Overview
Concrete4Change (C4C) is a pioneering R&D company developing breakthrough technology to permanently mineralise CO₂ in concrete. We are finalising a mini full-flowsheet pilot plant at our Nottingham facility to operate over the next six months and feed into process design documentation and models for a scalable commercial demonstrator.
Position
Senior Process Engineer (Job title flexible). Location: Nottingham, UK. Type: Permanent, Full-Time. Start Date: Immediate.
The Opportunity
Lead our scale-up journey—from lab pilot to commercial demonstration. Reporting to the CTO, you will play a key role in process modelling, pilot operation, scale-up design, equipment selection, and coordination with EPCs, subcontractors, and internal teams. This is an opportunity to apply multidisciplinary engineering skills to a transformative climate technology.
Key Responsibilities
* Process Design & Scale-up
* Collaborate with the CTO to define, optimise, and execute scale-up plans
* Develop process models and design documents, including heat and mass balances, equipment lists and sizing, utility and waste profiles
* Prepare PFDs, process descriptions, preliminary plot plans, techno-economic evaluations
* Identify opportunities for process improvements and integration of chemical recovery steps
* Pilot & Commercial Plant Operations
* Support commissioning, operation, and troubleshooting of the mini-plant
* Ensure learnings from the pilot feed into the commercial plant design
* Manage experimental runs and ensure high-quality data generation
* Oversee maintenance, upgrades, and modifications of pilot systems
* Forecast engineering workload and resource needs
* Lead or support cross-functional teams including subcontractors and EPCs
* Ensure safety, quality, and documentation standards are met
* Project manage engineering tasks, time, and budgets
* Cross-Disciplinary Collaboration
* Work with chemists, mechanical engineers, process control engineers, and plant operators
* Provide clear communication and lead by example
* Support operational safety through systems like permit-to-work and equipment isolation
* Influence technical direction, team structure, and scale-up strategy
Qualifications & Experience
* 10+ years’ experience in process design, commissioning, and scale-up, ideally involving solids handling or mineral processing
* Strong grasp of unit operations and chemical/physical transformations
* Proven ability to manage EPCs, subcontractors, and pilot plant construction
* Experience delivering engineering packages from concept to deployment
* Ability to analyse plant data and implement continuous improvement
* Strong project management and leadership skills
* Experience with Python, Excel, Aspen, Thermoflex, or similar tools
* Exposure to techno-economic analysis and cost modelling
* Knowledge of PLCs, SCADA, electrical systems, and process control
* Fluent in more than one language
* Forklift licence (or willingness to obtain one)
* Experience in carbon capture and mineralisation processes
* Background in concrete or cement chemistry
* Educated to at least BEng/BSc in Process or Chemical Engineering
* Willingness to travel and potentially relocate (future plant expected in UK or EU)
* Bonus scheme tied to key milestones
* Private health insurance & pension plan
* Generous holiday entitlement
* Free food and coffee at the office
* Equity participation opportunities
* Work alongside world-class partners and technology leaders
* Full exposure to a scale-up journey from pilot to full commercialisation
* Unrivalled long-term career progression in climate tech
Seniority
* Director
Employment type
* Full-time
Job function
* Manufacturing, Product Management, and Production
* Industries: Chemical Manufacturing and Chemical Raw Materials Manufacturing
Note: This description excludes boilerplate and unrelated postings to focus on the role and requirements.
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