* Request and manage unionized personnel based on daily operations (staff requests / attendance list). * Detect absenteeism among unionized personnel. * Prepare administrative reports for unionized personnel. * Update the union system with attendance and modifications. * Attend to unionized personnel regarding payroll clarifications, complaints, or leave requests. * Stay up to date with IDSE (IMSS) system cycles and modifications. * Review Affiliation movements processed on the IMSS website and print them. * Conduct operational rounds. * Deliver to the payroll assistant the Excel file containing the captured attendance lists. * Appointments. * Compile and safeguard unionized personnel files. * Complete the required forms for INFONAVIT loan applications, as well as loan suspensions, and communicate them to payroll. Job type: Full-time Salary: $13,000.00 - $15,000.00 per month Benefits: * Free uniforms Work location: On-site employment