Job Reference

366_26_MNG_F_AA

Position

General Accounts Payable Officer

Closing Date

Sunday, 16 August, 2026

Reference: 366_26_MNG_F_AA

Job title: General Accounts Payable Officer

About BSC The Barcelona Supercomputing Center - Centro Nacional de Supercomputación (BSC-CNS) is the leading supercomputing center in Spain. It houses MareNostrum, one of the most powerful supercomputers in Europe, was a founding and hosting member of the former European HPC infrastructure PRACE (Partnership for Advanced Computing in Europe), and is now hosting entity for EuroHPC JU, the Joint Undertaking that leads large-scale investments and HPC provision in Europe. The mission of BSC is to research, develop and manage information technologies in order to facilitate scientific progress.

BSC combines HPC service provision and R&D; into both computer and computational science (life, earth and engineering sciences) under one roof, and currently has over 1000 staff from 60 countries.

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We are particularly interested for this role in the strengths and lived experiences of women and underrepresented groups to help us avoid perpetuating biases and oversights in science and IT research. In instances of equal merit, the incorporation of the under-represented sex will be favoured.

We promote Equity, Diversity and Inclusion, fostering an environment where each and every one of us is appreciated for who we are, regardless of our differences.

If you consider that you do not meet all the requirements, we encourage you to continue applying for the job offer. We value diversity of experiences and skills, and you could bring unique perspectives to our team.

Context And Mission

We are looking for a detail-oriented and analytical Accounting Payable Officer to join our Finance team. The successful candidate will be responsible for reviewing, validating, and overseeing the organization's expenditure records and supporting documentation, ensuring compliance with applicable regulations, internal policies, and established procedures.

This position plays a critical role in ensuring that the organization's expense information accurately, completely, and reliably reflects its financial reality. The role requires strong analytical skills, attention to detail, and the ability to thoroughly review financial transactions and support documentation. By maintaining the integrity and accuracy of financial records, the successful candidate will contribute to the effective operation of financial processes and the development of productive relationships with suppliers and other stakeholders.

Key Duties

- Analyze and monitor vendor and creditor accounts to ensure the accuracy and integrity of accounting records.
- Review the status of vendor and creditor accounts, identifying outstanding balances, discrepancies, and potential issues.
- Follow up on and request outstanding invoices, ensuring all transactions are properly documented and supported
- Record and process vendor and creditor expense transactions in SAP Business One in accordance with internal procedures and established accounting standards
- Perform periodic reconciliations of vendor accounts and statements, verifying outstanding balances and identifying discrepancies.
- Resolve issues related to invoices, payments, or accounting discrepancies in coordination with vendors and internal departments
- Maintain accurate and up-to-date vendor information and supporting documentation
- Support month-end closing activities related to the Accounts Payable function
- Prepare reports and analyses regarding vendor account status and outstanding liabilities
- Respond to audit requests and provide supporting documentation related to expense transactions and accounting records




- Ensure proper document management and record retention in compliance with the organization's policies and procedures

Requirements

- Education
- Bachelor's degree in Business Administration (BBA) or a Higher Vocational Training Diploma in Administration and Finance

- Essential Knowledge and Professional Experience

- 1–3 years of experience in similar roles.
- Solid knowledge of accounting principles and tax regulations
- Advanced proficiency in Microsoft Office, particularly Excel
- Experience in vendor account reconciliation and balance analysis.
- Experience working with ERP systems; knowledge of SAP Business One is highly desirable
- Knowledge of invoicing regulations and tax requirements (VAT, withholding taxes, etc.).

- Additional Knowledge and Professional Experience

- Native or professional proficiency in Spanish (written and oral) for processing official documentation and internal communications.
- Medium-to-High level of English (B2), will be highly valuable
- Experience with data analysis and reporting tools.
- Understanding of public budgeting regulations and public procurement processes.

- Competences

- Highly organized and methodical, with a strong interest in administrative and financial support activities.
- Strong team player with effective time management and prioritization skills.
- Ability to work effectively in a fast-paced, high-volume, deadline-driven environment.
- Strong planning and organizational skills, with a structured and detail-oriented mindset.
- Meticulous attention to detail and the ability to multitask effectively.
- Strong analytical and problem-solving skills.
- Ability to manage multiple priorities and consistently meet deadlines.

Conditions

- The position will be located at BSC within the Management Department
- We offer a full-time contract (35h/week), a good working environment, a highly stimulating environment with state-of-the-art infrastructure, versátil working hours, extensive training plan, restaurant tickets, private health insurance, support to the relocation procedures
- Duration: Open-ended contract due to technical and scientific activities linked to the project and budget duration
- Holidays: 22 days of holidays + 6 personal days + 24th and 31st of December per our collective agreement
- Salary: we offer a competitive salary commensurate with the qualifications and experience of the candidate and according to the cost of living in Barcelona
- Starting date: 16/08/2026

Applications procedure and process All applications must be submitted via the BSC website and contain:

- A full CV in English including contact details
- A cover/motivation letter with a statement of interest in English, clearly specifying for which specific area and topics the applicant wishes to be considered. Additionally, two references for further contacts must be included. Applications without this document will not be considered.

Development of the recruitment process The selection will be carried out through a competitive examination system ("Concurso-Oposición"). The recruitment process consists of two phases:

- Curriculum Analysis: Evaluation of previous experience and/or scientific history, degree, training, and other professional information relevant to the position.
- 40 points
- Interview phase: The highest-rated candidates at the curriculum level will be invited to the interview phase, conducted by the corresponding department and Human Resources. In this phase, technical competencies, knowledge, skills, and professional experience related to the position, as well as the required personal competencies,



will be evaluated.
- 60 points. A minimum of 30 points out of 60 must be obtained to be eligible for the position.

The recruitment panel will be composed of at least three people, ensuring at least 25% representation of women. In accordance with OTM-R principles, a gender-balanced recruitment panel is formed for each vacancy at the beginning of the process. After reviewing the content of the applications, the panel will begin the interviews, with at least one technical and one administrative interview. At a minimum, a personality questionnaire as well as a technical exercise will be conducted during the process.

The panel will make a final decision, and all individuals who participated in the interview phase will receive feedback with details on the acceptance or rejection of their profile.

At BSC, we seek continuous improvement in our recruitment processes. For any suggestions or comments/complaints about our recruitment processes, please contact [email protected].

For more information, please follow this link.

Deadline The vacancy will remain open until a suitable candidate has been hired. Applications will be regularly reviewed and potential candidates will be contacted.

OTM-R principles for selection processes

BSC-CNS is committed to the principles of the Code of Conduct for the Recruitment of Researchers of the European Commission and the Open, Transparent and Merit-based Recruitment principles (OTM-R). This is applied for any potential candidate in all our processes, for example by creating gender-balanced recruitment panels and recognizing career breaks etc.

BSC-CNS is an equal opportunity employer committed to diversity and inclusion. We are pleased to consider all qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or any other basis protected by applicable state or local law.

For more information follow this link

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📌 General Accounts Payable Officer (Barcelona)
🏢 Barcelona Supercomputing Center
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