Commissioning Engineer
| Posting date: | 02 March 2026 |
|---|---|
| Salary: | £450.0 to £500.0 per day |
| Additional salary information: | £450 - £500 per day |
| Hours: | Full time |
| Closing date: | 09 March 2026 |
| Location: | Liverpool, Merseyside, L1 0AA |
| Remote working: | On-site only |
| Company: | Hays Specialist Recruitment |
| Job type: | Contract |
| Job reference: | 4761918_1772450250 |
Summary
Your new company
A leading infrastructure delivery partner is supporting a major wastewater programme across multiple North West sites. You will join an established MEICA and commissioning team working on critical upgrades to treatment assets and network communications.
Your new role
As a Commissioning Engineer, you will take ownership of commissioning and troubleshooting Profibus DP/PA networks across several wastewater treatment sites. You will ensure stable communication between PLCs, MCCs, high‑lift pumps, instrumentation and remote I/O, working closely with electrical, ICA and SCADA teams to deliver safe and reliable integration.
Key responsibilities include:
- Commissioning and fault‑finding on Profibus DP/PA networks to ensure robust and stable communication across site assets.
- Verifying network topology, segment lengths, termination, shielding and device addressing in line with project and client standards.
- Integrating and commissioning high‑lift pump systems, including MCCs, VSDs and Profibus‑enabled field devices.
- Carrying out diagnostics using tools such as BT200, ProfiTrace or Siemens PDM to identify bus faults, noise issues and device failures.
- Supporting FAT/SAT activities and validating Profibus communication, redundancy and failover behaviour across multiple sites.
- Working collaboratively with electrical, ICA and SCADA teams to ensure seamless integration into the wider site control architecture.
- Producing commissioning documentation, network test sheets and as‑built Profibus configuration records for compliance and handover.
What you'll need to succeed
- Strong background in Profibus DP/PA commissioning within water, wastewater or similar process environments.
- Experience working on operational sites with a solid understanding of MEICA/ICA interfaces.
- Ability to diagnose and resolve complex network issues using industry‑standard tools.
- Confident producing clear commissioning documentation and test records.
- Full UK driving licence and willingness to work across multiple North West sites.
What you'll get in return
- Up to £500 per day (Outside IR35)
- 3‑month contract with potential for extension
- Opportunity to support a major utilities programme with a leading delivery partner
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