Who are we?
At Mangrove Lithium, we're revolutionizing battery materials with our cutting-edge electrochemical lithium refining platform, producing cost-effective and sustainable battery-grade lithium from diverse sources. Having recently secured C$50M from new and existing investors, including Bill Gates’ Breakthrough Energy Ventures, BMW i Ventures, BDC Capital, and Mitsubishi, we are in the process of building North America's first electrochemical lithium refining plant in Delta, BC. Join us in revolutionizing the lithium supply chain with our groundbreaking technology!

Position

We are seeking a highly skilled R&D Engineer or Chemist (Brine Treatment & Separation Processes) to join our dynamic Technology Development team. The ideal candidate will bring deep expertise in chemical processing, especially in lithium brine pretreatment, crystallization, leaching, and separation technologies. In this critical role, you will support the design, scale-up, optimization, and operation of advanced chemical processing systems with a focus on efficiency, sustainability, and cost-effectiveness. This is an exciting opportunity to make a meaningful impact in the fast-growing lithium-ion battery sector, with strong potential for career advancement.

Salary range for this position will be $80 - $100k depending on experience and skills.

Key Responsibilities:
• Test and select ion exchange resins for specific applications based on performance data.
• Design and execute lab-scale and pilot-scale experiments for lithium brine purification.
• Prepare test solutions, reagents, and compounds, coordinate and guide test procedures.
• Analyze chemical and physical properties of lithium brines and associated compounds.
• Collaborate with scientists and engineers to develop and interpret testing protocols.
• Write technical reports and documentation; develop specifications for products and processes.
• Maintain, troubleshoot, and calibrate laboratory equipment; manage supply procurement.
• Ensure full compliance with laboratory safety protocols and regulatory standards.

Required Education, Skills and Experience
• Bachelor’s or master’s degree in chemical engineering, Chemistry, Mineral Processing, or related field. Higher degrees or certifications are considered a plus.
• Minimum 3 years of industrial or lab experience in chemical or mineral processing, with a strong focus on lithium brine treatment and separation techniques.
• Deep understanding of chemical processes, hydrometallurgy, flotation, and related separation methods.
• Demonstrated experience in data analysis, statistical design of experiments (DOE), and process optimization.
• Hands-on experience with R&D workflows, pilot plant operations, and new product development.
• Strong problem-solving skills, communication abilities, and collaborative mindset.
• Proactive, self-driven, and capable of taking initiative in process improvement.

Desirable Characteristics:
• Advanced knowledge of lithium extraction and sustainable processing technologies.
• High integrity, adaptability, and ability to work well under pressure.


Why Mangrove?
At Mangrove Lithium, our people are at the core of our groundbreaking technology. Here’s why you should join our team:

Competitive Salary: We believe in pay equity, fairness and transparency, and offer competitive salaries that reflect your skills, experience, and contributions. The range for this role is $80K - $100K.

Great Benefits: Enjoy a comprehensive benefits package, including a $500/year Personal Spending Account and an Employee Family Assistance Program to support your well-being.

A Learning Organization: We are committed to your professional and career development, providing ample opportunities for learning and growth.

Generous Time Off: Start with three weeks of vacation and an additional week of paid personal days to ensure you have the work-life balance you deserve.

Join us at Mangrove Lithium and be part of a team that’s driving innovation and sustainability in the battery materials industry. Together, we can power a cleaner, greener future.

Note: This job description is intended to convey information essential to understanding the scope of the position and does not serve as an exhaustive list of qualifications, responsibilities, and duties.