Pelagia Tambudze

• Mapped enterprise business and solution capabilities into future‑state architectures to support cross‑domain planning and stakeholder alignment.
• Defined transformation requirements and produced To‑Be architectures with transition roadmaps to address identified gaps.
• Developed and presented enterprise‑level solution architectures that met business, technical, and integration requirements.
• Ensured architectural quality and compliance by defining and applying governance policies, patterns, frameworks, and standards.
• Reviewed high‑level designs and technical specifications to ensure completeness, traceability, and alignment with architecture intent.
• Maintained end‑to‑end architecture models by consolidating project‑level designs into the enterprise repository.
• Assessed and validated deliverables from internal teams and external vendors to ensure readiness and technical integrity.
• Led design and delivery activities across multiple third‑party integrators, ensuring coordinated and timely execution.
• Provided technical leadership and guidance under enterprise governance frameworks to support project delivery.
• Architected and delivered secure, scalable enterprise solutions aligned with strategic business goals.
• Led cross‑functional teams to implement systems that improved operational resilience and performance.
• Produced architectural documentation and visual artefacts to clearly communicate design intent.
• Collaborated with internal and external stakeholders to ensure seamless solution delivery across domains.
• Contributed to the architectural toolkit and promoted best practices to improve consistency and delivery quality.
• Conducted cross‑domain technical assessments to identify integration risks and propose scalable patterns.
• Analysed stakeholder needs and prototyped alternative solution approaches to reduce delivery risk and support decision‑making.

ACHIEVEMENTS

• Strengthened architecture governance processes, improving traceability and decision visibility.
• Reduced rework by improving High‑Level Design (HLD) quality and review practices.
• Delivered scalable, cloud‑ready solution designs aligned with future business needs.
• Accelerated delivery by creating and promoting reusable architectural patterns.
• Improved cross‑team collaboration, supporting smoother solution adoption and implementation.

• Designed end‑to‑end product and integration architectures for digital services, enabling faster launches and operational readiness.
• Defined and communicated project architectures aligned with enterprise direction to ensure consistent delivery across programmes.
• Maintained architecture integrity across digital transformation initiatives, reducing deployment risks and rework.
• Specified full‑lifecycle BSS/OSS solutions to streamline implementation, handover, and operational support.
• Conducted technical impact assessments across network, core, BSS, and digital domains to support deployment planning and mitigation.
• Consolidated design inputs and guided implementation teams to achieve stable, production‑ready releases.
• Optimised existing platform capabilities to accelerate solution design and reduce custom development.
• Built and maintained reusable technical patterns and knowledge artefacts to improve delivery speed and minimise integration issues.
• Partnered with product managers, enterprise architects, operations teams, and vendors to align technical and business priorities.
• Engaged and coordinated with external vendors to assess third‑party impacts and ensure platform compatibility.
• Collaborated with OpCo technical teams to document As‑Is architectures and integration landscapes for accurate solution planning.
• Developed integration designs based on OpCo baselines and target architectures to simplify migration and reduce complexity.
• Created modular API gateway designs to accelerate partner onboarding and lower integration effort.
• Mapped cross‑domain dependencies and performed gap analyses to guide remediation and reduce deployment risk.
• Reviewed technical specifications and validated interface contracts to ensure alignment and smooth end‑to‑end testing.
• Mentored junior architects and engineers on integration design and troubleshooting, strengthening team capability.

ACHIEVEMENTS

• Enabled faster rollout of solutions by developing and promoting reusable architectural patterns.
• Strengthened cross‑team alignment, reducing delivery delays and improving coordination.
• Improved operational readiness by consolidating design inputs and clarifying dependencies early.
• Enhanced overall product quality through early technical assessments and risk identification.

• Assessed stakeholder needs and documented clear business and system requirements to guide solution selection and delivery.
• Facilitated workshops and needs‑identification sessions to prioritise requirements and align outcomes with strategic goals.
• Modelled and redesigned business processes to reduce inefficiencies, clarify variations, and improve operational flow.
• Conducted process and system gap analyses, recommending corrective actions to support smoother operations.
• Synthesised complex requirements into coherent process maps, solution concepts, and project documentation to support decision‑making.
• Collaborated with developers to translate requirements into functional specifications and workable solutions.
• Guided QA teams by defining test scenarios and acceptance criteria to ensure full coverage of business requirements.
• Led organisational change efforts by coordinating stakeholders and preparing communication and training plans.
• Built strong cross‑departmental stakeholder partnerships to support rollout, adoption, and long‑term solution usability.
• Designed initiatives to improve user adoption and customer satisfaction with implemented solutions.
• Identified improvement opportunities and provided actionable recommendations for operational enhancement.
• Negotiated stakeholder expectations to balance competing needs and gain agreement on deliverables.
• Conducted root‑cause analysis on cross‑departmental delays and introduced targeted workflow improvements that strengthened handoff efficiency.
• Facilitated alignment sessions to resolve competing priorities, producing clear acceptance criteria and accelerating project decision‑making.

ACHIEVEMENTS

• Improved operational efficiency through targeted process redesign.
• Reduced ambiguity by applying strong business analysis and requirements‑gathering practices.
• Strengthened user adoption through clear communication and stakeholder engagement.
• Supported digital transformation initiatives by aligning processes, requirements, and delivery activities.

• Built and maintained strong technical relationships with clients, resolving issues promptly and improving customer satisfaction.
• Collaborated with cross‑functional teams to deliver solutions that met business goals and produced measurable operational improvements.
• Oversaw service delivery against SLAs and KPIs to ensure consistent and reliable operational performance.
• Identified service improvement opportunities and implemented changes that increased efficiency and service quality.
• Allocated and managed staff and technical resources to meet project requirements and delivery timelines.
• Resolved service incidents quickly to minimise downtime and maintain customer confidence.
• Developed and executed service delivery strategies aligned with organisational objectives to enhance operational outcomes.
• Monitored service delivery budgets and made cost‑effective decisions to remain within financial targets.
• Facilitated communication between customers and delivery teams to ensure clear expectations and project transparency.
• Provided technical leadership throughout project lifecycles, guiding teams from planning through deployment.
• Gathered, analysed, and translated functional and non‑functional requirements into clear technical specifications.
• Prepared and delivered service performance reports demonstrating operational results and improvement areas.
• Identified and mitigated risks affecting service continuity to maintain stable operations and customer trust.
• Designed and implemented end‑to‑end OSS/BSS solutions with seamless integration into existing environments.
• Managed service transition to operations, overseeing planning, testing, and training to ensure smooth go‑lives.
• Led multi‑disciplinary war rooms during major incidents, coordinating rapid diagnostics and fixes to restore services quickly.
• Introduced structured acceptance and validation checklists, improving deployment quality and reducing post‑launch issues.
• Championed a platform modernisation roadmap aligning technology upgrades with business priorities to support scalable growth.
• Audited operational workflows, identified bottlenecks, and implemented targeted improvements that reduced incident recurrence.

ACHIEVEMENTS

• Improved SLA performance through proactive service management and issue resolution.
• Boosted customer satisfaction by strengthening technical support and client engagement.
• Reduced operational costs through effective resource planning and optimisation.
• Delivered multiple OSS/BSS solutions from design through launch, ensuring stable go‑lives.
• Developed and implemented a clear technical strategy and playbook to guide consistent delivery and operational excellence.

• Delivered new mobile, broadband, and digital services onto the charging and billing platforms, ensuring compliant deployment and strong service availability for customers.
• Configured charging rules and tariffs across data, voice, SMS, prepaid and postpaid plans to support accurate billing, revenue assurance, and regulatory compliance.
• Performed day‑to‑day administration and maintenance of real‑time charging systems to uphold SLA uptime and minimise customer‑impacting incidents.
• Applied 3GPP Diameter and online charging standards to ensure accuracy and consistency across converged network services.
• Led troubleshooting and root‑cause analysis for charging and billing issues, reducing repeat faults and improving customer experience.
• Integrated PCRF/PCF, PCEF, IMS and third‑party platforms into charging systems to enable rollout of new plans, bundles, and digital experiences.
• Delivered upgrades and feature enhancements to OCS, IN, VAS and mediation layers to maintain platform stability and support new product launches.
• Worked closely with vendors, network operations, and IT delivery teams to resolve complex escalations and ensure timely project milestones.
• Built automation scripts and operational tools to reduce manual processes and improve turnaround time for service deployments.
• Monitored service availability and system performance, proactively addressing risks to ensure consistent customer experience.
• Executed postpaid billing cycles, produced financial reconciliation reports, and supported revenue assurance teams.
• Managed charging and VAS application go‑lives, including planning, testing, cutover, and transition to operations.
• Conducted feasibility and impact assessments for new telco products and propositions to support accurate scoping and delivery planning.
• Produced detailed interface specifications, acceptance criteria and runbooks to standardise deployment processes and improve support readiness.
• Led cross‑functional war rooms for major incidents, coordinating rapid diagnostics and recovery across engineering, network, and vendor teams.
• Designed modular BSS/OSS integration architectures to reduce delivery timelines and simplify onboarding of new services and partners.
• Assessed legacy charging and mediation platforms to recommend phased migration paths aligned with modernisation goals (API‑first, cloud‑ready, modular design).
• Facilitated stakeholder workshops with product, network, and engineering teams to accelerate decisions and align technical design with business priorities.
• Delivered proofs‑of‑concept to validate interoperability across BSS/OSS components, ensuring stable rollout in production.
• Mentored junior engineers and architects in charging systems, integration best practices, debugging, and incident management.
• Championed continuous improvement initiatives that reduced operational effort, strengthened service stability, and improved customer outcomes.

ACHIEVEMENTS

• Improved charging accuracy, reducing revenue leakage across prepaid and postpaid services.
• Increased platform uptime by introducing automation that minimised manual interventions.
• Integrated multiple network and service platforms into the charging system to support new product launches.
• Reduced incident resolution time by strengthening root‑cause analysis practices and implementing targeted fixes.

• Developed and documented quality standards and release criteria to improve product readiness and reduce post‑release issues.
• Coordinated with vendors and internal teams to resolve design challenges and complete system upgrades within agreed timelines.
• Implemented standardised installation and maintenance procedures for integration platform applications to improve deployment consistency.
• Performed troubleshooting and incident response to restore services and apply patches within SLA targets.
• Built integration flows between new and legacy systems to support reliable data exchange across the business.
• Implemented new billing products and services to support commercial launches and ensure ongoing service availability.
• Executed interconnect, contract subscriber, and roaming billing cycles to ensure accurate month‑end revenue recognition.
• Configured mediation workflows to capture and process usage data for billing and reporting.
• Integrated mediation systems with network nodes, reducing reconciliation effort and improving data completeness.
• Managed recharge PIN inventory and voucher lifecycle (generation, activation, deactivation, purging) to protect revenue integrity.
• Provided back‑office support, resolving recharging and VAS issues within SLA timeframes to maintain customer service levels.
• Performed revenue assurance, QA, and compliance tasks for recharging and VAS services to safeguard billing accuracy.
• Coordinated implementation tasks for VAS and recharge projects to ensure operational readiness and on‑time delivery.
• Validated new and updated VAS services to ensure compliance with policies and correct charging.
• Monitored VAS application health, reconciled records, and validated tariffs to maintain accurate charging and reliability.
• Delivered user training to improve operational capability and reduce support escalations.
• Introduced automated billing verification checkpoints to detect configuration errors early and reduce manual audit effort.
• Analysed mediation logs and discrepancies to identify root causes, leading to targeted fixes and improved reconciliation accuracy.
• Designed phased migration plans to move legacy charging processes to a centralised platform for improved scalability.

ACHIEVEMENTS

• Improved billing accuracy by strengthening validation processes and configuration controls.
• Optimised mediation flows to ensure reliable, high‑quality usage data for billing and reporting.
• Enhanced VAS platform reliability through proactive monitoring and issue resolution.
• Accelerated onboarding of new services by streamlining integration and deployment steps.