London (with site travel as required)
45 hours per week

Overview

We are seeking an experienced Commissioning Engineer to join a major main contractor delivering complex water and wastewater process engineering projects . This role is critical to ensuring safe, compliant, and right‑first‑time installation, testing, and commissioning from design through to handover.

You will play a leading role across the full commissioning lifecycle, working closely with design teams, suppliers, subcontractors, and client stakeholders to deliver high‑quality outcomes.

Key Responsibilities

Commissioning & Technical Delivery

• Provide full lifecycle commissioning input from design through installation, testing, commissioning, and handover.
• Develop and implement commissioning plans, procedures, and documentation.
• Undertake hands‑on commissioning activities across electrical, mechanical, and process system...