Process Commissioning Engineer
Listed on 2026-07-11
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Engineering
Quality Engineering, Process Engineer, Water Engineer, Civil Engineering
Process Commissioning Engineer - Water / Wastewater
Location: Newport, Wales
Type: Permanent or Contract, Full-Time Site-based with travel
Prefer being on site rather than behind a desk? This is a role where you'll take full ownership of bringing major infrastructure assets into operation.
You'll take newly built treatment systems and turn them into fully operational, compliant assets, working hands-on with process plant, MEICA systems and live environments.
It's a position with real responsibility, high visibility, and the opportunity to see the direct results of your work every day.
Key responsibilities:
- Develop and deliver commissioning strategies for process plant, including sequencing, FAT/SAT and performance testing
- Lead on-site commissioning of process and MEICA assets, ensuring systems meet design intent and regulatory requirements
- Manage commissioning through construction, including outage planning, programme coordination and client liaison
- Produce and manage commissioning documentation (RAMS, ITPs, QA records, handover packs)
- Carry out testing, optimisation and performance validation, including site-based analysis
- Maintain strong safety standards, including process/COSHH compliance
- Coordinate subcontractors and support installation and commissioning interfaces
- Support and mentor junior engineers where required
The work
You'll be delivering a varied mix of projects across:
- Clean water and wastewater treatment works
- Process plant upgrades and new build schemes
- Infrastructure assets, reservoirs and related systems
- HNC / Degree in Mechanical, Electrical, Process or related discipline (or equivalent experience)
- Experience commissioning water or wastewater/process plant
- Strong understanding of MEICA systems within a construction environment
- Proven fault-finding and problem-solving ability
- Experience producing commissioning documentation and deliverables
- CSCS / SSSTS (or willingness to obtain)
- Full UK driving licence and willingness to travel
- Knowledge of P&IDs, process instrumentation and WIMES standards
- Experience working with subcontractors and delivery teams
Financial & benefits
- Salary up to 60,000 + package
- Pension matched between 4.5% - 7%
- Annual bonus scheme
- Professional membership fees paid
Work-life balance & wellbeing
- 33 days holiday (with buy/sell options)
- Private medical, life assurance and health screening
- Flexible working arrangements
Family & flexibility
- 26 weeks' paid maternity/adoption leave
- Enhanced paternity/partner leave
- Additional leave for carers
Development & progression
- Structured training, mentorship and cross-discipline exposure
- Early responsibility and ownership of projects
- Clear progression into Senior or Lead Commissioning roles
- Long-term pipeline of secure AMP framework work
This is a role where you'll move beyond supporting delivery and instead own the stage where projects are proven, tested and brought to life.
If you enjoy solving problems on site, working with real assets, and making sure systems actually perform as designed, this is a genuinely rewarding opportunity.
If this aligns with your experience, apply now or get in touch for a confidential discussion.
Leon Smith
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