Principal Mechanical Engineer – Water / Wastewater

JOBS247 INC LTD; Manchester; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

26+ days annual leave

Flexible working

Chartership support & global mobility

Job summary

JOBS247 INC LTD in the United Kingdom is seeking a Principal Mechanical Engineer to lead multidisciplinary water and wastewater design across the full project lifecycle. The role requires strong UK water industry knowledge and a track record of delivering complex mechanical packages.

You will coordinate with process, civil, electrical, and construction teams, mentor engineers, and drive risk management, value engineering, and design reviews.

Qualifications

• 8–10+ years of relevant mechanical engineering design experience.
• Background from water, wastewater, biosolids/bioresources or oil & gas.
• Strong understanding of UK water industry standards, CDM 2015, safety-by-design, regulatory drivers and delivery models.
• Experience delivering AMP8, WINEP, SRO, D&B, framework, alliance or contractor-led projects.
• Experience modelling, automation, BIM/3D coordination, data analysis or standardised workflows.

Responsibilities

• Lead mechanical design delivery on water/wastewater projects across full design lifecycle.
• Lead mechanical input to optioneering, value engineering, design reviews, HAZOP/SWIFT, constructability, maintainability.
• Review and approve mechanical calculations, specifications, datasheets, reports, P&IDs, layouts.
• Provide technical assurance and support project managers with risk, scope, resourcing, programme and change control.

Skills

Water/wastewater background

Mechanical design experience

Regulatory knowledge

BIM/3D coordination

Data analysis

Tools

BIM

3D coordination tools

Data analysis tools

Job description

This Principal Mechanical Engineer - Water / Wastewater position focuses on driving multidisciplinary coordination across Process, EICA, civil/structural, architectural, MEP, construction and operations teams.

Our commitment is translated in the work carried out by our Egis Foundation, which funds concrete actions to address the climate crisis and is focused on educational and social initiatives that will help in the responsible and sustainable shift towards a sustainable world.

The work

• Lead mechanical design delivery on multidisciplinary water/wastewater treatment projects across the full design lifecycle
• Lead mechanical input to optioneering, value engineering, design reviews, HAZOP/SWIFT, constructability, maintainability and com
• Review and approve mechanical calculations, specifications, datasheets, reports, P&IDs, layouts, schedules, drawings and supplier/contractor sub
• Provide technical assurance and support project managers with technical risk, scope, resourcing, programme and change control
• As part of our team, you’ll have a unique opportunity to use your

Working details

• Work model: Hybrid

Experience that matters

• Please note that you must have the right to work in the UK to be considered for this position
• Background must be from water, wastewater, biosolids/bioresources or oil & gas
• Typically 8–10+ years’ relevant mechanical engineering design experience
• Strong understanding of UK water industry standards, CDM 2015, safety-by-design, regulatory drivers and common delivery models
• Top Employers 2025 - Egis recognised across four continents for excellence in HR practices, having been awarded the prestigious Top Employer 2025 certification
• Applying modelling, automation, BIM/3D coordination, data analysis or standardised workflows
• You’ll need experience delivering AMP8, WINEP, SRO, D&B, framework, alliance or contractor-led projects

Benefits

• 26+ days annual leave plus bank holidays
• Flexible working
• chartership support & global mobility