You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Olivier DumasOD

Olivier Dumas

HRIS Project Manager

€550/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Olivier

Hello,
I have been working in the HRIS field for over 20 years, in various areas: administrative management, time and activity management, payroll.
I started with technical missions before moving towards functional missions.
In particular, I have worked extensively on HRIS migration and interface aspects in my recent roles.
I have a good knowledge of private law payroll.
My latest missions have also allowed me to supervise staff, lead meetings, and write the resulting minutes and detailed designs.
  • English

    Native or bilingual

  • French

    Native or bilingual

Can work on-site
Paris (up to 50km)

Experience

  • CELAD HR
    COBOL / PACBASE Developer Analyst
    BANKING AND INSURANCE
    February 2026 - April 2026 (2 months)
    Brunoy, France
    Mission at Crédit Agricole Titres in the Title Life department
    Maintenance tasks on the OC application (Coupon Operations).
    - Handling of Production incidents
    - Optimization of processing times
    - Deployment to Production
    - Activity management using the ServiceNow workflow tool
    MVS COBOL PACBASE JCL DB2 LCM Eclipse RPP RTC Idz
  • GROUPE ORTEC
    HRIS Project Manager
    October 2025 - December 2025 (2 months)
    Technical Referent
    Activity focused on the RUN aspects of the HRIS in a migration context:
    • - Responding to evolving and corrective requests from ORTEC Payroll Managers in the form of JIRA workflows:
    ◦ o Payroll object configuration from the HRCT2 workshop
    ◦ o Queries
    ◦ o Specific treatments
    • - Participation in coordination meetings with the editor SOPRA's RUN and BUILD teams
    • - Delivery in the various RUN and BUILD environments using the Code Promo tool
  • AMBCS
    HRIS Project Manager
    July 2024 - September 2025 (1 year and 2 months)
    Several missions under direct subcontracting with the editor SOPRA:
    HR Access Consultant
    March 2021 – July 2022
    Mission at MSA within the HRIS MOE team
    Participation in the HRIS migration project to the new HR4YOU version: writing test plans for inbound and outbound operational flows, executing tests using the TestLink tool, acceptance testing of payroll cycle envelopes, redesign of exploration

    Payroll Technical-Functional Analyst
    November 2022 – April 2023
    Mission at Stellantis France within the HRIS MOA team
    Participation in the implementation of the new Leasys company in the GAPAIE France HRIS:
    • Ensuring payroll continuity for employees transferred to the new company
    • Coordination of the activity of various stakeholders
    • Configuration or modification of payroll object configuration: conditions, payroll constants, payroll items

    HR Access HRIS Developer
    August 2023 – June 2024
    Mission at ORTEC group within the SOPRA Project team
    Participation in the payroll migration project from a proprietary tool to HR Access Suite 9:
    • Implementation of the outbound interface for transferring payroll data to ORTEC's management accounting system
    • Responding to evolving or corrective requests from ORTEC MOA

    HR Access HRIS Consultant
    July 2024 – September 2025
    Mission at CEA
    Participation in the Convergence project for implementing HR4YOU within the SOPRA Project team
    Mapping of interfaces between the HRIS and other CEA systems
    • Writing detailed designs for some of these interfaces
    • Writing minutes of meetings and workshops

Recommendations

Be the first to recommend Olivier

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • DESS Certificate of Aptitude for Business Administration
    Paris (Université de Paris I –
    2004
    DESS Certificat d'aptitude à l'administration des entreprises
  • PhD Thesis in Metallurgy.
    Doctoral School of Science and Materials Engineering of INPG
    1996
    Thèse de Doctorat en Métallurgie.

Skill set

Categories