Senior Process Commissioning Engineer

Mott MacDonald Bentley is a design and build business combining the design expertise of Mott MacDonald with the contracting experience of JN Bentley, operating across water, energy and environment sectors throughout the UK. With an annual turnover surpassing £500 million, Mott MacDonald Bentley cements its position as a leader within the industry. The sustained, robust business performance creates an ideal environment for career growth.

Engineering is at the very core of what we do. Be it civil, mechanical or electrical, our engineers are based on site and play a practical, hands‑on role in the successful delivery of projects.

We have been named a partner on a new AMP8 framework with United Utilities, which will extend our relationship for at least the next five years. The partnership is set to be responsible for over £3bn of major infrastructure in the North West of England. Investment includes upgrades to wastewater treatment works and reducing storm overflows through the delivery of the largest spill reduction programme in the UK, protecting more than 500km of rivers and bathing waters.

The Role Of a Senior Process Commissioning Engineer Includes

• Manage contractors and technical delivery across instrumentation, industrial networks, LVDBs/MCCs, PLCs and SCADA installations
• Lead process commissioning activities, including developing commissioning plans and integrating design, construction and commissioning
• Support pre‑construction through surveys, scoping and compliance, and oversee outage planning, maintenance requirements, SSOW and RAMS
• Drive QA through ITPs, acceptance documents, training materials and completion documentation, while managing “As Constructed” commissioning records
• Deliver functional commissioning of electrical assets and instrumentation, perform sampling and lab analysis, and maintain regulatory outputs
• Lead and mentor Process Commissioning Engineers, chair commissioning/outage meetings and build strong client relationships

What You’ll Need

• CSCS and SSSTS
• HNC/Degree in Mechanical, Electrical or Process Engineering (or equivalent experience)
• Working toward professional registration
• Strong understanding of civil engineering principles and MEICA construction
• Good knowledge of process instrumentation, P&IDs, and relevant UK/international standards (including Regulatory, Client and WIMES)
• Excellent organisational, problem‑solving and communication skills
• Full UK driving licence and willingness to travel within the region

What Would Be Desirable

• Prior experience working with pumps, pipework, valves, screens, scrapers, mixers, blowers would be beneficial

What’s In It For You

Alongside our significant training and development investment, bespoke progression plan and support to achieve professional chartership, we offer a wide range of financial, lifestyle, health and wellbeing benefits that you can tailor to your needs. To view our full range of benefits, please see the Bentley benefits brochure attached.

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