Senior Process Engineer

JR United Kingdom; Immingham; On-site; GBP 50,000 - 70,000; Full time

Job summary

A well-established engineering consultancy is seeking a Senior Process Engineer to lead high-impact energy and industrial projects. This role involves delivering detailed process engineering work, mentoring junior engineers, and ensuring compliance with UK regulations. If you're ready to advance your career in a forward-thinking team, apply now.

Qualifications

• Degree-qualified in Chemical or Process Engineering.
• Proven experience in process engineering roles within EPC, energy, or industrial sectors.
• Strong knowledge of UK legislation and compliance (HSE, ATEX, etc.).

Responsibilities

• Deliver detailed process engineering work: PFDs, P&IDs, datasheets.
• Carry out process simulations and hydraulic modelling.
• Mentor and review work from junior engineers.

Skills

Process simulations

Equipment sizing

Safety/compliance studies

Communication

Team leadership

Education

Degree in Chemical or Process Engineering

Tools

Aspen HYSYS

FlareNet

Excel-based tools

Job description

Social network you want to login/join with:

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.