Principal Process Engineer

Principal Process Engineer £75,000+ (DOE) + 37 Days Holiday + Progression + Leadership Role + Pension Bristol (On-site) Are you a senior Process Engineer looking to take full ownership of scaling a breakthrough chemical technology from pilot through to commercial readiness? This is a rare opportunity to step into a principal-level leadership role within a fast-growing, venture-backed climate tech company developing innovative chemical recycling processes to recover high-value carbon fibre for reuse across aerospace, defence, and industrial sectors. Following significant recent funding, the company is entering a critical phase - commissioning its first pilot-scale processing line in Bristol. You will take ownership of the engineering programme, leading scale-up from process development unit through to full pilot operation and beyond. The Role Lead pilot plant build, commissioning, and ongoing process development Own scale-up strategy, engineering deliverables, and core process documentation (PFDs, P&IDs, balances) Translate lab chemistry into safe, reliable pilot-scale operations (including HAZOP & DSEAR ownership) Drive process performance, continuous improvement, and lead/develop the engineering team in line with technical strategyThe Person Chartered Engineer (CEng) or working toward it (IChemE, IMechE or similar) Significant experience in process engineering within industrial environments (chemicals, materials, or similar) Strong process design capability (P&IDs, PFDs, mass & energy balances) Experience across scale-up stages (lab ? pilot ? industrial) HAZOP leadership experience (chairing or co-chairing)Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles. The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set and will be decided by our client, the employer. Rise are not responsible or liable for any hiring decisions made by the end client. We are an equal opportunities company and welcome applications from all suitable candidates