Senior Mechanical Engineer

JN Bentley; United Kingdom; On-site; GBP 60,000 - 85,000; Full time

Job summary

JN Bentley Ltd is seeking a Senior Mechanical Engineer to lead on-site delivery of MEICA projects across the South of England. You’ll drive design integration with construction and commissioning, ensuring safety, quality and timeliness throughout the project lifecycle.

You’ll mentor engineers, manage QA/QC via ITPs and documentation, and coordinate with stakeholders to meet client expectations. A CSCS card and a degree in Mechanical Engineering are essential, with willingness to travel to sites

Qualifications

• CSCS qualification is required.
• HNC / Degree in Mechanical Engineering or related field (or equivalent).
• Working towards professional registration with an appropriate body.
• Knowledge of MEICA construction and relevant British & International Standards.
• Willingness to travel to sites across your operational region.

Responsibilities

• Deliver mechanical installations on process plants, integrating design, construction and commissioning.
• Lead QA/QC through ITPs, acceptance documents, and completion documentation.
• Commission mechanical plant and perform performance testing.
• Support and develop Mechanical Engineers within the team.

Skills

Excellent organisation

Problem solving

Effective communication

Education

HNC / Degree in Mechanical Engineering or related field

Job description

MMB has been named a capital delivery partner on two multi-million-pound ‘lots’ that will see the company deliver projects across the region through to 2030 - with the potential for a five-year extension into AMP9 thereafter.

Wessex Water serves 2.9 million customers with water and sewerage services across the southwest of England. Set for record investment in AMP8 – more than double that of AMP7 – MMB will bring its strong track record of innovation and direct-delivery to drive a programme of work to improve water and wastewater treatment, water and wastewater networks, storm overflows, flooding resilience, and bioresources.

With sites located across the South of the region including; Poole, Dorset and Bournemouth.

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.

As a Senior Mechanical Engineer you'll work on projects that make a real difference to our environment and our communities - from improving flood defences, to upgrading water treatment works and providing nature‑based solutions that improve biodiversity.

You will play a pivotal role in shaping the mechanical functions throughout the lifecycle of various projects. From concept design to commissioning, you will ensure that all mechanical aspects are meticulously considered and integrated.

The role of a Senior Mechanical Engineer includes:

• Deliver mechanical installations on process plants, integrating design, construction and commissioning, and supporting pre‑construction activities including design input, QA, procurement and commercial support
• Contribute to framework and project safety procedures, and manage construction‑phase activities such as outage planning, subcontractor oversight, programme management and mechanical/process safety
• Lead Quality Assurance through ITPs, acceptance documents, training materials, completion documentation and defect management, driving a strong QA/QC culture
• Commission mechanical plant, manage performance testing, and ensure projects are delivered to “As Constructed” status with accurate completion documentation
• Support and develop Mechanical Engineers within the team

What you’ll need:

• CSCS
• HNC / Degree in Mechanical Engineering or related field, or equivalent experience
• Working towards professional registration with an appropriate body
• Understand civil engineering principles and MEICA construction
• Understanding of relevant British & International Standards with a good knowledge of Client and WIMES standards
• Excellent organisation and problem‑solving skills
• Ability to communicate effectively with team members and stakeholders
• A valid driving licence and willingness to travel to sites across your operational region

What would be desirable:

• Experience working with pumps, pipework, valves, screens, scrapers, mixers, blowers would be beneficial
• May suit persons with a previous background in mechanical quality assurance, a supervisory role in mechanical process installation or technical role at a process plant supplier.

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.

Our application process has been carefully designed to enable us to assess your own skills, abilities and personality. Whilst we are fully embracing the responsible use of AI as an organisation, we recommend you don't rely solely on this technology to generate your application.