Chemical Engineer

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

pH7 Technologies is seeking a

Chemical Engineer

to support the design, development, and optimization of hydrometallurgical processes. This role will play a key part in advancing our closed-loop metal extraction technologies, with a focus on electrochemical systems, ion exchange, and solvent extraction processes. The Chemical Engineer will contribute to process design, pilot plant operations, and scale-up activities, working closely with internal teams, consultants, and vendors to translate innovative concepts into reliable and efficient commercial solutions.

What You’ll Do

Hydrometallurgical Operations

• Design and optimize electrolyser systems
• Develop and optimize ion exchange resin processes
• Lead and support solvent extraction (SX) circuit design and test work
• Analyze process data and optimize operating parameters
• Perform troubleshooting and root cause analysis
• Communicate with consultants and vendors and report to metallurgical lab manager

Process Design & Engineering

• Develop Process Flow Diagrams (PFDs)
• Develop and update Piping & Instrumentation Diagrams (P&IDs)
• Perform mass balance (MB) and water balance calculations
• Conduct equipment sizing and specification (pumps, tanks, mixers, columns, heat exchangers, electrolysers)
• Prepare process design criteria and technical documentation
• Support scale-up from lab/pilot to commercial design

Reporting & Technical Documentation

• Prepare detailed technical reports and design memoranda
• Conduct techno-economic assessments
• Support HAZOP and safety reviews
• Maintain structured process documentation

What You'll Need

• MSc. in Chemical Engineering, Materials Engineering, or Mineral Processing
• Minimum 7 years of relevant industry experience

Strong experience in:

• Electrochemical processes / electrolysers
• Ion exchange systems
• Solvent extraction (hydrometallurgy preferred)
• Process design and scale-up

Technical Competencies Required

• Strong knowledge of: Hydrometallurgical process flowsheets, Mass and energy balance development, Equipment sizing and specification, Process simulation tools (e.g., METSIM, HSC, Aspen – asset)
• Proficiency in Excel-based modeling and data analysis
• Experience with pilot plant operations
• Strong technical writing skills

Preferred Skills

• Experience in copper or base metal hydrometallurgy
• Experienced with SX/EW, IX, solution chemistry, and analytical interpretation
• Knowledge of environmental and sustainability considerations
• Professional reporting and communication skills
• EIT or P.Eng. eligibility (asset)

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.