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Manager, NPI; Mineral Extraction

Job in Singapore, Singapore
Listing for: GRADIANT INTERNATIONAL HOLDINGS PTE. LTD.
Full Time position
Listed on 2026-10-15
Job specializations:
  • Engineering
    Research Scientist, Process Engineer, Chemical Engineering
Salary/Wage Range or Industry Benchmark: 180000 - 260000 SGD Yearly SGD 180000.00 260000.00 YEAR
Job Description & How to Apply Below
Position: Manager, NPI (Mineral Extraction)
Job Overview
  • Own and lead the development of Gradiant’s mineral extraction technologies from laboratory concept through pilot validation, scale-up and commercial deployment, covering extraction, purification, concentration and conversion to the final products.
  • Set the technical direction across extraction routes (e.g. sorbents/ion exchange, solvent extraction, membranes, precipitation/crystallization), lead the R&D team, and serve as the technical authority for customers, partners and internal project teams.
Duties/Responsibilities Technology strategy and roadmap
  • Define and own the technology roadmap for mineral extraction, purification and conversion, aligned with business and market needs.
  • Benchmark competing technologies, evaluate new chemistries (sorbents, extractants, membranes) and partner technologies, and drive IP generation.
Lead R&D team and manage projects
  • Lead and mentor the R&D team across SG and AD Labs (scientists, engineers and interns); set priorities and guide experimental design and data analysis.
  • Oversee planning, budgets, execution and tracking of projects and procurement; liaise with vendors, contractors and internal groups; prepare key presentations and reports for leadership.
Process development and flowsheet design
  • Develop and optimize mineral extraction flow sheets for high recovery and selectivity over competing ions (e.g. Na, K, Mg, Ca,

    B), including impurity control, reagent/solvent management and recycle streams.
  • Perform process modelling, mass and energy balances and techno-economic inputs to produce high-purity final product.
Scale-up and technology transfer
  • Lead the progression from lab and bench scale to pilot and demonstration; design, procure and commission pilot units.
  • Resolve scale-up challenges (e.g. phase separation, solvent loss, sorbent lifetime, fouling, impurity build-up, process stability) and prepare process design packages for engineering and project teams.
Commercialization and customer support
  • Lead end-to-end application studies on real feeds (brines, produced water, leachates) from feasibility through process validation.
  • Support proposals, feasibility studies and performance guarantees; provide on-site commissioning, troubleshooting and optimization at customer plants.
Partnerships and stakeholder engagement
  • Build and manage collaborations with customers, technology providers, universities and suppliers to accelerate technology validation and deployment.
  • Represent Gradiant’s mineral extraction technology in technical discussions with customers, partners and at industry forums.
Qualification, Skills & Experience
  • Ph.D. in Chemical or Environmental Engineering, Chemistry, Hydrometallurgy, Materials Science or a related discipline.
  • Master’s degree with a strong industrial critical-minerals track record will also be considered.
  • Deep expertise in at least one mineral extraction route (solvent extraction, ion exchange/adsorption, membranes or precipitation/crystallization), with working knowledge of the others.
  • Process modelling and flowsheet design(mass/energy balances; tools such as Aspen, OLI or PHREEQC) and analytical methods (ICP-OES/MS, IC).
  • Strong leadership, communication and customer-facing skills; able to translate technical results into business decisions.
  • 10+ years in critical-minerals process development, including 3+ years leading technical teams.
  • Proven track record taking a technology from lab through pilot to commercial or industrial operation.
  • Hands-on experience in plant commissioning, troubleshooting and optimization, and in technology transfer to engineering or customers.
  • Experience with industrial water/wastewater treatment and international customers is an advantage.
  • Preferred, not mandatory:
    Professional Engineer(PE/P.Eng), PMP, Lean Six Sigma or equivalent.
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