Gestionnaire de Paie

Part-Time Position - 50% Salary range : 20,000€ to 27,500€ The Payroll & Administration Manager owns the end-to-end payroll process for the company and is the primary point of contact for everything related to pay accuracy, social security compliance, and payroll-related reporting. The role works hand-in-hand with the HR team on shared personnel-administration topics and represents payroll matters with Finance, social security bodies, and software vendors. What you will be doing: Payroll Management Own the entire payroll process end-to-end, from collecting variable pay elements to issuing payslips. Control the accuracy of variable pay elements: working time, overtime, bonuses and commissions, ESPP, absences, and sick/parental leave data. Ensure salary calculations comply with legal requirements and collective-bargaining agreements (in coordination with HR). Incorporate salary increases (NAO negotiations, promotions) and transmit company-agreement rules to ADP for configuration. Check payslips for accuracy before distribution. Guarantee that salary payment deadlines are met. Manage payroll adjustments and corrections, and perform consistency checks. Calculate and issue final settlement payments ("solde de tout compte"), in coordination with HR. Produce payroll reports for the Finance department. Personnel Administration From hiring to departure Day-to-day management Meal voucher management Social Security Contributions Prepare and control the Déclaration Sociale Nominative (DSN). Calculate social security contributions. Import RSU (restricted stock unit) grants into the DSN. Ensure social security contributions are paid within regulatory deadlines. Maintain relations with government agencies: URSSAF, pension funds, provident/insurance bodies, health insurance, unemployment insurance, and occupational health. Handle URSSAF audits and prepare supporting documentation requested by social bodies. Follow up on IJSS reimbursements (daily social security benefits) and calculate supplementary provident-fund benefits, in coordination with HR. Reconcile payroll data against social declarations. Legal Compliance Monitor changes in labor law on an ongoing basis, in coordination with HR. Apply legislative changes to payroll practices. Adapt internal practices to new legal obligations, in coordination with HR. Reporting Calculate and report on personnel costs. Calculate provisions related to paid leave. Internal and External Relations Internally Act as the payroll point of contact for the HR department. Liaise with the Finance department, including payroll cost calculation for the Research Tax Credit (CIR). Support managers and employees on payroll-related questions, in coordination with HR. Externally Liaise with statutory auditors during audits and reviews. Act as the main contact for social security bodies and the tax administration on payroll matters. Manage the relationship with payroll and time-management software vendors. What you should have: Bac+3 to Bac+5 degree in Human Resources, Payroll, Accounting, or Labor Law. At least 5 years of hands-on experience in payroll and personnel administration. Prior experience in a payroll management. Practical experience with payroll and time-management systems. Hands-on experience preparing DSN declarations and managing relationships with URSSAF or other social bodies. Reliable, detail-oriented, and able to work autonomously under recurring monthly deadlines. Fluent in French and B2 level in English. Comfortable partnering with HR, Finance, and external stakeholders. Les + Harmonic Technologies France : • Flexibilité dans l'organisation du travail. • Des événements conviviaux (Welcome Day, petit-déjeuners, challenges entreprise…). • Des cours de sport animés par des coachs diplômés. • Employee Stock Purchase Plan (achat d’actions à prix réduit). • Mutuelle complémentaire offrant de très bonnes garanties et prise en charge à 90% par l’entreprise. • Carte tickets restaurant (10,50€ par jour) Accès à : emprunts de matériel (jeux, livres, consoles, bricolage, sono…), remboursement des activités et loisirs… Diversity, Equality, and & Inclusion at Harmonic Inc At Harmonic, we believe that building and nurturing a global team with diverse backgrounds and voices is critical to our success. Together, we achieve excellence through creativity and innovation, build relationships based on integrity and mutual respect, and deliver the highest quality in every aspect of our business for the benefit of our employees, business partners and shareholders.