Mechanical Engineer
NES Fircroft · London, England ·
Last confirmed by our partners on 22 Oct 2026.
Overview
In this role, you will deliver mechanical design and technical documentation for high-profile water treatment projects across the UK. You join a multidisciplinary team to shape design, specification, procurement, and commissioning of mechanical systems for critical water infrastructure. You will work across the project lifecycle, supporting design reviews, supplier engagement, and handover readiness. This is an opportunity to contribute to major schemes from concept to commissioning, within a growing engineering-focused organisation.
Pay / Benefits
- competitive salary
- comprehensive benefits package
- long-term career development
- exposure to full project lifecycle
- opportunity to work on high-profile UK projects
Responsibilities
- Develop and review mechanical designs and technical docs
- Create and assess P&IDs, equipment datasheets, and specs
- Support process and hydraulic design activities
- Size, specify and select mechanical process equipment
- Support procurement and supplier engagement for equipment
- Coordinate with Process, Civil and EICA teams
- Participate in multidisciplinary design reviews and workshops
- Provide construction and commissioning support
- Assist with inspections, testing, and handover activities
- Identify risks and opportunities for continuous improvement
Key requirements
- Degree in Mechanical Engineering or related discipline
- Minimum 5 years experience in water or wastewater sector
- Strong understanding of mechanical equipment used in treatment facilities
- Experience producing engineering documentation and P&IDs
- Knowledge of equipment procurement and supplier engagement
- Experience supporting construction, installation and commissioning activities
- Excellent communication and stakeholder management skills
- Excellent communication
- Stakeholder management
- Cross-functional collaboration
- P&IDs
- Equipment datasheets and technical specifications
- Process and hydraulic design
Market data from EasyWorkClub, not from the employer
Typical pay for Mechanical engineer in London: £42,500 – £62,500, from 173 adverts
232 live adverts for Mechanical engineer in London
Same role within 50 km
- Mechanical Shift Engineer · City of London · 2 km
- Water Treatment / Mechanical Engineer · Belgravia · 2 km
Remote or home office in 11% of 279 Mechanical engineer adverts we list nationwide
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