Freelancer profile translated to English.
Back to original languageAbout Bocar
SAP Technical Architect / Basis Lead — 25 years of experience from SAP R/3 to S/4HANA. Expert in BASIS administration, COE operations, STMS/Revtrac transport management, GRC authorizations, and performance monitoring. Involved in critical environments for EDF, L'Oréal, GRDF, ORANO, and Saint-Gobain. Rare dual sector expertise: Retail, IS-U, Chemical, and Automotive. Mastery of S/4HANA migrations (Brownfield, Greenfield, System Conversion) and ZDO/nZDO techniques for minimized downtime.
English
Fluent
French
Native or bilingual
Can work on-site
Magny-le-Hongre (up to 50km), Paris (up to 50km)
Experience
- Saint-Gobain Distribution FranceSAP HANA Performance ExpertJanuary 2026 - April 2026 (3 months)Monitoring and advanced diagnostics of a critical SAP environment to ensure production stability.Analysis of high-volume SQL queries and long-running transactions without commits to identify root causes of performance degradations.Handling qRFC and SMQ2 ghost lock issues to ensure reliability of application processing and reduce technical blockages.Contribution to crisis management and root cause analysis to accelerate performance incident resolution.Impact analysis of NSE (Native Storage Extension) PoC performance and FDA (Fast Data Access) project conducted with SAP to reduce memory footprint, optimize infrastructure costs, and improve ABAP read/write query performance.Technologies: SAP ERP 6.0 on HANA, SAP HANA, NSE (Native Storage Extension), FDA (Fast Data Access), ST05, SM21, SM37, SMQ2, qRFC, OS: Unix/Linux
- EDF • · CCoE SAPSAP Technical Architect Expert SAP BASIS / HANA - Administration & ProjectsENERGY AND UTILITIESJanuary 2023 - December 2025 (2 years and 11 months)Analysis and optimization of SAP HANA performance to enhance the stability and efficiency of critical environments.Advanced support for SAP environments (S/4HANA, HANA, ECC 6.0, Oracle) with availability > 99.9% and a 30% reduction in response times.• Supporting projects on technical and BASIS aspects to secure architecture and operational choices.Support for S/4HANA and cloud trajectories in critical contexts.Strengthening SAP security and access controls via ACL, TLS, SNC to improve ISO 27001 compliance level.Technologies: SAP S/4HANA, SAP HANA, SAP ECC 6.0, Oracle, OS: Unix/Linux
- GRDFSAP Architect - S/4HANA Conversion, BASIS Administration & Project SupportJanuary 2021 - January 2022 (1 year)Study of S/4HANA Brownfield conversion, including prerequisite analysis, SAP Readiness Check, and project support to secure the migration path.Project support on BASIS/technical topics and contribution to the robustness of the existing system before transitioning to S/4HANA.Optimization of BW and ERP performance to improve environment stability.Technologies: ECC 6, BW, SAP HANA, OS: Unix/Linux
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Education
- DEUG in Computer ScienceUFR Sciences et Techniques de Rouen
- IT Systems DesignerGRETA centre de formation industrielle ParisAdministration Systèmes unix/Windows Administration Reseaux d'entreprise
Skill set
Categories
- Other