Process System Engineer/Data Scientist

Job description

Hexxcell is seeking to fill a full-time position for a talented Process Systems Engineer/Data Scientist to join our growing and talented R&D team. You will be working in cutting-edge digitalisation projects with Blue Chip companies to solve crucial problems involving the analysis of terabytes of industrial data, supporting them in the Industry 4.0 revolution to a greener and digital future. The successful candidate will work in close collaboration with colleagues and clients to develop, apply and deploy advanced mathematical models of industrial processes that drive significant energy efficiency and environmental benefits.  

About Hexxcell

While the energy transition to renewable energy is on its way and has been significantly accelerated by the current pandemic, our life heavily relies on energy, food, materials, chemicals and pharmaceuticals produced by traditional large-scale industries. If we want to make a real impact on the environment and our society, transitioning these industry to a greener future is paramount.

Hexxcell’s mission is to develop and deploy digital technology to enable and accelerate the process industry’s transition to cleaner, more efficient and profitable operations.

We are a fast-growing company based in Hammersmith, London. The company span-out from Imperial College London acquiring technology developed in a large research project which aimed at improving energy efficiency in oil refineries and cutting their greenhouse gas emissions which accounts for 2.5% of global anthropogenic carbon emissions. We are now a team of passionate and dedicated chemical, mechanical and process systems engineers with a knack for data science and software development.

We developed the first Hybrid Digital Twin for industrial thermal systems incorporating physics-based models with Artificial Intelligence currently used by Blue Chip customers to assess, predict and improve energy efficiency and sustainability of their production plants. This long-lasting positive impact in our customer’s operations enables them to boosted production, saved millions of USD and cut MMTons of CO2 emissions.

Why Joining Us

• Exciting Projects – Work on real-world digitalisation projects with global Blue Chip clients.
• Impactful Work – Help industries reduce energy consumption, improve sustainability, and cut emissions.
• Career Growth – Gain experience in process engineering, data analytics and AI.
• Collaborative Team – Work in a small, fast-paced company with a talented and supportive team.

Responsibilities

• Develop first principles and statistical models for the analysis of industrial plant data, particularly to heat exchanger network and distillation systems
• Devise data-driven operational improvement strategies using proprietary technology and algorithms
• Participate in the development of Hexxcell’s software technology
• Create and deliver reports, technical papers and presentation materials

 Required Qualifications/Skills

• Doctorate degree (PhD) in Process Systems, Chemical or Mechanical engineering
• Experience in developing first-principles dynamic models
• Experience with Machine Learning/Artificial Intelligence algorithms
• Three years’ experience of Python programming
• Excellent communication skills (verbal and written)
• Strong problem-solving skills and ability to work independently
• International travel to attend technical meetings may be required

Desired/Preferred Qualifications

• Three years of relevant work experience
• Fundamental understanding of heat transfer and heat transfer systems
• Experience in heat exchanger design
• Fundamental understanding of distillation systems
• Knowledge of relevant industry standards and engineering software

Extra information

Status

Open

Education Level

Secondary School

Location

Greater London

Type of Contract

Full-time jobs

Published at

01-02-2026

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English