Montassar F.-Workday Project Manager
Check rate
Experience
Workday Project Manager
Orisha
- Workday deployment across 6 countries (2,400 employees).
- Post go-live hypercare support for Core HR, Compensation, and Talent modules.
- Data Migration: Managed EIB data loads for newly acquired subsidiaries.
- Integrations: Managed interfaces Workday/Databricks, Workday/360Learning, and Workday/ADP Decidium.
Workday Project Manager
Monnoyeur
- Led tests phase within global Workday deployment across 23 countries (9,000 employees): Functional scope: HCM Core, Compensation, Talent, Recruiting, and Learning.
- Led Data migration & Integrations: Workday / Active Directory, 360Learning, and Training Orchestra.
SAP SuccessFactors Project Manager
LVMH Group
- Managed SAP SuccessFactors Core HR deployments across global LVMH Maisons (213,000 employees; EMEA, US, APAC regions).
- Designed roadmap and led data migration and integrations governance: scoping, design, build/UAT, deployment, hypercare, and run operations.
- Co-designed integration ecosystem surrounding SuccessFactors (OKTA IAM, Talend, Mulesoft, Control-M/ MFT, Payroll/HR/Finance systems).
- Managed cross-functional technical teams: Data Management, Functional Consultants, and Middleware Developers (Mulesoft, Talend, Control-M, SAP CPI).
- Implemented centralized integrations monitoring tools; organized and led Kick-off meetings, Project Committees, and Steering Committees.
- Coordinated internal IT/HR teams and external vendors; evaluated impacts on cybersecurity, architecture, and data governance; delivered executive reporting.
HRIS Proxy Product Owner
Natixis
- Led 'Capla' Workforce Planning tool development project (France / Portugal).
- Scoped build and run phases with IT and HR teams
- Drafted functional specifications for the engineering team.
- Led data migration activities and Power BI dashboards developments.
HR Transformation - HRIS Project Manager
Deloitte
- Pierre Fabre - Workday Project Manager - Data & Integrations (10,000 employees worldwide): Defined Data Migration strategy, led mapping & conversion workshops, designed interfaces with HR Access, ADP, Active Directory, LinkedIn, and Navision Established Data Integration architecture (Workday PECI connector + localized custom fields).
- Natixis - HRIS Proxy Product Owner:
- Led 'Capla' Workforce Planning tool development project (France / Portugal).
- Scoped build and run phases with IT and HR teams
- Drafted functional specifications for the engineering team.
- Led data migration activities and Power BI dashboards developments.
Workday Project Manager - Data & Integrations
Pierre Fabre
(10,000 employees worldwide)
- Defined Data Migration strategy, led mapping & conversion workshops, designed interfaces with HR Access, ADP, Active Directory, LinkedIn, and Navision
- Established Data Integration architecture (Workday PECI connector + localized custom fields).
Workday Project Manager
Devoteam
Workday deployment (11,000 employees; France, Europe, Middle East).
- Data Migration: Led preparation of Workbooks, DGW, and EIB data load.
- Integrations Management: Led Workday interfaces with Google AD, Unit4, Aramis Finance, Salesforce, Whoz, and SmartRecruiters; wrote specifications for Mulesoft developments and conducted integration workshops for new subsidiaries.
Workday Data Migration Lead
Eiffage
(55,000 employees)
- Led legacy Data Migration from Arcole RH to Workday HCM and ADP GXP (DGW files, EIB loads)
- Secured Workday / ADP GXP data interface
HRIS Senior Consultant (Workday & HR Access)
HR Direct
- Eiffage (55,000 employees) - Workday Data Migration Lead:
- Led legacy Data Migration from Arcole RH to Workday HCM and ADP GXP (DGW files, EIB loads)
- Secured Workday / ADP GXP data flow.
- Inria - HR Access: Personnel administration, recruitment, and Data Migration from Astre-RH.
- Crédit Agricole - HR Access Run: Managed payroll, personnel, talent, workflows, and time management modules; led system migrations from Talentsoft and to Syfadis.
HR Access Run
Crédit Agricole
- Managed payroll, personnel administration, talent, workflows, and time management modules
- Led system migrations from HR Access and to Syfadis.
HRIS Consultant (HR Access)
Advyteam
- Application Maintenance & Support (AMS) for DCNS (Naval Group).
- Payroll & Training implementation and support for CNSS Morocco.
- Functional support for Advyteam regional teams (France, Morocco, Tunisia) on Accretio SaaS HR solution.
HRIS Consultant (HR Access)
Sopra HR
- Configured and customized HR Access solutions (standard and custom code).
- Managed system implementation and AMS projects (corrective and evolutionary maintenance).
- Analyzed business requirements (Core HR, Recruitment, Learning, Talent) and led steering committees.
- Executed data migration, reporting, maintenance, and key-user training.
Clients served: BNP Paribas, Louis Vuitton, Orange, OXIA, France24, MAPA, CHWAPI, ENTMV, Zitouna Bank.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Banking and Finance, Information Technology, Fashion, Government and Administration, Construction, and Healthcare.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Project Management, Human Resources, Business Intelligence, and Product Development.
Summary
HRIS Project Manager with 16 years of experience in HR Information Systems, specialized in Workday HCM deployments. Proven track record leading Core HR, Compensation, Talent, Recruitment, and Learning programs for large multinational corporations (LVMH - 213,000 employees; Eiffage - 55,000; Monnoyeur - 9,000 employees), with deep expertise in data migration and integrations architectures. Acts as a key liaison between HR, IT, software vendors, and Executive Leadership: project governance, planning, risk management, and budget control in complex, multicultural environments.
Skills
- Hris / Hcm Solutions: Workday Hcm, Sap Successfactors, Hr Access
- Technologies: Mulesoft, Workday Eib Integrations, Scpi, Talend Etl, Control-M/Mft, Okta Iam/Iag, Microsoft Power Bi
- Hr Functional Domains: Hcm Core Hr, Organization Management, Payroll & Absences, Workforce Planning, Talent, Recruiting, Learning
- Technical Environments: Cobol/Pacbase, C, C++, Sql, Pl/Sql, Windows/Sql Server, Unix-Linux/Oracle Sql, Mvs/Db2
- Languages: English (Fluent), French (Bilingual), Arabic (Bilingual), German (Elementary)
Languages
Education
High Institute of Applied Sciences and Technology
Master's Degree · Software Engineering
High Institute of Applied Sciences and Technology
Associate Degree · Electronics
Statistics
Experience
Global experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Montassar is based in Louveciennes, France and can operate in on-site, hybrid, and remote work models.
Montassar speaks the following languages: Arabic (Native), French (Native), English (Advanced), German (Elementary).
Montassar has at least 16 years of experience. During this time, Montassar has worked in at least 9 different roles and for 12 different companies. The average length of individual experience is 1 year and 4 months. Note that Montassar may not have shared all experience and actually has more experience.
Based on recent experience, Montassar would be well-suited for roles such as: Workday Project Manager, SAP SuccessFactors Project Manager, HRIS Proxy Product Owner.
Montassar's most recent position is Workday Project Manager at Orisha.
In recent years, Montassar has worked for Orisha, Monnoyeur, LVMH Group, Natixis, and Deloitte.
Montassar is most experienced in industries like Banking and Finance, Fashion, and Government and Administration. Montassar also has some experience in Information Technology, Construction, and Healthcare.
Montassar is most experienced in business areas like Information Technology, Human Resources, and Project Management. Montassar also has some experience in Business Intelligence and Product Development.
Montassar has recently worked in industries like Cosmetics, Fashion, and Food and Beverage.
Montassar has recently worked in business areas like Information Technology, Project Management, and Human Resources.
Montassar holds a Master in Software Engineering from High Institute of Applied Sciences and Technology and a Bachelor in Electronics from High Institute of Applied Sciences and Technology.
Montassar is immediately available full-time for suitable projects.
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Calculated based on our freelancers’ daily rates as of 11 Nov 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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