Takunda Guyo

Results-driven SAP Basis & HANA Consultant with 7+ years of end-to-end experience implementing SAP ECC 6.0, HANA and S/4HANA landscapes across on-premises, private cloud (Azure/AWS), and hybrid environments. Deep expertise in RISE with SAP, S/4HANA technical conversions (ECC to S/4HANA), SAP Business One, HANA High Availability/Disaster Recovery, performance optimization, TMS administration, kernel upgrades, SSL/SSO configuration, and SAP Sizing. Proven track record of leading large-scale greenfield and brownfield implementations, OS/DB migrations using DMO, and delivering zero-dataloss cutovers within strict downtime windows.

Adept at SLT, Solution Manager, Fiori, SAP Data Services integration, and SQL scripting on the HANA platform.

Senior SAP Basis & Cloud Consultant - Tano Digital Solutions - Zimbabwe

(2023-02)

• Led technical planning, installation, and configuration of SAP S/4HANA 2023 Private Cloud landscapes on Azure and AWS under the RISE with SAP framework directly mapping to JD requirements for S/4HANA installations, configurations, and upgrades.
• Executed OS/DB migrations using SUM with DMO (one-step migration tool) for ECC-to-S/4HANA conversions, meeting strict downtime windows.
• Administered TMS including transport strategy design, transport route configuration, and management of change requests across DEV/QAS/PRD landscapes.
• Installed SSL certificates and configured SSO (certificate-based and RFC Trusted) between SAP Fiori Front-End Servers and S/4HANA back-end systems.
• Designed and implemented HA configurations using clustering technologies; planned and executed semi-annual DR drills, reducing RTO by 25%.
• Conducted HANA performance optimization: tuned global.ini parameters, work process profiles, and memory settings achieving a 25% reduction in nightly batch processing times.
• Performed SAP Sizing using SAP Quick Sizer and T-shirt sizing methodologies to define CPU, RAM, and IOPS specifications for new landscapes.
• Configured SLT (Landscape Transformation) for real-time data replication and managed SAP Data Services integration with remote systems.
• Implemented operation modes, maintained profile parameters, and managed background job scheduling across production landscapes.
• Enforced SAP security standards including audit logging, parameter hardening, and PFCG role/profile configuration to meet compliance requirements.

SAP S/4HANA 2023 Private Cloud Conversion - Zimbabwe Revenue Authority (ZIMRA)

(2024-11)

• Led end-to-end technical conversion of SAP ECC 6.0 EHP5 to S/4HANA 2023 Private Cloud on AWS using DMO for a single-step OS/DB migration and S/4HANA conversion.
• Designed target AWS architecture: 3-tier S/4HANA landscape with hardware sizing, VPN/ExpressRoute connectivity, and site-to-site security.
• Executed System Readiness Checks (simplification items, custom code analysis) and HANA DBA procedures for long-term system stability.
• Configured Fiori Launchpad activated OData services and business catalogs for modernized UX post-conversion.

SAP S/4HANA 2023 Private Cloud Greenfield - National Foods Pvt Ltd - Azure

(2023-01 - 2024-09)

• Coordinated with Azure infrastructure/network teams on patching, OS-level updates, and Azure-specific configurations (Availability Sets, Load Balancers, Network Security Groups).
• Executed cutover activities, including system checks, transport freeze, and go-live technical readiness.
• Managed transport management system (TMS) configuration and coordinated transport strategy across the project lifecycle (realization to go-live).
• Configured user administration, roles, and authorizations in coordination with the security team.
• Provided hypercare post-go-live support, resolving Basis-related incidents and stabilizing the landscape.
• Documented Basis architecture, SOPs, and landscape configuration for knowledge transfer.

SAP S/4HANA 2023 On-Premises Greenfield - GEO Pomona Zimbabwe

(2023-12 - 2024-10)

• Sized and designed landscapes on-premises system (DEV, QAS, PRD) in coordination with infrastructure/hardware vendors, including HANA DB and OS sizing.
• Installed and configured S/4HANA 2023 application servers (ASCS/PAS/AAS) and HANA database on virtualized on-premises servers.
• Managed client strategy, client copies, and system refresh activities across DEV/QAS/PRD.
• Managed the Transport Management System (TMS) and coordinated transport strategy through realization, testing, and go-live phases.
• Executed cutover activities including pre-go-live system checks, transport freeze, and technical go-live readiness sign-off.
• Provided hypercare/post-go-live support, resolving Basis incidents and stabilizing system performance.
• Documented Basis architecture, technical configuration, and SOPs for client knowledge transfer and support handover.

SAP S/4HANA 2020 On-Premises Greenfield - POTRAZ Zimbabwe

(2023-02 - 2023-12)

• Installed S/4HANA 2020 app servers (ASCS/PAS/AAS) and HANA DB using SAP Software Provisioning Manager (SWPM).
• Led Basis workstream for greenfield S/4HANA 2020 on-premises implementation from infrastructure setup through hypercare.
• Designed and sized 3-tier on-premises landscape (DEV/QAS/PRD) including HANA DB and OS-level sizing.
• Configured Fiori Front-End Server, SAP Gateway, RFC connectivity, and transport routes (STMS).
• Managed TMS transport strategy across realization, testing, and go-live phases.
• Executed cutover activities and provided hypercare/post-go-live Basis support.
• Applied kernel upgrades, support packages, and HANA revision/patch upgrades.

SAP Basis Consultant - Twenty-Third Century Systems - Zimbabwe

(2019-05 - 2022-12)

• Performed daily Basis operations across 5+ SAP systems (ECC, S/4HANA, BW, Solution Manager), maintaining 99.7% system uptime.
• Supported OS/DB migration of two large ECC systems from Oracle to SAP HANA, including BRTOOLS-based space management on Oracle prior to migration.
• Managed TMS configuration and change request administration across DEV/QAS/PRD; supported senior consultants on system copies, client creation, and landscape builds.
• Authored technical specifications, runbooks, and DR procedures; configured technical monitoring via Solution Manager and HANA Cockpit.

SAP ECC 6.0 EHP8 OS/DB Migration & Upgrade - Zimbabwe National Road Administration

(2021-02 - 2021-12)

• Mastered SUM with DMO toolset; executed single-step OS/DB migration (Oracle to HANA 2.0) and EHP upgrade for three landscapes simultaneously.
• Managed BRTOOLS-based space management and pre-migration table archiving/compression to optimize migration timeline and minimize downtime.
• Resolved critical technical issues: inconsistent repository objects, missing OS libraries, and HANA 2.0 connectivity failures during migration.
• Configured HANA backup revisions, kernel updates, and post-migration secure connections; set up HANA Studio/Cockpit monitoring for hypercare.

SAP S/4HANA 1709 On-Premises Greenfield - CMED Zimbabwe

(2019-02 - 2021-01)

• Participated in blueprint, sizing, and greenfield installation of S/4HANA 1709 with embedded Fiori; performed client creation, logical system naming, and initial system checks.
• Administered TMS transport routes; monitored performance with ST03N, ST04, and DBA Cockpit; configured HANA backups, recovery, and DR setup.
• Collaborated with functional teams on PFCG roles/profiles ensuring SOD compliance; provided 24/7 hypercare post Go-Live.

Master's - Strategic Management & Corporate Governance - Midlands State University (MSU)

Bachelor of Business Studies & Computing Science (Honors) - Business Studies & Computing Science - University of Zimbabwe (UZ) (2016-09)