Process commissioning engineer

Job Title: Process Commissioning Engineer (12 Month Contract) Location: Royston

At Johnson Matthey, your work will matter. As a Process Commissioning Engineer, you’ll join a world leader in platinum group metals with over 200 years of history and innovation. You’ll help tackle the world’s biggest challenges – cutting emissions, powering modern society and enhancing lives – as we continue to apply, refine and recycle metals that matter, for a healthier and more resilient future.

The role:

• Define the systemisation and the approach of the process for pre-commissioning and commissioning activities.
• Obtain agreement/ buy-in from all disciplines within the commissioning team.
• Collation and indexing of project and commissioning handover documentation for the operation and maintenance of equipment, piping and instrumentation.
• Generate commissioning documentation for assigned systems, including but not limited to IQ/OQ/PQ test protocols, IQ/OQ/PQ Completion Certificates, Punch List Register and check sheets for equipment, piping, instrumentation and control systems (IQ Installation qualification, OQ Operational Qualification, PQ Process Qualification).
• Coordinate the creation of SOP and Training Packages for assigned systems.
• Lead the co-ordination of the commissioning activities, monitor process parameters and specifications for all operational processes.
• Troubleshoot issues and recommend process changes as a result of learns through the commissioning process to ensure operations are designed optimally.
• Participate in the escalation of key issues, presenting problem statements and documentation, as well as appropriate proposals for resolution and progress.

Key skills that will help you succeed in this role:

• Educated to degree level in Chemical Engineering or other technical discipline or equivalent experience – Essential.
• Experience (2 to 4 years) in Process commissioning or process operation at plant scale – Essential.
• Experience of structured problem-solving tools and techniques (e.g. RCA, 5 why’s) – Essential.
• Knowledge and operating experience of typical unit operations such as precipitation, filtration, effluent treatment, solids handling and thermal processes – Essential.

What we offer:

We make sure salaries are fair, competitive and aligned to individual roles, experience and responsibilities. We are also supportive of hybrid and flexible working and where applicable, offer life, medical and other benefits that support our employees’ financial and physical wellbeing, such as:

• Retirement savings Share plans
• Saving accounts
• House saving funds
• Life and disability insurance
• Commuter allowances and loans
• Medical plans / health assessments
• Fitness discounts

Ready to make a meaningful impact on your career and the environment? Join us and help shape a sustainable future while advancing your career!

At JM, inclusivity is central to our values. We create an environment where everyone can thrive, embracing diverse perspectives to tackle challenges and ensure all colleagues feel valued and connected.

For any queries or accessibility requirements, please contact We will work with you to make suitable adjustments at any stage of the recruitment process.

All conversations are confidential, and your feedback is welcome to help us provide an accessible and positive recruitment experience.

Johnson Matthey Plc is an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, marriage or civil partnership, pregnancy or maternity, religion or belief.

Johnson Matthey respects your privacy and is committed to protecting your personal information. For more information about how your personal data is used please view our privacy notice: Johnson Matthey Privacy Notice. By applying for this role and creating an account you are agreeing to the notice.

Closing date for applications:

This job advertisement will be posted for a minimum of 2 weeks, early application is advised.

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At Johnson Matthey, your work matters. Join a world leader in platinum group metals and build a career with real impact. You'll help shape solutions to some of the world's biggest challenges – from cutting emissions and powering modern life to supporting life‑saving technologies. Together, we're creating a healthier world through metals that matter.

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