Process Commissioning Engineer

Location: Bristol
Duration: 6 months with likely extension
Start Date: January 2027

The Role

An opportunity has arisen for an experienced Process Commissioning Engineer to support a busy programme of wastewater capital investment projects across the region.
Working alongside an established commissioning team, you will take responsibility for delivering process commissioning activities across multiple wastewater schemes, primarily involving phosphorus removal (P-removal) improvements.
This is a site-based contract requiring someone capable of working autonomously and managing commissioning activities from planning through to operational handover.

Key Responsibilities

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  Develop and deliver commissioning plans for new wastewater assets.
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  Lead pre-commissioning, dry testing, wet testing and process start-up activities.
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  Coordinate process optimisation, performance testing and sampling.
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  Produce and review Process Risk Assessments (PRAs), RAMS and commissioning documentation.
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  Manage commissioning resources, costs and delivery schedules.
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  Coordinate with project teams, operational staff, contractors and suppliers.
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  Support outage planning and integration with live operational sites.
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  Ensure compliance with environmental permits, regulatory standards and site safety requirements.
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  Analyse commissioning data and resolve process-related issues.
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  Coordinate operational training, asset handover and final commissioning reports.

Essential Experience

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  Extensive experience in process commissioning within the UK water or wastewater industry.
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  Proven track record delivering commissioning activities on large-scale wastewater projects.
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  Strong knowledge of wastewater treatment processes and associated assets.
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  Experience with phosphorus removal processes would be advantageous.
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  Ability to independently manage commissioning activities with minimal supervision.
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  Strong understanding of RAMS, process risk assessments and environmental compliance.
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  Excellent communication and stakeholder management skills.

Requirements

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  Relevant CSCS card (professionally or academically qualified white card).
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  Able to work predominantly on site across the region.