OUR COMPANY: OAK is a consultancy and engineering firm specialized in process improvement, CE Marking (construction products, pressure equipment, ...), quality systems under various standards (ISO 9000, ISO/IEC 17025, EN 13816, ...), excellence, sustainability (ISO 14001, ISO 14064, ...), health and safety, organizational projects, and cost analysis and reduction. OAK is an established company with over 25 years of experience that offers employees stability and a long-term career opportunity. The activities we carry out promote dynamism, experience, qualifications, and a global vision across broad sectors of the economy—values that can only be gained within organizations like ours. Requirements: Professional with experience (minimum 2 years) in accounting and administrative support functions, particularly within service companies. Vocational training at higher level or university degree in economics or business administration is required. Additional knowledge in personnel management, HR, financial analysis, quality, or sustainability will be valued. Since our professional activity takes place in Catalonia, advanced written and reading skills in Catalan are required. Your responsibilities will include: Under the supervision of company management, you will be responsible for the following activities: \# Accounting \# Administrative and support management \# Payroll processing \# Invoicing, payment/receipt management, and bank reconciliation \# Employee expense settlements \# Quarterly tax closings \# Financial analysis * Experience: 2 years. Professional with experience (minimum 2 years) in accounting and administrative support functions, especially in service companies. Higher-level vocational training or university degree in economics or business-related fields is required. Additional knowledge in personnel management, HR, financial analysis, quality, or sustainability will be valued. As our professional activity operates in Catalonia, advanced proficiency in written and spoken Catalan is required. * Catalan (spoken Superior, written Superior) * Permanent employment contract * Part-time morning schedule (5 hours \- daily working day) * Other relevant information: Morning working hours from 9\-14 h. Variable compensation depending on the candidate. Immediate incorporation.