Mineral Process Engineer (Metallurgist)

Positioned at the intersection of sustainability, technology, and critical resource recovery, pH7 Technologies is tackling urgent global challenges in mining and metal recycling by providing innovative closed-loop metal extraction processes. We are a dynamic, fast-paced company driven by a culture of innovation and collaboration. Our team is committed to attracting and retaining top, diverse talent who share our vision of building a better, cleaner planet.

Job Summary

We are seeking a motivated and hands-on Mineral Process Engineer to support laboratory and pilot-scale hydrometallurgical programs, with a primary focus on column leaching test work and leaching parameter optimization. This role is execution-focused and requires someone comfortable with physical lab work, experimental setup, sampling, and structured data reporting. The successful candidate will report directly to the Senior Process Engineer and play a key role in advancing leaching performance and metallurgical understanding.

What You’ll Do

Column Leaching Operations

• Sample preparation, charge, and operate column leaching systems


• Manage irrigation systems and monitor flow rates


• Collect and log PLS samples


• Monitor and control leaching parameters (pH, ORP, temperature, acid consumption, irrigation rate)


• Perform solid and solution sampling for analysis

Experimental Execution

• Assist with ore preparation (drying, crushing, homogenizing, screening)


• Maintain accurate experimental records and logs


• Support troubleshooting of leaching systems


• Maintain laboratory cleanliness and safety standards

Data Analysis & Reporting

• Compile and interpret ICP and assay data


• Calculate copper recovery, acid consumption, and mass balances


• Track leaching kinetics and performance trends


• Prepare structured weekly technical summaries and reports


• Present findings and observations to senior engineers

What You'll Need

• BSc. or MSc. in Metallurgical Engineering, Mineral Processing or Mining Engineering


• 3–6 years of relevant experience in hydrometallurgy or mineral processing


• Hands-on experience with: Column leaching or heap leaching simulation, acid leaching systems, sampling and metallurgical accounting


• Physically capable of handling materials, lifting samples, and working in lab/pilot environments


• Strong Excel and data organization skills

Technical Skills Required

• Understanding of leaching kinetics and hydrometallurgical fundamentals


• Ability to interpret solution chemistry and metallurgical data


• Basic mass balance calculations


• Familiarity with ICP assay interpretation


• Good documentation and reporting skills

Personal Attributes

• Detail-oriented and disciplined in record keeping


• Comfortable performing repetitive but critical experimental work


• Self-motivated and proactive


• Strong communication skills


• Team-oriented with a strong safety mindset

Working Hours & Environment

This is a full-time, on-site position with pH7 Technologies, based at our Met Lab in New West. Regular on-site presence is required. Occasional travel between pH7 locations within the Lower Mainland may be required to support project and operational needs.

Benefits

• Compensation packages that scale with seniority, including ESOP equity and performance-based bonuses.


• Comprehensive, 100% company-funded extended health and dental coverage


• Access to free and low-cost mental health and wellness resources


• Three (3) weeks of paid vacation


• Ongoing professional development and growth opportunities


• Monthly all-staff team huddles with company updates, team-building activities, and social connection


• Regular opportunities to celebrate team achievements and milestones together

All applicants will be required to participate in a criminal history and credit history background check as part of the onboarding process. All employment offers at pH7 Technologies are contingent upon successfully completing and passing these checks.

pH7 Technologies is an equal opportunity employer. We are committed to creating an inclusive, respectful workplace that values the unique backgrounds, talents, and perspectives of all individuals. We encourage applications from candidates of all backgrounds and lived experiences and welcome those who bring diverse ideas and contributions to our team.