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Melissa SencaglarMS

Melissa Sencaglar

Interim HR Director & Shared HR

€1,000/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Melissa

Senior HR Director, I am called upon when HR issues are complex, urgent, or sensitive.

15 years of experience in HR and social law, including 10 in HR management roles with demanding scopes: SMEs, mid-cap companies, groups up to 4,000 employees, multi-site, multi-collective agreements, managing up to 11 companies simultaneously.

What I bring concretely:

▸ HR Transformation (internalization of 100 freelancers, post-merger transformation of a group of 4,000 employees, group organizational overhaul, change of collective agreement)

▸ Direct management of departure plans and high-volume litigation, directly with employees or their lawyers, handling all drafting

▸ Complete overhaul of HR compensation policies, salary grids, pay plans, support for job evolution, HRIS

▸ Structuring the HR function from scratch or through overhaul

▸ Consulting and skill development for management committees, management, and HR teams in social law and HR

Preferred sectors: IT/ESN, consulting, B2B services, higher education, culture & entertainment.

📩 Available for assignments from June 2026

Pricing adapted to each assignment scope
  • French

    Native or bilingual

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

Experience

  • LEXRH Conseil
    Interim HR Director, Legal Transition Manager
    HUMAN RESOURCES
    September 2022 - Today (3 years and 9 months)
    Le Perreux-sur-Marne, France
    HR assignments, Legal Transition Manager.
    Assignments under confidentiality, references upon request.

    ▸ HR and Social Legal Direction provided as a replacement:Human Resources Management, Social Law Legal Department Management, team and case management
    ▸ HR Transformation:Post-merger HR Transformation of a group of 4,000 employees, company and HR function structuring in a context of high workforce fluctuations, internalization of 100 freelance employees, change of collective agreement
    ▸ Direct management of departure negotiations and high-volume litigation:Negotiations in common practice, management of individual litigation directly with employees and lawyers, drafting of procedures, agreements, and disciplinary letters, internal investigations including harassment
    ▸ HR Performance Management:Structuring of HR activity within the Group, process overhaul, HR reporting, and KPI implementation
    ▸ Overhaul of Compensation Policies and HR Digitalization:Salary grids, pay plans, reference frameworks, and job transformation, HRIS deployment, HR and legal documentation base with AI integration
    ▸ Consulting and Support for Management and the Executive Committee:Support in transformation contexts, skill development in social law, HR, and management
    ▸ Tools, Organization, and Compliance:URSSAF and partial activity piloting, ISO 9001, Ecovadis

    PROFESSIONAL AND ENTREPRENEURIAL COMMITMENTS
    ▸ HR and Social Law Expert| Reality Academy (2025): consulting and validation on conversational AI development and blended and immersive learning training modules
    ▸ Designer and Creator| Parcours Civique (2025): web platform for preparing for the new civic exam
    ▸ Director| LexRH Conseil (2022) Qualiopi certified training provider: professional training in social law, HR, and management
  • AS International Group
    Human Resources Director
    DIGITAL AND IT
    February 2016 - August 2022 (6 years and 7 months)
    Île-de-France, France
    ▸ Definition and deployment of HR strategy
    Proposal and implementation of HR strategy (recruitment policy, salary policy, skills development plan, employee monitoring and retention).
    Garantor of social climate.

    ▸ Management of individual and collective relations
    Drafting and monitoring of individual contracts, agreements, securing collective health and welfare contracts.
    Management of inter-contract periods, conflict management, negotiation and management of departures, dismissals, mutual agreements, settlements, preparation of litigation files for our counsel, participation in HR strategy, HR and legal watch. Legal advice, risk assessment.

    ▸ Implementation and deployment of Employer Branding
    Establishment of an Internal Communications/HR Marketing department, implementation of an Onboarding policy with the Recruitment Manager, Quality of Work Life policy, reflection on jobs and skills, employee retention through communication actions such as Welcome Kits, internal events, masterclasses.

    ▸ Talent Management
    Sourcing strategy, partnership setup and management, analysis and reporting, subcontracting and outsourcing contract management

    ▸ Consulting and support for managers
    Responses to HR and labor law requests, support for managers in team development, analysis of annual appraisals and employee monitoring, support for managers in their decisions, monitoring the application of HR procedures by operational staff

    ▸ Optimization of HR processes
    Structure and optimization of HR processes, process reliability, training plan optimization, HR tools budgeting, cost management for departures, disability policies, social reporting, 5 URSSAF controls.
  • CetSI
    Human Resources Manager and Legal Counsel
    November 2008 - March 2015 (6 years and 4 months)
    Nanterre, France
    CetSI Human Resources Manager and Legal Counsel
    IT service provider (150 employees), multi-site
    HR management for 3 other group companies (20 employees)
    Management of 2 people

    ▸ Definition and deployment of HR strategy
    ▸ Consulting and support for operational staff
    Supervision of personnel administration
    ▸ Disciplinary
    ▸ Social relations, labor law
    ▸ Other legal interventions

Recommendations

Jeanne TaravellaJT
CL
SD
+3
Jeanne Taravella and 5 other people have recommended Melissa

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Education

  • Master of Business Administration (MBA), Human Resources and Services Management
    MBA ESG
    2009
    Master of Business Administration (MBA), Gestion des ressources humaines et services
  • Master of Social Science
    Université Paris Nanterre
    Master droit social

Skill set

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