Principal Process Engineer

ASSYSTEM Warrington, England Posted apr 7, 2026

Contract
Onsite
Senior

Job description

This Principal Process Engineer role in Chemical Engineering is focused on principal Process Engineer. It would suit someone who can bring handling site-by-site responsibilities with consistency and care to the role.

Why this role may suit you

Essential Experience & Qualifications: Degree in Chemical Engineering – A formal educational background in Chemical Engineering is a must. Bring your unique contributions and help us shape the future.

What you would be doing

Principal Process Engineer.

The working style that fits

Handling site-by-site responsibilities with consistency and care. Strong professional approach.

What you need

  • Experience with Sellafield Ltd procedures – Familiarity with the procedures for checking and approval within Sellafield Ltd.
  • Competent report writing skills – Ability to document findings clearly and concisely, ensuring all reports are well-structured and easy to understand.
  • Chartered Chemical Engineer – Chartered status with the Institution of Chemical Engineers (IChemE) or Engineering Council (EC) is a plus.

Practical information

  • ️ Mobilisation of residual solids in legacy effluent management tanks.
  • Routing of recovered nuclear inventory for onward processing.
  • Packaging and routing of residual solids for onward encapsulation (ILW and LLW).
  • Produce process engineering deliverables to support the "Appraise and Select" design phase.
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