Shape the Future of Water Infrastructure with Egis

London | Bristol | Manchester (Hybrid)
Mechanical Engineering Design | UK‑Wide Impact | High‑Growth Environment

Egis is expanding rapidly in the UK, backed by a global team of more than 23,500 experts across 70+ countries. We design and deliver intelligent, sustainable infrastructure to address climate challenges and strengthen community resilience. As part of our fast‑growing UK Water team, you will join an agile environment where progression is quick, visibility is high, and your impact is immediate.

Job Description

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 expressions of interest from talented mechanical engineers at all levels, from Consultant through to Associate Director, who want to play a meaningful role in delivering major water and wastewater programmes. 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

Contribute/lead mechanical design packages, covering feasibility, optioneering, concept, outline and detailed design across major UK water/wastewater programmes (e.g. AMP8, WINEP, SROs, etc).

Lead and deliver mechanical design for water and wastewater infrastructure and non-infrastructure projects, including development of P&IDs, equipment sizing calculations, specifications, datasheets, schedules and procurement documentation for assets such as pumps, tanks, pipework, lifting systems and associated plant.

Attending site visits for data acquisition and meeting site operators

Discussions and liaison with technology providers and vendors

Contribute to design risk management activities (e.g. HAZOP/SWIFT) and provide mechanical input to commissioning strategies and performance testing where required.

Provide design support during delivery phases, including reviewing contractor submissions, answering design queries, and supporting handover/ commissioning activities when required.

Contribute to business development and work winning: identify opportunities, shape scopes, contribute to bids.

Contribute to recruitment, team development, mentoring and skills development efforts.

Qualifications

Minimum Requirements

BEng/MEng (or equivalent) in Mechanical Engineering.

Chartered Engineer, CEng (or working towards chartership, grade dependent) with a recognised institution (e.g., IMechE or similar).
Experience in delivering mechanical engineering design (ideally in the UK Water industry), including taking a lead role on a project or significant work package.
Strong practical experience in preparing and reviewing mechanical design deliverables such as calculations, specifications, reports, datasheets, schedules, drawings and procurement documentation.
Proven experience delivering mechanical designs within the water utilities sector, including treatment facilities, pumping systems and associated plant.
Working knowledge of UK water industry standards, regulatory expectations, and safety-by-design/CDM as applied to treatment facilities.

Previous experience in a consultancy environment or engineering company or other relevant industry acting as Mechanical Engineer.

The ability to work accurately and flexibly, integrating your work with other discipline areas whilst managing your own /your team’s work to tight programme and budget constraints.

Proven ability to prepare high quality written technical reports and deliver verbal presentations to a high level of quality assurance for a variety of audiences.

Be able to travel and visit operational works and construction sites as required, to act in a safe manner.

Desirable

Experience in water reuse/recycling, bioresources/sludge treatment, energy from waste design
Experience leading on BD/work-winning contribution (or strong demonstrable aptitude): opportunity shaping, bid inputs, client development, and service-line growth.
Experience with people management: building teams, hiring and mentoring, and setting 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

What’s in It for You?

An exciting new growth role in a fast‑organic 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 - we’re 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 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 long‑term 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 we’re leaving behind. As part of our team, you’ll 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 one’s contribution as this builds our culture and means that if you work with us, you will be included, listened to, and respected.

Mechanical Engineer - Water / Wastewater

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