Process Commissioning Engineer

ZipRecruiter; Toronto; On-site; CAD 70,000 - 110,000; Full time

Job summary

An innovative firm is looking for a Process Commissioning Engineer to play a pivotal role in a high-profile wastewater treatment project. This position offers the chance to ensure that critical infrastructure meets specifications, providing essential services to the community. The ideal candidate will have a strong engineering background, particularly in wastewater treatment, and will be responsible for managing the commissioning of process plant systems. With a focus on safety and performance, this role is perfect for those who thrive in dynamic environments and are eager to make a significant impact in the water industry.

Qualifications

• Background in process, chemical, or mechanical engineering required.
• Previous commissioning experience in wastewater treatment is essential.

Responsibilities

• Lead commissioning of process plant systems at wastewater treatment sites.
• Ensure systems meet performance criteria through functional testing.

Skills

Problem-solving

Communication

Understanding of water process systems

Instrumentation knowledge

Education

Degree in Process, Chemical, or Mechanical Engineering

Tools

MCCs

Instrumentation

Pumps

Valves

Job description

Job Description

Process Commissioning Engineer – Water Industry

About the Role:

We are seeking a Process Commissioning Engineer to support the commissioning phase of a high-profile wastewater treatment project within the Southern Water region. This is an excellent opportunity to play a critical role in the delivery of vital infrastructure, ensuring new and refurbished process systems perform to specification. Our client is open to considering Mechanical Commissioning Engineers with a solid understanding of wastewater treatment processes and a proactive, solution-driven mindset.

Key Responsibilities:

1. Lead and manage the commissioning of process plant systems across wastewater treatment sites.
2. Interpret P&IDs and commissioning documentation to deliver end-to-end system validation.
3. Liaise with design, construction, and operational teams to support a seamless handover.
4. Undertake functional testing, cause & effect testing, and ensure systems meet performance criteria.
5. Troubleshoot issues related to process performance, instrumentation, and system control.
6. Provide technical input into design reviews, plant optimisation, and commissioning strategy.
7. Ensure all activities are carried out in accordance with health & safety and environmental standards.

Requirements:

• Background in process, chemical, or mechanical engineering.
• Previous commissioning experience within wastewater treatment or similar process-heavy environments (e.g., sludge handling, chemical dosing, biological treatment).
• Strong understanding of water process systems and flow paths.
• Familiarity with MCCs, instrumentation, pumps, valves, and treatment processes.
• Excellent problem-solving and communication skills.
• CSCS or EUSR Water Hygiene card.