Senior Process Commissioning Engineer

American Society of Civil Engineers; West of England; On-site; GBP 55,000 - 75,000; Full time

Job summary

American Society of Civil Engineers seeks a Senior Process Commissioning Engineer to join the commissioning team on a major capital programme in Avonmouth. You will lead commissioning plans, risk assessments, and stakeholder interfaces to ensure on-time delivery and regulatory compliance.

The role requires extensive experience in wastewater process commissioning within the UK, plus strong safety leadership and capability to mentor junior engineers on site.

Qualifications

• Extensive multi-year experience in process commissioning on large projects.
• Experience in process commissioning and wastewater within the UK water sector.
• Experience in anaerobic/mesophilic and acid phase digestion.
• Experience in gas production and associated process safety and MOC requirements.
• Technical knowledge of Sequence Batch Reactors, including operation and commissioning.
• Awareness of COMAH is essential.
• Willingness to lead critical hazard studies prior to and during commissioning.
• Level 4 WAMITAB is desirable but not essential.
• Previous experience in laboratory testing of wastewater samples would be advantageous but not essential.
• Strong stakeholder management and communication skills.
• Ability to work effectively with project teams, operations, contractors and suppliers.
• Strong commitment to health, safety and wellbeing.
• The successful candidate will need to be site based.

Responsibilities

• Develop and execute commissioning plans for new wastewater assets.
• Develop and review Process Risk Assessments (PRAs) and RAMS.
• Manage commissioning costs, resources and delivery schedules.
• Support outage planning and live operational integration activities.
• Coordinate project, operations, contractor and supplier interfaces.
• Verify commissioning readiness and site acceptance criteria.
• Supervise pre-commissioning, dry testing and wet testing activities.
• Coordinate process start-up, optimisation and performance testing.
• Develop and manage process sampling and laboratory testing plans.
• Analyse commissioning and performance data to support optimisation.
• Ensure compliance with environmental permits and regulatory requirements.
• Lead pollution prevention and environmental risk mitigation activities.
• Promote and demonstrate strong health, safety and wellbeing leadership.
• Challenge unsafe behaviours and ensure compliance with safe systems of work.
• Deliver operational training and support competency transfer.
• Coordinate asset handover and operational readiness activities.
• Produce commissioning reports, trackers and progress updates.
• Escalate programme, safety and delivery risks where necessary.
• Develop effective relationships with project teams, operations and contractors.
• Contribute to continuous improvement, standardisation and lessons learned.
• Mentor junior engineers and support team capability development.
• Provide technical leadership throughout design, delivery, commissioning and handover.

Skills

Process commissioning

Wastewater UK

Stakeholder management

Health and safety leadership

MOC awareness

Education

Level 4 WAMITAB

Tools

RAMS

PRAs

MOC compliance

Job description

Job Role

Senior Process Commissioning Engineer

Location

Avonmouth - Site Based

Salary

CIRCA £65k + benefits package

About the Role

We are currently looking for an experienced Senior Process Commissioning Engineer to work alongside an existing commissioning team on a major £200m capital investment programme in Avonmouth. This is a flagship programme with significant stakeholder engagement, offering an excellent opportunity for an experienced commissioning professional to take a key role in the successful delivery of the programme.

Key Responsibilities

• Develop and execute commissioning plans for new wastewater assets.
• Develop and review Process Risk Assessments (PRAs) and RAMS.
• Manage commissioning costs, resources and delivery schedules.
• Support outage planning and live operational integration activities.
• Coordinate project, operations, contractor and supplier interfaces.
• Verify commissioning readiness and site acceptance criteria.
• Supervise pre-commissioning, dry testing and wet testing activities.
• Coordinate process start-up, optimisation and performance testing.
• Develop and manage process sampling and laboratory testing plans.
• Analyse commissioning and performance data to support optimisation.
• Ensure compliance with environmental permits and regulatory requirements.
• Lead pollution prevention and environmental risk mitigation activities.
• Promote and demonstrate strong health, safety and wellbeing leadership.
• Challenge unsafe behaviours and ensure compliance with safe systems of work.
• Deliver operational training and support competency transfer.
• Coordinate asset handover and operational readiness activities.
• Produce commissioning reports, trackers and progress updates.
• Escalate programme, safety and delivery risks where necessary.
• Develop effective relationships with project teams, operations and contractors.
• Contribute to continuous improvement, standardisation and lessons learned.
• Mentor junior engineers and support team capability development.
• Provide technical leadership throughout design, delivery, commissioning and handover.

About You

• Extensive multi-year experience in process commissioning on large projects.
• Experience in process commissioning and wastewater within the UK water sector.
• Experience in anaerobic/mesophilic and acid phase digestion.
• Experience in gas production and associated process safety and MOC requirements.
• Technical knowledge of Sequence Batch Reactors, including operation and commissioning.
• Awareness of COMAH is essential.
• Willingness to lead critical hazard studies prior to and during commissioning.
• Level 4 WAMITAB is desirable but not essential.
• Previous experience in laboratory testing of wastewater samples would be advantageous but not essential.
• Strong stakeholder management and communication skills.
• Ability to work effectively with project teams, operations, contractors and suppliers.
• Strong commitment to health, safety and wellbeing.
• The successful candidate will need to be site based.

Equal Opportunity Employer

We are an equal opportunity employer and value diversity in our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.