Maxime Bruneliere

Process Mining Technical Lead for a major European telecommunications group, owning end-to-end EMS delivery and value realization across business units, with direct Executive Committee sponsorship. Led multi-entity OCPM transformation initiatives, generating multi-million-euro annual value by remediating a global supplier master data repository across French entities and detecting vendor fraud patterns. Drove cross-functional alignment between IT, Finance, and Operations, supervising technical teams and ensuring measurable outcomes from data ingestion to executive reporting. Architected and oversaw advanced data use cases within Celonis EMS to accelerate decision-making and operational scalability. Owned the BigQuery-to-Celonis data layer, including table transfers, data model preparation, partitioning, clustering, and FinOps-driven query optimization to improve scalability, performance, and cloud cost efficiency. Industrialized transformation workflows with Dataform and contributed to Terraform-based environment standardization for BigQuery datasets and dev/prod separation.

Delivered data engineering services for a major French banking group classified as a Global Systemically Important Bank (G-SIB), supporting the implementation of Single Resolution Board (SRB) regulatory frameworks, including Valuation Data Set (VDS) and Minimum Bail-in Data Template (MBDT). Worked within an agile cross-functional team (PO, proxy PO, business analysts) to extract, transform and reconcile critical financial data from heterogeneous sources, including Oracle Exadata, multiple ERP systems, flat files and Excel-based inputs. Handled and standardized complex regulatory datasets covering receivables, debt securities, derivatives etc. ensuring data consistency, traceability and audit-readiness for resolution planning and supervisory requirements.

Delivered Celonis process mining analyses within an international agile team for a world-leading multinational aerospace corporation, supporting aircraft manufacturing operations in a SAP PP environment. Developed analytics to measure process adherence rates, perform cross-plant benchmarking, and demonstrate manufacturing process compliance to EASA, enabling audit-ready transparency for regulated aerospace operations.

- Lead Celonis Process Mining Expert for 2 years within a large-scale SAP Data Platform transformation for the world’s largest cosmetics group, working directly with CFO teams and Shared Services Center directors. Owned the end-to-end design and industrialization of near real-time global P2P analytics, covering 22 SAP systems, 153 legal entities and 13M invoices, with 400k+ open invoices continuously monitored. Delivered explainable ML models to predict late payments, automated invoice dispatching with direct Celonis–SAP GUI integration, and Internal Audit-grade analyses (cut-off risk, PO commitments, vendor master data compliance). Built group-level performance monitoring and benchmarking and identified €100k+ in duplicate invoice refunds. Business impact (6 months post roll-out): +10 pts pay-on-time for external suppliers, +20 pts for internal suppliers. Project KPIs, documentation and methodology formally certified by Internal Audit. - Contributed to a global finance and compliance transformation for a world-leading multinational food products corporation, delivering large-scale SAP-based as-is analyses across P2P, O2C, and R2R processes. - Designed and delivered advanced analytics solutions from scratch, including: • Journal Entry testing automation in SAP using Python, reducing manual effort from 16 hours to ~30 minutes per system. • Interpretable unsupervised ML models for journal entry anomaly detection, creating a new innovative analytics offering for KPMG and enabling deeper risk analysis for Finance Advisory and External Audit teams. Owned solution design, value proposition to top management, implementation, and supervision of junior consultants.

Sarbanes Oxley compliance in SAP environment for Refining & Chemicals business segment.

HR statistics and reporting with SAP Business Objects and Excel.

- VBA macros conception and maintenance - HR statistics and reporting with Excel

Dermocosmetology software improvements, with C++ and Visual Studio 2010.