HIDROGAS JUAREZ S.A. DE C.V. Payroll Assistant \- Flexible schedule \- Over 18 years of age \- Gender: Unrestricted \- Degree in Business Administration or Human Resources (completed or incomplete). \- Knowledge of: * TRESS system: Payroll pre-calculation, severance payments, settlements, and incident recording. * IMSS affiliation procedures: Employee registration (hires), cancellations (terminations), salary modifications, and submission of acceptance acknowledgments to various branches. * IDSE: Calculation of variable and integrated components within the TRESS system. * SUA: Calculation of IMSS and INFONAVIT contributions using the TRESS system; generation of SIPARE reports per branch. * Christmas bonus (Aguinaldo): Calculation and generation of special payroll in the TRESS system. * FONACOT: Downloading issuance from the portal, exporting REV FONACOT report, importing certificate, and downloading payment slip from the portal. * Generation of weekly, monthly, bimonthly, and annual reports, and submission to Internal Audit. Job type: Full-time, Indefinite term Salary: $10,000.00 \- $20,000.00 per month Education: * Incomplete or ongoing bachelor’s degree (Preferred) Experience: * TRESS system: 1 year (Preferred) * IDSE: 1 year (Preferred) * INFONAVIT and FONACOT: 1 year (Preferred) * IMSS hires and terminations: 1 year (Preferred) * Federal Labor Law (LFT): 1 year (Preferred) Work location: On-site employment