Principal Process Engineer

JR United Kingdom; London; On-site; GBP 70,000 - 100,000; Full time

Job summary

A pioneering organisation is seeking a Principal Process Development Engineer to transform materials for a sustainable future. You will lead the optimisation and scale-up of innovative chemical processes from the lab to commercial deployment, guiding projects while mentoring junior engineers.

Benefits

Opportunity to shape innovative technology

Leadership role in a growing team

Access to cutting-edge facilities

Competitive salary and benefits

Qualifications

• 10+ years experience in process development and scaling.
• Deep knowledge in chemical process design and equipment implementation.
• Comfortable running Aspen simulations and leading teams.

Responsibilities

• Lead development, optimisation, and scale-up of chemical processes.
• Manage process design, risk assessments, and equipment commissioning.
• Mentor junior engineers and champion process innovation.

Skills

Chemical process design

Scale-up

Aspen simulations

Techno-economic evaluations

Multidisciplinary team leadership

Process innovation

Job description

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I am looking for a Principal Process Development Engineer to join a pioneering organisation is on a mission to transform materials and processes for a sustainable future. They focus on developing and commercialising ground-breaking technologies that rethink how materials are made, used, and reused - combining science, innovation, and environmental purpose. With a rapidly evolving R&D and scale-up pipeline, they’re looking to grow their expert team to deliver real-world impact across industries.

What You Will Be Doing?

As the Principal Process Development Engineer, you’ll lead the development, optimisation, and scale-up of novel chemical processes from lab bench to commercial deployment. You’ll guide projects from concept through pilot-scale, managing process design, risk assessments, and equipment commissioning. Your role will be hands-on and strategic, working across internal teams and external partners to deliver technically robust, safe, and scalable solutions. You’ll also mentor junior engineers and champion process innovation using both experimental and digital tools.

What They Are Looking For?

They are looking for a seasoned chemical/process engineer with at least 10 years of experience in process development and scaling projects from Lab to Industrial scale. They are looking for someone who can bring deep knowledge of chemical process design, scale-up, and equipment implementation. You will need to be comfortable running Aspen simulations, conducting techno-economic evaluations, and leading multidisciplinary teams as well as having worked across a wide range of unit operations and are passionate about innovation, sustainability, and seeing ideas through to commercial reality.

What You Will Get in Return?

• The opportunity to shape truly innovative technology with global sustainability impact
• A leadership role in a growing team with meaningful technical influence
• Access to cutting-edge facilities and a collaborative, mission-driven environment
• Competitive salary and benefits tailored to experience

What's next?

If this looks good to you then please apply to the role.