Junior Mineral Processing Engineer

Job location:
Paris, France
Created moment:
October 28, 2022
Job reference:
REQ - 06511

The Company

The world leader in mineral-based specialty solutions for industry, with over 16,000 employees and over 200 sites worldwide, Imerys delivers high value-added, functional solutions to diversified set of industrial sectors, from processing industries to consumer goods. The Group draws on its knowledge of applications, technological expertise and its material science know-how to deliver solutions based on beneficiation of its mineral resources, synthetic minerals and formulations. These contribute essential properties to customers’ products and performance, including refractoriness, hardness, conductivity, opacity, durability, purity, lightness, filtration, absorption and 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 www.imerys.com

The Position

Junior Mineral Processing Engineer

Job Summary

EMILI Project
EMILI Project consists of developing a Lithium Mine, a Beneficiation Plant and a
Hydrometallurgical Plant to produce Lithium Hydroxide. The project is located in
France. The position is based in Paris.
Key figures :
● 1 b€ Investment
● Granite deposit is in Franc containing Li-bearing mica. Resources confirmed by
geological drilling.
● A process to extract lithium from a lepidolite development is under
 The mineral process engineering design will be based on generic mineral
process steps like Crushing, Grinding, Froth flotation, gravity separation, and
possibly magnetic separation.
 The hydrometallurgy process will consist of a leaching process, followed by
a purification step and a crystallization process and shall be selected out of
several process families for further development

Job description
The job description for the position occupied by Junior Mineral Processing
Engineer is the following:
● Participating in processing plant design and optimization;
● Developing process test plans and defining pilot test program;
● Monitoring process laboratory test work, bench scale, including data analysis
and reporting;
● Supervising / taking part in piloting operations, including data analysis and
● Evaluating mineral separation technologies; selecting beneficiation
● Providing technical input to develop complete flow sheet from ROM (Run-of-
Mine) to final concentrate at designed production capacity;
● Providing mineral process engineering support: developing mass, water and
heat balances, block diagrams, flow sheet; drafting or revising Process Design Criteria and Process Philosophy; drafting or reviewing PFDs and PIDs, process equipment data sheets, …

Authority and Relations
● Reporting to the Process Development Director
● Links with R&D laboratories Process Engineers and Project Discipline Engineers

● Based in Paris, with frequent travels in both Europe and/or North America
● Engineering degree in Mining, Metallurgy, possibly with a PhD
● Experience of 3 years as process engineer in mineral processing plant design or
● Safety driven when developing a mineral process
● Eager to develop his abilities in process discipline activities: development of
mass and heat balances, flow sheet, process design criteria, process philosophy;
● Familiar with mineral processing techniques covering comminution,
beneficiation, tailings handling and water management;
● English for oral, read, and written communication. French would be an
● Knowledge of process software (Aspen, Metsim, Syscad or equivalent) would be
a plus.

Position Type

Full time



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recruiting.support@ imerys.com


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.