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North East Lincolnshire (with UK-wide project exposure)
Permanent | Full-Time
Competitive salary + benefits
iO Associates are supporting a well-established engineering consultancy as they seek to appoint a Senior Process Engineer into their process design team. This role offers the opportunity to lead high-impact energy and industrial projects from concept through to delivery.
As a senior technical figure, you'll be responsible for process simulations, equipment sizing, relief systems, and safety/compliance studies, while guiding junior engineers and acting as a key interface with multi-disciplinary teams and clients.
Key Responsibilities:
* Deliver detailed process engineering work: PFDs, P&IDs, datasheets, calculations
* Carry out process simulations and hydraulic modelling using Aspen HYSYS, FlareNet, and Excel-based tools
* Develop energy/mass balances, relief system design, and pressure drop calculations
* Contribute to HAZOP, LOPA, SIL, and DSEAR studies across projects
* Ensure alignment with environmental standards, ATEX/DSEAR compliance, and regulatory frameworks
* Support proposal development, scope definition, and technical input during FEED, EPC, and commissioning stages
* Mentor and review work from junior engineers, ensuring quality, accuracy, and safety standards are maintained
What You'll Bring:
* Degree-qualified in Chemical or Process Engineering
* Proven experience in process engineering roles within EPC, energy, or industrial sectors
* Strong working knowledge of UK legislation and compliance (HSE, ATEX, etc.)
* Advanced user of AspenTech tools, including HYSYS and FlareNet
* Experience with pressure relief calculations, heat exchanger design, pump/valve sizing
* Excellent communication and team leadership skills
If you're looking to take the next step in your process engineering career—working on technically complex, safety-critical, and high-value UK projects—this is a standout opportunity to join a forward-thinking and well-respected team.
Apply now or contact Tommy Collishaw at iO Associates for a confidential discussion.
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