Senior 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

• Provide senior technical leadership for the mechanical discipline within the UK water/wastewater treatment design team.
• Act as mechanical discipline lead sub-lead or senior technical authority on complex treatment projects across design construction support commissioning and handover.
• Set and maintain mechanical design standards checking requirements design risk processes digital workflows and quality expectations.
• Lead and assure complex mechanical deliverables key technical decisions equipment strategies supplier packages contractor submissions and multidisciplinary interfaces.
• Drive integrated coordination across Process EICA civil/structural architectural MEP construction commissioning and operations teams.
• Lead senior client engagement technical workshops optioneering value engineering design reviews and constructability/maintainability reviews.
• Embed modern delivery approaches including digital design hydraulic analysis BIM/3D coordination automation standardisation data-led decision making and supplier integration.
• Support project directors and project managers with technical risk scope resourcing programme budget change control and design quality.
• Build and develop the mechanical sub-team through recruitment mentoring line management succession planning and professional development.
• Support business planning work winning client development bid strategy and growth of Egis UK water/wastewater treatment 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 1012 years relevant mechanical engineering design experience.
• Background must be from water wastewater biosolids/bioresources or oil & gas.
• Proven track record leading mechanical design and technical assurance on complex multidisciplinary projects.
• Deep technical expertise in mechanical treatment/process systems including pumps pipework valves tanks packaged plant lifting systems hydraulics and maintainability.
• Strong understanding of UK regulated water sector drivers water company asset standards CDM 2015 safety-by-design environmental/regulatory requirements and common delivery models.
• Demonstrable experience developing people including mentoring line management technical coaching recruitment or resource planning.
• Strong client and stakeholder management skills with credibility to lead senior technical conversations and influence project direction.
• Strong commercial and delivery awareness including scope development fee estimating programme/resource planning risk management and change control.
• Strong digital and innovation mindset with experience embedding improved tools data workflows BIM/MEP coordination hydraulic analysis automation or standardised delivery approaches.

Desirable Skills / Knowledge

• Experience as mechanical discipline lead design manager technical director associate-level lead or sub-team lead within consultancy contractor water company technology provider or oil & gas/process engineering business.
• Strong UK water sector client network and experience supporting account growth opportunity shaping bid leadership and work winning.
• Experience developing services around digital treatment design process optimisation operational intelligence energy/carbon reduction modular/offsite solutions or MEP-led delivery.
• Experience leading mechanical technical governance communities of practice design standards QA frameworks or delivery improvement initiatives.
• Experience building teams during growth phases including skills mapping capability planning and creation of a positive delivery-focused culture.

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