Senior Mineral Processing Engineer

<p>Mangrove Lithium, a Vancouver based company, has developed a breakthrough platform for the most cost-effective production of battery grade lithium hydroxide and carbonate from diverse input streams and assets. Mangrove’s modular solution can be scaled to any capacity and co-located with upstream lithium producers, battery recyclers, or battery manufacturers. The company has attracted funding from Canada Growth Fund, Bill Gates’ Breakthrough Energy Ventures, BDC Capital and BMW I Ventures. The Company has a highly experienced leadership team with a track record of successfully commercializing and deploying industrial technologies and is working towards the deployment of a first-of-a-kind commercial plant.</p>

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<p>Position</p>

<p>Mangrove is seeking a Senior Mineral Processing Engineer to join our Technology Development Department. This role is ideal for a highly experienced engineer with deep expertise in lithium and mineral processing who thrives in hands-on, pilot-scale environments. You will play a key role in designing, scaling, optimizing, and operating advanced chemical processing systems, with a focus on lithium extraction technologies. This is a high-impact position with significant growth potential in the rapidly expanding battery materials sector.</p>

<p>Salary range for this position will be $100 - $140k depending on experience and skills.</p>

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<p>Key Responsibilities</p>

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<li>Lead the operation, optimization, and continuous improvement of spodumene processing circuits, including leaching, solid–liquid separation, and impurity removal, with accountability for plant performance, lithium recovery, throughput, and product quality.</li>

<li>Provide hands-on technical leadership for pilot plant activities, including commissioning, troubleshooting, and debottlenecking, while implementing system upgrades and optimizing operating parameters to improve efficiency, reliability, and cost performance.</li>

<li>Support the design, upgrade, commissioning, and operation of spodumene processing pilot plants, translating lab-scale results into robust, scalable processes.</li>

<li>Contribute to the planning and execution of metallurgical test programs, pilot campaigns, and feasibility studies to validate process design and improve performance.</li>

<li>Develop and review process deliverables, including PFDs, P&amp;IDs, mass and energy balances, and equipment sizing/specifications.</li>

<li>Apply process simulation and modeling tools to optimize system performance and diagnose operational challenges.</li>

<li>Analyze process data using statistical and data-driven methods to improve recovery, throughput, and operational efficiency.</li>

<li>Establish and monitor key performance indicators and implement reporting systems to track plant and pilot performance.</li>

<li>Ensure compliance with safety, environmental, and regulatory standards, and promote a strong safety culture in all pilot plant and processing activities.</li>

<li>Contribute to scale-up strategy and technology transfer from pilot to commercial operations.</li>

<li>Stay current with industry advancements and contribute to continuous innovation in lithium processing technologies.</li>

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<p>Required Qualifications</p>

<ul>

<li>Bachelor’s degree in chemical engineering, Metallurgical Engineering, Mineral Processing, or a related discipline (advanced degree is an asset).</li>

<li>10+ years of industrial experience in mineral and/or chemical processing.</li>

<li>Strong expertise in lithium extraction processes, including spodumene processing, brine pretreatment, leaching, and separation technologies.</li>

<li>Proven experience in process design, hydrometallurgy, flotation, and separation systems.</li>

<li>Hands-on experience with pilot plants, R&amp;D programs, and process scale-up.</li>

<li>Proficiency with process simulation and modeling tools.</li>

<li>Strong analytical, problem-solving, and communication skills.</li>

<li>Self-driven with a practical, hands-on approach to engineering challenges.</li>

</ul>

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<p>Preferred Qualifications</p>

<ul>

<li>Eng. designation (or eligibility).</li>

<li>Advanced knowledge of sustainable lithium extraction technologies.</li>

<li>Demonstrated ability to operate effectively in fast-paced, startup or scale-up environments.</li>

</ul>

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<p>Why Mangrove?&nbsp;</p>

<p>At Mangrove Lithium, our people are at the core of our groundbreaking technology.&nbsp;Here’s&nbsp;why you should join our team:&nbsp;</p>

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<p><em>Competitive Salary:</em>&nbsp;We believe in pay equity,&nbsp;fairness&nbsp;and transparency, and offer competitive salaries that reflect your skills, experience, and contributions.&nbsp;</p>

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

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<p><em>A Learning Organization:</em>&nbsp;We are committed to your professional and career development,&nbsp;providing&nbsp;ample opportunities&nbsp;for learning and growth.&nbsp;</p>

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<p><em>Generous Time Off:</em>&nbsp;Start with three weeks of vacation and an&nbsp;additional&nbsp;week of paid personal days to ensure you have the work-life balance you deserve.&nbsp;</p>

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