Senior Project Manager

Description

• Work closely with the commercial team to procure all mechanical elements, with particular focus on offsite manufacturing, modularisation, and efficient mechanical assembly strategies.
• Ensure mechanical systems integrate correctly into the wider treatment works and associated infrastructure.
• Vet mechanical procurement packages to ensure technical accuracy, compliance, and value for money.
• Provide mechanical engineering input across all project stages—feasibility, outline design, detailed design, procurement, delivery, commissioning, and handover.
• Attend and contribute to internal and external design, planning, and progress meetings.
• Assist in developing commissioning plans and provide mechanical support during system testing and client handover.
• Conduct monthly project reviews and monthly subcontractor performance reviews alongside site management.
• Liaise with civil, electrical, ICA, and process teams to ensure mechanical elements interface correctly.
• Support and mentor junior members of the engineering team when required.
• Support CDM compliance, risk assessments, method statements, and quality assurance procedures.
• Monitor site progress to ensure mechanical installations meet programme requirements, budgets, and technical expectations.
• Represent the company professionally when dealing with clients, suppliers, and stakeholders.
• Participate in factory acceptance tests (FAT), site acceptance tests (SAT), quality inspections, and mechanical audits.
• Monitor and record labour and material usage for prefabricated and on-site mechanical works.
• Oversee the production of mechanical drawings, plant layouts, and prefabrication requirements to ensure coordination and constructability.
• Contribute to a positive, collaborative team environment that supports wellbeing and high performance.
• Promote the adoption of Modern Methods of Construction (MMC), lean principles, production thinking, and efficiency improvements across mechanical work packages.
• Support the Site Manager, Site Agent, and General Foreman with all mechanical installation matters.
• Maintain accurate project records, including mechanical design changes, installation records, testing logs, and O&M documentation.
• Review and interpret specifications, mechanical design drawings, P&IDs, datasheets, and supplier documentation.
• Maintain compliance with WIMES, Water Authority standards, BS/EN codes, DWI considerations, and other industry regulations.
• Support the preparation of mechanical technical submissions and coordinate responses to supplier clarifications.
• Ensure company process documentation and quality management requirements are adhered to during design and procurement phases.
• Conduct regular audits of productivity and support the completion of productivity reporting with site management.
• Ensure adherence to Health, Safety & Environmental systems and contribute to Safe by Design principles.

Requirements

The Project Engineer (Mechanical) plays a key role in the delivery of wastewater infrastructure projects including pumping stations, treatment works, mechanical plant installations, and network improvements. This position requires hands-on mechanical engineering experience within the wastewater sector, with responsibility for coordinating all mechanical engineering activities from pre-contract development through to installation, commissioning, and handover. You will ensure technical compliance, commercial alignment, high-quality engineering outcomes, and effective integration with civil, electrical, and ICA disciplines. The role requires strong organisational capability, attention to detail, a collaborative working style, and an ability to maintain progress across multiple work fronts both on and off site. Hybrid working is available, with travel to sites and the Exeter office when required.

Please note that this role is subject to Baseline Personnel Security Standard (BPSS) clearance which includes identity, employment history, and criminal record checks. Please note we do not have a sponsorship licence.

• HNC/HND or Degree in Mechanical Engineering (or equivalent).
• CSCS card (appropriate level).
• Experience with AMP frameworks for water companies.
• Strong analytical, organisational, and problem-solving skills with the ability to manage multiple workstreams and meet challenging deadlines.
• Experience working within NEC contract environments.
• Minimum 5 years’ experience in mechanical engineering within the water/wastewater industry.
• SSSTS minimum (SMSTS preferred).
• Ability to adapt communication style to suit clients, colleagues, and subcontractors.
• Strong IT skills, including the ability to use company systems and project software.
• Experience with MMC, lean construction, and modularisation strategies.
• Experience in factory inspections, quality audits, and mechanical testing regimes.
• Strong understanding of civil, mechanical, and electrical interfaces within wastewater infrastructure.
• Experience of both pre-production and site-based mechanical engineering delivery.
• First Aid at Work qualification.
• Understanding of BIM, digital engineering tools, and 3D model coordination.
• Commercial awareness with the ability to support quantity surveying and cost management activities.

Benefits

Pay range and compensation package

• Private medical insurance for yourself (with the option to buy family cover)
• Travel insurance
• Flexible and Agile working (dependent on your role)
• Defined contribution pension scheme matched up to 8%
• Enhanced maternity, paternity and parental leave
• Dental Insurance
• 3 additional long service days achieved after 3, 7 and 10 years
• 26 days annual leave (with the opportunity to buy or sell up to 3 days holiday)
• Life Assurance
• Retail vouchers/payroll giving/activity pass for top leisure attractions
• Competitive salary
• 2 days volunteering opportunities
• Professional membership fees
• Flexible Benefits scheme which includes the opportunity to purchase benefits such as:
• Cycle to work scheme
• Critical illness insurance (with option to purchase for your partner)
• Employee Assistance Programme
• Perks at Work Employee discount scheme offering discounts on a range of categories such as electronics, home appliances, food & groceries, car buying, travel, fitness and more

Training + Development

Interview process

Visa Sponsorship

Security clearance