Mechanical Engineer - Wastewater Treatment Plant Project - London, UK

Protecnium is an international firm specializing in engineering and technical services (www.protecnium.com/en). We are currently looking for a Mechanical Project Engineer to join our team for a major wastewater treatment plant expansion and modernisation project in London, UK (on-site position).

-Position: Mechanical Project Engineer

-Project: Expansion and modernisation of a wastewater treatment plant, including new treatment tanks, advanced wastewater treatment systems, upgrades to existing infrastructure and new pipelines.

-Country: UK

-Location: London, England.

-Estimated Project Duration: 24 months. In general, when the project ends, we try to place the employee on other projects to provide continuity.

-Start Date: ASAP.

-Summary: The Mechanical Project Engineer will support the delivery of a major wastewater treatment infrastructure project, coordinating and overseeing mechanical engineering activities throughout the installation, inspection, testing and commissioning phases.

The selected candidate will work closely with the Mechanical/Engineering Manager, coordinating day-to-day site activities, resolving technical issues and supporting multidisciplinary construction teams.

This is a mid-level engineering position requiring practical experience in mechanical installation and construction, particularly involving pumps, valves, pipework, tanks and water treatment process equipment.

-Main Responsibilities

• Coordinate and supervise mechanical installation activities on site, ensuring compliance with approved drawings, specifications and project requirements.
• Support the Mechanical Manager in the planning, coordination and delivery of mechanical works.
• Review mechanical drawings, technical submittals, equipment specifications and installation procedures.
• Oversee the installation of mechanical equipment and systems, including pumps, valves, pipework, tanks and water treatment process equipment.
• Coordinate with mechanical subcontractors, suppliers and other engineering disciplines to ensure efficient project delivery.
• Monitor construction progress, identify potential issues and propose practical technical solutions.
• Support inspections, pressure testing, equipment alignment, commissioning and handover activities.
• Ensure mechanical works meet the required quality, safety and environmental standards.
• Assist with the preparation and review of method statements, inspection and test plans (ITPs) and technical documentation.
• Provide technical guidance and day-to-day support to Graduate Engineers.
• Participate in site coordination meetings and report progress, technical issues and potential risks to the Mechanical Manager.

-Desirable Experience:

• Previous experience in water or wastewater treatment plant construction projects, preferably in the UK.
• Knowledge of water treatment process equipment, pumping stations, chemical dosing systems and associated mechanical installations.
• Experience coordinating mechanical subcontractors and suppliers.
• Experience supporting mechanical testing, commissioning and project handover.

-Working Hours: Monday to Friday, 9 hours per day (including a 1-hour lunch break).

-Benefits

• Working for an international company currently expanding.
• 22 working days of vacation per year + 8 bank holidays.
• 15 working days of sick leave (100% salary).
• 2 weeks of paternity leave (80% salary).
• Company pension contribution of 3% through Aviva UK, with the option for employees to opt out.
• Round-trip travel at the beginning and end of the project.
• 15 days of hotel accommodation upon arrival.
• Company laptop provided.
• Company phone provided.

Requirements

• Bachelor's Degree in Mechanical Engineering or a related technical discipline.
• 3–5 years of relevant professional experience in mechanical engineering.
• Previous experience in mechanical installation, construction or commissioning activities within industrial or infrastructure projects.
• Knowledge of pumps, valves, piping systems, mechanical equipment and associated installation practices.
• Familiarity with UK engineering standards, quality procedures and site health and safety requirements.
• Ability to read and interpret mechanical drawings, P&IDs, technical specifications and installation documentation.
• Strong coordination, organisational and problem-solving skills.
• Ability to work effectively within multidisciplinary construction teams.
• English: Advanced / C1 level.

The description and conditions indicated here are intended to describe the general nature of the work performed by employees but do not constitute a complete list of responsibilities, duties and general competencies required by the staff. Additionally, they do not establish an employment contract and are subject to modifications as required by the employer.

At Protecnium, we are committed to upholding the highest standards of equality, diversity and inclusion throughout our recruitment processes. We welcome applications from talented professionals of all backgrounds, regardless of age, disability, gender identity, marital or civil partnership status, pregnancy or maternity, race, religion or belief, sex or sexual orientation.

To ensure fairness and accessibility, we also provide reasonable adjustments during the recruitment process. Candidates requiring support are encouraged to let us know at the earliest opportunity.