Process Engineer jobs in United Kingdom

Contract | Remote Working | £500-£600 per day (Inside IR35)

An exciting opportunity for a Principal Wastewater Process Engineer to support a major capital delivery programme, working on high-value wastewater infrastructure projects with flexibility to work fully remote, while staying connected to a collaborative UK-based engineering team.

You’ll provide technical leadership across the full project lifecycle – from feasibility and design through to operational support – shaping innovative, sustainable solutions on multi‑million‑pound wastewater schemes.

• Leading wastewater process design through feasibility, outline and detailed design
• Setting technical direction and supporting strategic decision‑making
• Reviewing process models, PFDs, mass balances, P&IDs and supplier proposals
• Ensuring compliance with health & safety, environmental and technical standards
• Driving best‑value, whole‑life and low‑carbon engineering solutions
• Providing expert guidance and mentoring to process engineers
• Attending design reviews to present solutions and manage risk

• Extensive wastewater process design experience
• Degree in a relevant engineering or scientific discipline (Master’s desirable)
• Chartered Engineer or equivalent professional status
• Strong technical leadership, communication and problem‑solving skills

• 💻 Remote working
• 🌊 High‑profile wastewater projects
• 💷 £500-£600 per day (Inside IR35)
• ⏱ 12 months + Long‑term contract potential

We are an equal opportunity employer and value diversity in our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.