Senior Process Engineer
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.
Deliver detailed process engineering work: 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
Degree-qualified in Chemical or Process Engineering
Proven experience in process engineering roles within EPC, energy, or industrial sectors
Experience with pressure relief calculations, heat exchanger design, pump/valve sizing
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.