Sixone’s mission is to enable a world where blended plastics products can be circularly recycled back into existing supply chains instead of being sent to landfill. Sixone is a leading technology startup company developing advanced recycling technologies for blended plastics and plastic-based products. The technology applies process digitalization and advanced analytics to build a recycling system to enable efficient plastics recycling. Our goal is to revolutionize the economics of recycled materials through creative processing and materials technologies.
Role Overview: We seek an experienced chemical/process engineer with strong technical engineering skills, chemical and materials processing , structured problem-solving, and effective communication to join this dynamic, diverse, and forward-thinking technical team. You will play a pivotal role in translating the company’s technologies into large-scale facilities. You will support planning and execution of scale-up tasks, hardware de-risking, working closely with cross-functional teams, stakeholders, and external vendors to ensure technical robustness and communication, and resolving challenges that arise during the project lifecycle. If you are energized by active problem-solving and thrive in dynamic environments, we want to hear from you.
We operate on a hybrid schedule (4 days in the office, 1 day remote) to keep our collaboration tight and our momentum fast.
Key Responsibilities Complete engineering design calculations (heat & mass balances) and create typical engineering design deliverables, BFDs, PFDs, datasheets and reports etc.
Support and lead scale-up tasks, including equipment design, development, testing, and optimization.
Conduct on-site troubleshooting to address technical and operational issues.
Perform process diagnostics and structured problem-solving to ensure robust process design and performance




Support process integration and planning for optimized operations.
Develop clear and actionable technical documentation and maintain effective inter- and intra-team communication to ensure clarity and cross-team alignment.
Improve engineering practices through detailed technical analysis and direct engagement with external equipment and process vendors.
Foster a pro-active, hands-on culture of accountability, innovation, and continuous improvement.
Collaborate with technical and business teams and other stakeholders to align technical developments with long‑term goals and strategies.
What We Are Looking For 6+ years of process engineering, chemical engineering, or materials science, with strong expertise in chemical or materials processing
Proven experience having direct involvement in supporting practical engineering projects, technology scale-up, process design and optimization, or engineering construction
Ability to troubleshoot complex engineering challenges and translate technical data into actionable insights through direct engagement
Excellent attention to detail, structured problem-solving skills, and a pro-active mindset
Strong communication skills and ability to work across multidisciplinary teams
Experience in chemical recycling, polymer processing, or waste management is a plus
Eligibility to work legally in Canada.
Why Join Us? We offer a dynamic environment with opportunities for professional growth, technical challenges, and leadership experience. Our team values communication, teamwork, and rigorous problem-solving to tackle industry challenges. We offer a competitive salary, advantages package, and opportunities for career advancement. Be part of a pioneering company driving the future of chemical recycling and sustainability and contribute to solving real-world environmental challenges while working with passionate and dedicated colleagues.

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📌 Intermediate Process Engineer (British Columbia)
🏢 Sixone Labs
📍 British Columbia