Workflow Management Software Engineer (Re1)

Reference: 253_25_ES_CES_RE1
Job title: Workflow Management Software Engineer (RE1)
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, and is now the 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 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.
We are particularly interested 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 favored.
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
In the framework of the Earth-Sciences department, the candidate will substantially improve the efficiency and productivity of numerical weather and climate simulations on high-performance computing platforms by supporting the end-to-end workflows of global Earth system modeling in HPC environments.
This will be obtained by improving and supporting the development and operation of modeling workflows on state-of-the-art supercomputer systems, and the usability of these models and tools throughout the European HPC ecosystem.
The candidate will develop solutions for cross-cutting HPC challenges, particularly in the weather and climate domain, and help to develop existing workflow orchestration software.

Key Duties Join the Autosubmit development team and work on improvements for the Autosubmit workflow engine.
Support research on the interoperability of Autosubmit with other workflow management systems.
Support the integration of state-of-the-art capabilities such as interoperability with other workflow managers and integration of heuristics to improve the efficiency of Autosubmit.
Maintain the operational deployment on different HPC platforms.
Contribute to the Autosubmit development strategy by analyzing user needs and learning from the benefits and disadvantages of the most used workflow tools in the Earth Sciences domain.
Support users inside and outside the BSC center by adding new features to existing and new tools.
Facilitate the adoption of the solutions developed through workshops and seminars in and out of the department.
Maintain the software in Git and deploy it to the HPC module and to the PyPi repository, publishing both source code updates and documentation.
Requirements Education Having a Bachelor in Computer Science or related discipline.
Having a Master's degree will be valued.


Essential Knowledge and Professional Experience Excellent development skills in Python 3 and OOP, and experience with UNIX/LINUX environments and scripting languages (bash, …)
Knowledge about the development and execution of scientific applications on parallel computers.
Experience writing and maintaining tests (unit, functional, ...).


Additional Knowledge and Professional Experience Experience in version control in a collaborative environment, including SVN or Git.
Previous experience in scientific Python packages (Python Numpy, Scipy, …) will be valued.
Understanding of HPC computer architecture issues including CPU, accelerators, memory, interconnect, parallel I/O, and computational performance.
Good documentation skills, applied to software code documentation for other developers, and also general documentation for users.
Previous experience with operating or developing Autosubmit and other workflow managers will be valued.
Fluency in English.


Competences Capacity to interact and build strong relations with both Earth and Computer scientists.
Excellent problem-solving skills with a proactive approach.
Willingness and capacity to learn about new technologies and procedures.
Capacity to work and communicate in an international and interdisciplinary working environment.
Excellent written and verbal communication skills.
Ability to take initiative, prioritize and work under set deadlines and pressure.
Ability to work both independently and within a team.


Conditions The position will be located at BSC within the Earth Sciences Department.
We offer a full-time contract (37.5h/week), a good working environment, a highly stimulating environment with state-of-the-art infrastructure, flexible working hours, extensive training plan, restaurant tickets, private health insurance, and support for relocation procedures.
Duration: Open-ended contract due to technical and scientific activities linked to the project and budget duration.
Holidays: 23 paid vacation days plus 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: April 2025.


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

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.

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