Commissioning Engineer

Lead the successful delivery of complex water and wastewater commissioning projects from design through to handover.

Our Client has a requirement for a Commissioning Engineer, who will be required to work on a contract basis in Hertfordshire or Surrey.

Role Purpose:

Provide full lifecycle commissioning input (design through to handover)

Develop commissioning plans and procedures

Undertake hands-on commissioning activities

Conduct FAT/SAT and manage defect close-out

Coordinate installation and commissioning activities, including third-party engineers

Ensure quality, snag-free installation and commissioning delivery

Deliver training to client operations and maintenance teams

Apply structured commissioning approaches with understanding of water/wastewater processes

Perform troubleshooting and apply analytical problem-solving

Ensure consistent technical delivery and application of best practice, technical bulletins, and lessons learned

Job Role Responsibilities:

Monitor supply chain performance against KPIs/KPMs and drive improvement

Promote and implement SHEQ behavioural improvement initiatives

Liaise with design teams, suppliers, and subcontractors to ensure successful equipment setup and commissioning

Verify equipment is FAT tested and snag-free prior to site delivery

Produce timely reports for senior management

Contribute to and manage inputs to the overall project programme

Ensure capture and documentation of installation, testing, and commissioning data

Witness installation and commissioning activities, including subcontractor testing

Support Early Contractor Involvement (ECI) through site surveys and system reviews

Contribute to client reports and management briefings

Review and interpret electrical/mechanical schematics, FDS, P&IDs; initiate design changes where required

Manage process and M&E design, scope, and programme changes; provide weekly updates

Oversee commissioning and systems integration activities across the project lifecycle

Configure and calibrate analytical equipment; integrate with monitoring systems

Provide progress and status reporting to the Core Management Team

Review and approve RAMS for commissioning activities

Supervise and inspect subcontractor installations, ensuring compliance with quality standards and ITPs

Manage installation activities and produce documentation for project close-out

Lead Factory and Site Acceptance Testing (FAT/SAT) in line with ITPs

Coordinate commissioning plans and ensure completion of all associated documentation

Deliver training to operations teams on new process plant and equipment

Act as front-line supervisor during commissioning and installation phases

Ensure safe, compliant, and timely delivery of commissioning activities

Undertake either an electrical AP or mechanical AP role subject to assessment and training

Undertake a front-line supervisor role subject to assessment and training

Experience / Skills / Knowledge / Qualifications:

Experience with a main contractor working on Water and Wastewater Process Engineering projects

HNC / Degree qualified in a relevant Engineering discipline or engineering apprenticeship & NVQ with experience of engineering in a multi-discipline environment

Professional registration & membership is an advantage

Knowledge of the commissioning & installation processes of electrical and mechanical contractors

Proven skills on installation & commissioning projects through to handover

Knowledge of Standards, Safety Rules and Statutory Legislation required on projects

≥3 years’ experience preferably in a commissioning role in the Water Industry

Excellent communication skills and the ability to work within a team environment, although must be able to self-manage

Demonstrate ability to challenge and deliver value engineering solutions

ECS (CSCS) card required

Water Hygiene card required

SSSTS or SMSTS required

BS7671 18th Edition required

First Aid at Work required

CompEx Qualifications preferred

Company information
At First Recruitment Group we understand just how important it is to secure the right people. That is why our Recruitment Consultants always take the time to understand requirements in detail and offer sound advice to both clients and candidates. We actively recruit at all levels and this is a superb opportunity for a Commissioning Engineer looking for new employment.
As part of putting people first, we strive to be an equal opportunities employer and we are always looking to increase the diversity of our workforce, working closely with our clients to ensure everyone is included.