Primobius is the result of a joint venture between Australian stock exchange-listed Neometals Ltd. and privately owned German plant engineering and technology specialist SMS group GmbH. Primobius offers a unique and sustainable method of recovering valuable lithium, nickel, cobalt, and other materials, for example carbon, from end-of-life or defective lithium-ion batteries (LiBs) from electric vehicles and consumer electronics. The recovered battery materials can be used directly in the production of new batteries.
This unique and advanced recycling solution fits smoothly into the circular economy, ensures that ethically sound materials are used, and helps to reduce not only waste but also our world’s dependence on finite resources.

Become a part of our future at Primobius GmbH in Kuppenheim (Baden-Württemberg) where we're looking for a 

Senior Extractive Metallurgist/Chemist/Process Engineer (f/m/x)


This role is tasked with improving Primobius’ LiB recycling processes from a capital expenditure and operating expenditure, revenue, design and engineering, availability/maintenance, and operability perspective to achieve ongoing product and process enhancements.  Your responsibilities include, among others:

  • Management of relationships with local and global experts, and service providers.
  • Development and review of process design packages including:
  • Process Design Criteria (PDCs)
  • Process Flow Diagrams (PFDs)
  • Piping and Instrumentation Diagrams (P&IDs)
  • Develop and/or review mass and energy balances including on packages such as SysCAD and Metsim.
  • Manage test work program, development designs and execution in collaboration with the project team.
  • Manage in-house and external analysis/laboratory services, vendors and other process testing facilities.
  • Input and support of translation of design into engineering packages.
  • Develop scopes of work, obtain quotes and manage bench scale laboratory and pilot plant programs.
  • Manage campaign/demonstration activities at Primobius’s Demonstration Plant in Hilchenbach, Germany, associated modifications and reporting to all stakeholders.
  • Profile and communicate all LiB feedstock, subsequent process changes and impacts to the team to ensure seamless integration with the Hub.
  • Interface with the plant and infrastructure engineering team (project delivery team) to identify fit for purpose improvements of  hydrometallurgy process designs.
  • Participate in CAPEX, OPEX and revenue estimates for existing and new projects. 
  • Maintain up-to-date records of reports, test results, design documentation and all related company material in the company storage and management system.
  • Undertake hazard reviews including HAZAN and HAZOP processes.
  • Maintain up to date on global new and emerging battery chemistry related flowsheet developments.
  • Manage intellectual property (IP) matters and liaise with the IP lawyers to ensure the matters are up-to-date and relevant ideas are captured. Participate in patent review responses and patent applications.
  • Work collaboratively with the project team to commission and commercially scale up at customers sites globally.


You have completed a degree in chemical/process engineering and/or science qualifications in a chemical/metallurgical field. Postgraduate qualifications favourable viewed. Important to us is:

  • Minimum of 10 years postgraduate experience in related field
  • Demonstrated flowsheet development expertise/skills, with previous experience in solvent extraction through entire life cycle.
  • Fluent in German and English (verbal and written).


As an innovative and internationally active employer, we convince you with performance-based compensation. Additionally, we offer you the opportunity to balance family and work optimally, with flexible working hours and the option of remote work.

Are you keen on shaping the future with us? If so, feel free to send us your online application. Should you have any questions, please do not hesitate to contact us.

Primobius GmbH

HR Management
Amelie Siebenbach