Senior Process Engineer

Job Description
PuriFire Energy
PuriFire is a thermochemical technology start-up pioneering the production of renewable fuels, chemicals and gases. Our patented hydrothermal treatment technology converts various forms of waste carbon using heat and pressure. Our objective is to become the lowest-cost green methanol before 2030.
Developed by a dedicated team of scientists and engineers, PuriFire Energy delivers innovative solutions to address the world’s fuel and energy production challenges.
Our vision is to transform the international energy market by creating an integrated thermochemical treatment pathway that reduces the dependency on fossil and electric power for fuels. We will utilise solar, geothermal, post-combustion and all waste heat sources to accelerate sustainable fuels, chemicals and gas production.
Role Introduction
We are seeking an experienced and motivated Chemical/Process Engineer to play a key role in scaling up our novel climate tech. This position offers a unique opportunity to contribute to the acceleration of our technology through the Technology Readiness Levels. You will play a key role in supporting the design of pilot and First-of-a-Kind commercial plants. This involves building sophisticated models to predict reactor behavior, optimizing gas flows, and advancing our syngas cleanup and methanol production efficiencies.
Key Responsibilities Include:
Play an integral role in the design and development unique green methanol pilot and commercial projects
Project management of scale-up operations from laboratory to pilot project and beyond to First-of-a-Kind (FOAK) commercial plants
Responsible for working with the engineer and scientific team to deliver projects on a timely basis
Design processes to optimise gas flow performance and methanol production efficiency
Liaising with the financial manager to ensure projects are delivered within budget
Develop and implement models to simulate the behaviour of
hydrothermal/chemical
reactors under various temperatures and pressures
Document all design work and process improvements to ensure it meets industry standards and regulatory requirements; Contribute to innovation and patent applications as required.
Coordinate with external suppliers, vendors and third parties to source off the shelf and custom parts
Skills and Experience
Minimum of 7 years experience working on medium to large-scale engineering projects
Degree in Chemical Engineering, Process Engineering, or a related field
Proven experience in modelling and simulation of chemical processes, particularly reactor behaviour, gas flows, and temperature and pressure controls
Knowledge of syngas cleanup and hydrogen production
Strong analytical and problem-solving skills, with the ability to work independently and as part of a team.
Excellent communication and documentation capabilities; ISO 9001 knowledge a plus
What we offer in return:
We provide professional development opportunities to support and enrich career growth trajectories. In addition we provide:
✅ Competitive salary depending on experience
Generous stock options
⌛ Employer pension scheme
Chance to be an early employee in a exciting, fast-growing company
Freedom to innovate and develop new ideas
⏰ Flexible working hours
⭐ 26 days (25 days+birthday) of annual leave + Bank Holidays
Annual personal development budget
Great hardware and access to the best tools to be successful in your role