Job Summary: We are seeking a proactive and analytical administrative accounting assistant with an interest in numbers to grow professionally within a dynamic team. Key Highlights: 1. Continuous professional development and knowledge expansion. 2. Collaborative work environment with team building. 3. Work-life balance. We are GRUPO TREBOL ENERGIA. We seek an organized candidate with an interest in numbers and accounting, eager to learn and grow professionally within the team, to join as an Administrative Accounting Assistant in the Administration and Finance Department. This is a junior position, ideal for someone wishing to build a career in administration and accounting within a growing company. This role is designed for a candidate seeking a part-time morning schedule with opportunities for advancement within the administrative department. The candidate will join our offices in Sant Joan Despí (Barcelona) and provide support in administrative and accounting tasks within the finance area. Competency-wise, we require a proactive, dynamic individual with sound judgment and analytical skills, goal-oriented and committed to achieving optimal results. Who are we looking for? - Higher Vocational Training (FP Superior) qualification in Administration and Finance, Accounting, or related field. - 1–2 years of experience in administrative or accounting tasks (internships also valued). - Interest in accounting and administrative management. - Proficiency in Excel and office software. - Organized, responsible, and detail-oriented. - Proactive profile, eager to learn and develop professionally. We offer: - Continuous development, with opportunities to expand your knowledge in the sector. If you wish to explore more facets of the company, we will involve you in diverse experiences to understand our full range of processes. - Flexible working hours (start and end times), focused on work-life balance. - Indefinite part-time contract, 25 hours per week, mornings. - Flexible remote work arrangement (6 days per month) to suit your needs. - Flexible Compensation (transport and meal cards, private health insurance, discount platform, etc.). - Collaborative work environment with team-building activities and social events. Join our team and contribute to creating innovative solutions that make a difference. At GRUPO TREBOL ENERGIA, we guarantee selection processes free from prejudice, ensuring equal opportunity and non-discrimination based on origin, gender, disability, or age for all candidates throughout the recruitment process; all candidates will be assessed transparently according to the job requirements. 1. Invoice Registration and Control - Receipt and review of supplier invoices. - Registration and accounting of received invoices. - Classification and archiving of supplier invoices (digital). - Accounting of issued invoices. 2. Payment Management - Preparation of payment batches. - Monitoring of invoice due dates. - Bank reconciliation of payments. 3. Supplier Relations - Responding to supplier inquiries regarding payments or invoices. - Requesting pending invoices. - Managing incidents (e.g., duplicate invoices, amount errors). 4. Administrative and Tax Support - Preparing information for monthly financial closings. - Assisting in preparing tax forms related to suppliers (e.g., Form 347). - Supporting accounting audits. * Experience: 1 year. Higher Vocational Training (FP Superior) qualification in Administration and Finance, Accounting, or similar. 1–2 years of experience in administrative or accounting tasks (internships also valued). Interest in accounting and administrative management. * HIGHER VOCATIONAL TRAINING (FP) QUALIFICATION * Competencies / Knowledge: Proficiency in Excel and office software. Experience with A3 or Contaplus. * Indefinite-term employment contract * Part-time morning schedule (25 hours – annual working time) * Gross monthly salary: 1100 * Other points of interest: Continuous development, with opportunities to expand your knowledge in the sector. If you wish to explore more facets of the company, we will involve you in diverse experiences to understand our full range of processes. Flexible working hours (start and end times), focused on work-life balance. Flexible remote work arrangement (6 days per month) to suit your needs. Flexible Compensation (transport and meal cards, private health insurance, discount platform, etc.). Collaborative work environment with team-building activities and social events.