Intermediate Process Engineer (Scale Up)

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 innovative processing and materials technologies. Role

Overview

We seek an experienced technical

engineer with strong technical hands-on 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 be responsible for planning and executing the 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, thrive in dynamic environments, and prefer

hands-on engineering over theoretical analysis, we want to hear

from you. Key Responsibilities

Execute and

manage 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 Oversee 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

4+ 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, benefits 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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