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Melissa SencaglarMS

Melissa Sencaglar

Interim HR Director & Shared Time

€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.
Social law expertise.

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

What I bring concretely:

▪ HR Transformation: HR transformation post-merger of a group of 4,000 employees, transfer of employees between entities, internalization of 100 freelancers into employment, change of collective agreement, audit and harmonization of contracts and remuneration schemes, structuring of the company and the HR function in a context of significant workforce fluctuations.

▪ Direct Management of Departure Negotiations and High-Volume Litigation: routine negotiations, direct management of individual disputes 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.

▪ Structuring HR Processes: onboarding, employer branding, people reviews, HR rituals, remuneration, social policy, CSR.

▪ Overhaul of Remuneration Policies and HR Digitalization: salary grids, pay plans, reference frameworks, and job transformation, harmonization between entities, HRIS deployment, HR and legal documentation base with AI integration, CSE negotiation.

▪ Consulting and Support for Management and the Executive Committee: management of structuring projects in conjunction with the CFO and lawyers, support in a context of change, skills development in social law, HR, and management.

Preferred Sectors:IT/ESN, consulting, advertising agencies, B2B services, higher education, culture & entertainment.

Preferred Collective Agreement:Syntec
  • French

    Native or bilingual

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

Experience

  • LEXRH Conseil
    Interim HR Consultant
    HUMAN RESOURCES
    September 2022 - Today (3 years and 11 months)
    Le Perreux-sur-Marne, France
    HR Director Assignments, Legal Transition Manager.
    Assignments under confidentiality, references available upon request.

    ▸ HR and Social Legal Direction Provided as Stand-in:Human Resources Management, Social Law Legal Department Management, Team and Case Management.
    ▸ HR Transformation:HR transformation post-merger of a 4,000-employee group, company and HR function structuring in a context of significant workforce fluctuations, internalization of 100 freelance employees, collective agreement change.
    ▸ Direct Management of Departure Negotiations and High-Volume Litigation:routine negotiations, direct management of individual disputes 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 Remuneration Policies and HR Digitalization:salary grids, pay plans, reference frameworks, job transformation, HRIS deployment, HR and legal documentation base with AI integration.
    ▸ Consulting and Support for Management and the Executive Committee:support in a context of change, skills development in social law, HR, and management.
    ▸ Tools, Organization, and Compliance:URSSAF and partial activity management, 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 preparation 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).
    Guardian of the social climate.

    ▸ Management of Individual and Collective Relations
    Drafting and monitoring of individual contracts, agreements, securing collective health and provident fund contracts.
    Management of inter-contract periods, conflict management, negotiation and management of departures, dismissals, conventional terminations, 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 Communication/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 establishment and management, analysis and reporting, management of subcontracting and outsourcing contracts.

    ▸ 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 the HR process, process reliability, optimization of the training plan, budgeting for HR tools, management of exit costs, disability policy, social reporting, 5 URSSAF audits.
  • CetSI
    Human Resources Manager and Lawyer
    November 2008 - March 2015 (6 years and 4 months)
    Nanterre, France
    CetSI Human Resources Manager and Lawyer
    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 actions
    ▸ 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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