**Salary:** ****To be determined****Contract type:** Training contract**Working hours:** Full-time**Years of experience:** No experience required Are you a student in Labor Relations and passionate about labor management and payroll? At Corporación Terciaria S.A., a company specialized in Human Resources with extensive experience in the sector, we offer you the opportunity to complete your internship in our Payroll Department and take your first professional steps in a dynamic and training-oriented environment. What will you do during your internship? * You will join the payroll team and support the following tasks:\*\* * Calculation of salaries, bonuses, severance payments, and arrears. * Sending payroll payment batches. * Handling payroll-related incidents. * Tax payments: Social Security and IRPF. * Monthly payment control and data reconciliation. * Electronic communications with Social Security, SEPE, and other agencies. * Monthly preparation of operational personnel cost reports by center. * Collection of documentation for labor inspections and legal proceedings. * Analysis of collective bargaining agreements applicable to the company. We offer: * Agreement with your current university to carry out curricular or extracurricular internships (you must be enrolled in Labor Relations or a Master's in HR). * Working hours from Monday to Friday, 9:00\-14:00 and 15:00 to 18:00. * Financial assistance of 640 euros/gross per month. * Start date: November 2025\. * Currently studying a Bachelor’s degree in Labor Relations or a Master’s in HR. * Availability to sign an agreement with your university for curricular or extracurricular internships. * Residence in Barcelona. * Immediate availability.