 
• Transfer knowledge of methodologies, processes and tools to relevant stakeholders (as and when required) • Become the “go-to” specialist on all cyber resilience matters

Strategic Meetings 

• Set up / participate in ad-hoc operational meetings 
• Participate and provide input in strategic meetings • Perform evaluation baseline of key performance indicators (KPIs) 
• Request for relevant budget for internal projects and new initiatives
• Facilitate preparation of proposals on change initiatives, policies, and procedures

Escalations 

• Manage and resolve escalations that have impact on critical path of service delivery
• Escalate issues that will result in severe time, scope, productivity, and cost or resource or reputational impact 
• Manage and provide solutions to escalations that have multiple processes / functions impact on critical path of service delivery 
• Manage and provide solutions through stakeholder consultation where relevant 

Function Tactical 

• Review all projects initiated (internal or global)
• Input on objectives, targets, and budgets for sub-function as applicable 
• Action key risks, issues and dependencies and set mitigation actions 
• Facilitate in sign-off / making decisions regarding tactical changes 

Reporting 

• Report on a periodic basis on progress made within the function and in accordance with the measurement metrics set by the organisation 
• Report on an ad hoc basis on specific projects, as required

Job Requirements:

Education: 

• 4-year Information Technology/ Information Systems/ Business Science (or related) Degree 
• CISM/ CISSP/ CEH/ GCIH/ CompTIA Security+/CompTIA PenTest+ certification 
• Other information security certifications or qualifications advantageous 

Experience: 

• 3 - 5 years of relevant work experience (similar to the role) 
• Experience working in a medium to large organization 
• Worked across diverse cultures and geographies; Pan Africa experience is advantageous 

Competencies: 

• Experience in large scale information security projects /vendor relationships 
• In-depth knowledge and experience of security concepts such as cyber-attacks and techniques, threat vectors, threat hunting, threat intelligence (tools and sources), EDR,UEBA, CASBs, PAM, SDP, incident and vulnerability management as well as TTP’s (tactics, techniques and procedures).
•  Experience in security device management and SIEM 
• Experience in threat management and continuous assessment 
• Knowledge of various operating systems including but not limited to Windows, Linux, Unix 
• Familiarity and knowledge of security frameworks (NIST CSF, CIS, ISO) 
• Proficient in report writing, dashboards and documentation 
• Understanding of current information security challenges and solutions; industry trends Skills 
• Strong Analytics/data interpretation and presentation skills 
• Detailed oriented problem solver.
• Dealing with ambiguity and complexity. 
• Decision Making. 
• Project Management.
• People Management.
• Excellent written, oral and presentation skills.
• Strategic thinking 
• Conflict management 
• Ability to cope with stress 
• Ability to exercise patience 
• Ability to deal with change in fast-paced environment 

Behavioural Qualities 

• Proactive 
• Adaptable 
• Complete candor 
• Culturally aware 
• Emotional Maturity 
• Innovation 
• Integrity 
• Leadership 
• Team Player