Principal Mechanical Engineer Water Wastewater

About the Role

The UK water sector is entering a period of unprecedented investment and transformation. As Egis accelerates the growth of its Water Business in the UK we are building a high-performing Mechanical Engineering team to help shape this next chapter.

We are inviting applicants who want to play a meaningful role in delivering major water and wastewater programmes in the UK. Working within a collaborative multidisciplinary environment you will contribute to technically robust sustainable and innovative treatment solutions across nationally significant projects.

This is a rare opportunity to join at a key stage of our UK growth journey helping to establish shape and expand a Mechanical engineering capability built on Egis global infrastructure expertise and long-term commitment to the sector.

Key Responsibilities

• Lead mechanical design delivery on multidisciplinary water/wastewater treatment projects across the full design lifecycle.
• Act as mechanical technical lead on projects owning design strategy key decisions interfaces risks and quality of deliverables.
• Review and approve mechanical calculations specifications datasheets reports P&IDs layouts schedules drawings and supplier/contractor submissions.
• Lead equipment selection and mechanical design for pumps pipework valves tanks lifting systems packaged plant treatment equipment and associated process systems.
• Lead mechanical input to optioneering value engineering design reviews HAZOP/SWIFT constructability maintainability and commissioning reviews.
• Drive multidisciplinary coordination across Process EICA civil/structural architectural MEP construction and operations teams.
• Promote lean and digitally enabled delivery through standardised tools BIM/3D coordination hydraulic analysis data-led design and reusable templates.
• Provide technical assurance and support project managers with technical risk scope resourcing programme and change control.
• Mentor and manage engineers where appropriate supporting recruitment development and chartership progression.
• Contribute to bids client engagement opportunity shaping and growth of the mechanical capability.

Qualifications :

Minimum Requirements

• BEng/MEng or equivalent in Mechanical Engineering.
• Chartered Engineer or Incorporated Engineer status with a relevant professional institution such as IMechE.
• Typically 810 years relevant mechanical engineering design experience.
• Background must be from water wastewater biosolids/bioresources or oil & gas.
• Proven ability to act as mechanical discipline lead or senior technical lead on multidisciplinary projects.
• Strong technical expertise in mechanical treatment/process systems including equipment selection pumping pipework valves hydraulics layouts and packaged plant.
• Strong understanding of UK water industry standards CDM 2015 safety-by-design regulatory drivers and common delivery models.
• Ability to coordinate multidisciplinary interfaces and resolve complex mechanical design issues.
• Strong digital mindset with experience applying modelling automation BIM/3D coordination data analysis or standardised workflows.
• Confident client-facing communicator with experience leading workshops technical reviews and design discussions.
• Experience mentoring or managing engineers and supporting technical capability development.

Desirable Skills / Knowledge

• Deep experience in wastewater treatment clean water treatment sludge/bioresources water reuse pumping stations chemical dosing odour control energy recovery package plant or complex process systems.
• Experience delivering AMP8 WINEP SRO D&B framework alliance or contractor-led projects.
• Experience developing mechanical design standards calculation tools equipment specifications QA processes or reusable digital workflows.
• Experience contributing to recruitment resource planning bid writing technical proposals client presentations or new service development.

Please note that you must have the right to work in the UK to be considered for this position.

Additional Information :

Whats in It for You

• An exciting new growth role in a fastorganic growing UK business offering clear and accelerated career progression
• Top Employers 2025 - Egis recognised across four continents for excellence in HR practices having been awarded the prestigious Top Employer 2025 certification. Top Employers Institute is the global authority on recognising excellence in people practices.
• A global leader in green infrastructure - were proud to lead the way in sustainable infrastructure mobility and energy innovating across the entire value chain and every aspect of the built environment.
• Highly competitive leadershiplevel reward package
• Hybrid and flexible working
• 26 days annual leave plus bank holidays
• Professional development chartership support & global mobility
• Supportive inclusive culture driven by sustainability and longterm community impact

Ready to Lead

Join Egis and play a pivotal role in shaping the future of sustainable water infrastructure across the UK.

We are committed to our planet

In each project we design engineer and operate we care deeply about the legacy were leaving behind. As part of our team youll have a unique opportunity to use your skills and expertise to shape a better future for our communities in the UK and all around the globe.

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.

We are an Equal Opportunities employer and we strive to build a workforce that truly reflects the communities we represent. We welcome candidates from all backgrounds regardless of age disability gender gender identity gender expression race religion or belief sexual orientation socioeconomic background and any other protected characteristic. If you decide to apply for an opportunity with us your application will be assessed based purely on your experience the essential and desirable criteria and your suitability for the role. We value each and every ones contribution as this builds our culture and means that if you work with us you will be included listened to and respected.

Remote Work :

No

Employment Type :

Full-time

Experience: years
Vacancy: 1