Process Innovation Modeling Engineer

Job location:
Vaulx-Milieu, France
Created moment:
April 11, 2024
Job reference:
REQ - 08144

The Company

The world’s leading supplier of mineral-based specialty solutions for industry with 14,000 employees, operations in more than 40 countries, and €4.3 billion in revenue in 2022.
Imerys delivers high-value-added, functional solutions to a great number of sectors, from processing industries to consumer goods. The Group draws on its understanding of applications, technological knowledge and expertise in material science to deliver solutions by beneficiating its mineral resources, synthetic minerals and formulations. Imerys’ solutions contribute essential properties to customers’ products and their performance, including heat resistance, hardness, conductivity, opacity, durability, purity, lightness, filtration, absorption and water repellency. Imerys is determined to develop responsibly, in particular by fostering the emergence of environmentally-friendly products and processes.
If you want to grow your skills and develop your career, find out more at

The Position

Process Innovation Modeling Engineer

Job Summary


The incumbent will deal with Innovative Process modelling studies. He/she will need to have extensive technical experience with computer science, material science, process and/or engineering and conceptualise and lead complex technical efforts (transformational and transversal).


The Process Innovation team is part of the Science & Technology department of the business area Refractory, Abrasives and Construction. It supports process innovation for RAC and may  provide expertise for the IMERYS group.

Main mission of the incumbent will be to work for the Precize project and will be in charge of the process modelling aspect.  He/she will have strong interactions with other S&T departments, industrial partners (Air Liquide) and Universities (CEMTHI, LGC Toulouse). The engineer can be asked for working transversally with other Business Areas.


Core role responsibility: 

  • Conducts literature evaluations in preparation of process modelling and proposes  innovative programs of study.

  • Develop relationship with S&T department and/or universities (CEMTHI/ LGC Toulouse) to acquire physical data/ parameters for planned modelling

  • Performs advanced modelling studies in the field of combustion, heat transfer, dissolution and Gas/ liquid transfer.  

  • Participate at industrial/ pilot tests to confirm modelling results by performing measurements. Results to be fed back into the model as an improvement loop.

  • Has to challenge supplier and modelling companies aligned with our project objectives (technical model choice, parameter assumption and interpretation)

  • Collaboration with the IT department to propose software compatible with the scientific needs

  • Some travels in France can be required (less than 5% of the time)

  • Supports Imerys Safety and Health strategy, contributes to achieve related targets

General team responsibilities: 

  • Interprets, evaluates, and communicates research data and results for research projects. (Constantly) 

  • Participates and coordinates, as needed, cross-functional teams for especially complex and new to Imerys projects and technology developments. 

  • Writes research reports to document research results. 

  • Attends technical conferences and carry out active watch related to his field 

  • Perform process engineering modelling

  • Provide lab test plan and make them realised

  • Be able to analyse and make scientific assumptions

  • Project and transversal Management: capacity to lead a technical team

Education and Experience requirements

  • Ph.D. in Science, Mechanical, Chemical or Material Engineering  or related discipline Expertise in fluid dynamic, heat transfer, thermodynamic, combustion, kinetics  and/or process engineering .

  • Experience in H&M balance for complex systems

  • Experience in advanced modelling for 

    • OpenFOAM

    • Ansys Fluent

    • StarCCM+

  • Geometric and mesh design capability for process simulation

  • Knowledge of simulation of multiphase media with heat transfer

  • Knowledge of computational thermodynamics and phase transformations

  • Advanced skills in scripting and tool development in Python

  • Ability to develop simplified models (0D/1D/2D) with “house code”

Knowledge, skills, Imerys Leadership Behaviours 

  • Effective interpersonal and communication skills

  • Team Spirit and collaboration

  • Strong analytical skills

  • Strategic thinking and result oriented

  • Strong ability to communicate and collaborate with different functions

  • Fluent French or English knowledge

  • Project Management (Reporting project progress)


Position Type

Full time



Only technical issues will be monitored through the below inbox:


To ensure fairness and legal compliance in our recruitment processes, only applications received through the online application process will be considered. 

IMERYS is an Affirmative Action and Equal Opportunity Employer and it is our policy to not discriminate against any employee or applicant for employment because of race, color, religion, sex, national origin, age, marital status, sexual orientation, gender identity, genetic information, disability, veteran status, or any other status protected by federal, state or local laws.