Junior High Performance Computing Application Support

Job Reference



Junior High Performance Computing Application Support

Closing Date

Sunday, 31 January, 2021
Reference: 5_21_OP_US
Job title: Junior High Performance Computing Application Support

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 a hosting member of the PRACE European distributed supercomputing infrastructure. 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 700 staff from 49 countries.

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Context And Mission

Supercomputers are indispensable tools for solving the most challenging and complex scientific and technological problems through simulations. The Partnership for Advanced Computing in Europe, PRACE, is a unique persistent pan-European Research Infrastructure for High Performance Computing (HPC) and forms the top level of the European HPC ecosystem. BSC is one of the core partners of PRACE providing a tier-0 system like MareNostrum4 to the PRACE computing resources.

This position will be integrated within operations department within the High level support team. The team will work on applications support for the most relevant projects asking resources at PRACE infrastructure, including the improvement of the scalability and performance of selected European scientific applications and tools towards Exascale, Data Analytics and Machine learning as well as code refactoring.

Key Duties

  • Optimize and adapt scientific application codes to new pre-exascale architectures
  • Improve the performance of existing parallel codes, improving the serial efficiency and the scalability, changing if necessary the code or helping the developers with their required modifications.
  • Generate performance analysis and benchmarks for selected applications and report the results to the applications developers.
  • Collaborate with other functional groups at European and International level on technical matters related to supporting scientific application work. 


  • Education
    • Bachelor in Computer Science or related discipline and at least 1 years of experience in a similar position working with HPC codes.
  • Essential Knowledge and Professional Experience
    • Experience using performance analysis tools, and parallel debuggers.
    • Experience supporting and collaborating with external partners.
    • Good understanding of Linux environment and Shell scripting.
    • Previous expertise in working with parallel programming models (MPI, OpenMP, ...)
  • Additional Knowledge and Professional Experience
    • Experience in managing big and collaborative projects and experience with git and SVN.
    • Experience using the BSC performance tools.
    • Experience analyzing and testing different high performance computing architectures.
  • Competences
    • Excellent communication and interpersonal skills to be able to work within a team to complete tasks on schedule.
    • Analytical problem solving ability.
    • Good level on english


  • The position will be located at BSC within the Operations Department
  • We offer a full-time contract, a good working environment, a highly stimulating environment with state-of-the-art infrastructure, flexible working hours, extensive training plan, tickets restaurant, private health insurance, fully support to the relocation procedures
  • Duration: Temporary - 31/02/2022 renewable
  • 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: 3rd of Februrary 2021

Applications Procedure

All applications must include:

  • A Cover Letter with a statement of interest in English, including two contacts for further references - Applications without this document will not be considered

  • A full CV in English including contact details


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

Diversity and Equal Opportunity Employment

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.

Application Form

Please, upload your CV document using the following name structure: Name_Surname_CV
Files must be less than 3 MB.
Allowed file types: txt rtf pdf doc docx.
Please, upload your CV document using the following name structure: Name_Surname_CoverLetter
Files must be less than 3 MB.
Allowed file types: txt rtf pdf doc docx zip.
Please, upload your CV document using the following name structure: Name_Surname_OtherDocument
Files must be less than 10 MB.
Allowed file types: txt rtf pdf doc docx rar tar zip.
** Consider that the information provided in relation to gender and nationality will be used solely for statistical purposes.