Computational Fluid Dynamics Analyst

Computational Fluid Dynamics Analyst

International Thermonuclear Experimental Reactor (ITER)

November 28, 2025January 12, 2026France
International Thermonuclear Experimental Reactor (ITER) About
International Thermonuclear Experimental Reactor (ITER) is an international nuclear fusion research and engineering megaproject, which will be the world's largest magnetic confinement plasma physics experiment. The project is funded and run by seven member entities; the European Union, India, Japan, China, Russia, South Korea and the United States.
Job Description
Job Posting Organization:
The ITER Organization (IO) is a pioneering international research and engineering project aimed at demonstrating the feasibility of nuclear fusion as a large-scale and carbon-free source of energy. Established to advance the understanding of fusion energy, the organization operates in a multi-cultural environment and encourages diversity among its workforce. The ITER project is a collaborative effort involving multiple countries, and the organization is committed to fostering an inclusive workplace that values the contributions of all individuals, regardless of their background. The ITER Organization is dedicated to addressing one of the most complex scientific and engineering challenges of our time, with a focus on sustainability and the health of the planet for future generations. The organization promotes a culture of collaboration, accountability, respect, and excellence, which are the core values that guide its operations and interactions.

Job Overview:
As a Computational Fluid Dynamics Analyst within the Engineering Services Department (ESD) at the ITER Organization, you will play a crucial role in supporting the engineering and safety activities of the ITER project. Your primary responsibilities will include performing and verifying Computational Fluid Dynamics (CFD) analyses that are essential during various phases of the ITER project, including design, construction, commissioning, and operational phases. You will also contribute to the procurement and management of contracts related to CFD analyses, ensuring that deliverables are produced on time and within budget while adhering to quality standards. This position offers an exciting opportunity to work at the forefront of fusion energy research, collaborating with a multidisciplinary team of experts in various engineering fields. You will have the chance to develop your skills and experience under the guidance of your discipline manager, contributing to the overall success of the ITER project.

Duties and Responsibilities:
The primary responsibilities of the Computational Fluid Dynamics Analyst include defining and developing methodologies for CFD analyses, ensuring the implementation of CFD analysis processes across the ITER Organization, Domestic Agencies (DAs), and suppliers. You will be responsible for developing CFD analysis models or tools for common use by different teams and DAs, monitoring their usage and adequacy as the project evolves. Additionally, you will perform and control CFD analyses to support the definition of loads and assessments against design criteria. You will contribute to the procurement and management of contracts, ensuring that the work of other CFD analysts meets the required quality, cost, and schedule criteria. Additional responsibilities include supporting the control and definition of accepted CFD analysis software for the ITER project, ensuring proper archiving of CFD analysis models in the ITER analysis model database, verifying consistency of load data across different systems and components, and proposing solutions to enhance the quality and reliability of CFD analysis calculations and reports. You will also perform nuclear safety and thermohydraulic analyses in support of the engineering and safety departments, including addressing inquiries from the French regulator. It is important to note that job descriptions may not be exhaustive, and you may be required to undertake other duties aligned with the primary responsibilities outlined.

Required Qualifications:
To qualify for the position of Computational Fluid Dynamics Analyst, candidates must possess a Master’s degree or equivalent in fluid mechanics or a relevant discipline. In lieu of formal education, extensive professional experience involving similar work responsibilities or additional training certificates in relevant domains may be considered. Essential qualifications include proven experience in performing, reviewing, and coordinating CFD analyses, as well as a strong understanding of analysis methodologies and procedures for CFD and thermal analyses. Candidates should be familiar with fluid mechanics principles, numerical algorithms, and software tools for solving complex fluid flow problems. Knowledge of preprocessing tasks such as geometry preparation and mesh generation, as well as postprocessing tasks like visualization and interpretation of simulation results, is also required. Continuous improvement skills, including the ability to propose changes to processes and systems to enhance efficiency and quality, are essential. Familiarity with Quality Management Systems (QMS) and the ability to apply applicable procedures related to the field of activity are also important.

Educational Background:
The educational background required for the Computational Fluid Dynamics Analyst position includes a Master’s degree or equivalent in fluid mechanics or a closely related discipline. Candidates with extensive professional experience that involves similar work responsibilities or those who have obtained additional training certificates in relevant domains may also be considered for this role. The emphasis is on having a strong foundation in fluid mechanics and related fields to effectively contribute to the complex analyses required for the ITER project.

Experience:
Candidates for the Computational Fluid Dynamics Analyst position should have proven experience in performing, reviewing, and coordinating CFD analyses. This includes familiarity with analysis methodologies and procedures specific to CFD and thermal analyses, as well as a solid understanding of fluid mechanics principles and numerical algorithms. Experience in modeling various fluid flow scenarios, such as turbulent flows, multiphase flows, heat transfer, and combustion in diverse engineering applications, is essential. The ideal candidate will also have experience with preprocessing tasks, such as geometry preparation and mesh generation, and postprocessing tasks, including visualization and interpretation of simulation results. Continuous improvement experience, particularly in proposing changes to enhance efficiency and quality, is highly valued.

Languages:
Fluency in English, both written and spoken, is mandatory for the Computational Fluid Dynamics Analyst position. This proficiency is essential for effective communication within the multi-cultural work environment of the ITER Organization. While English is the primary language of communication, knowledge of additional languages may be considered an asset, particularly in fostering collaboration with international teams and stakeholders.

Additional Notes:
The position of Computational Fluid Dynamics Analyst is offered as an initial employment contract of up to five years, with the possibility of extension based on performance and project needs. The job grade for this position is P2, and the salary will be determined based on the ITER Organization's salary simulator. The selection process aims to fill the current vacancy while also establishing a reserve list of candidates for future positions. This reserve list will remain valid for two years, with the potential for extension at the discretion of the Director General. The ITER Organization is committed to diversity and inclusion in the workplace, encouraging applications from under-represented nations and women candidates. The organization values a fair and equitable environment across all areas, including compensation and benefits.
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