Company Description Senior Mechanical Engineer – UK Water/Wastewater Water | Wastewater | Biosolids/Sludge | AMP 8 | SROs | MEP-Led Team Shape the Future of Water Infrastructure with Egis London | Bristol | Manchester (H…
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Skills: Mechanical Engineering Design, Water And Wastewater Treatment, P&ID Development, Equipment Sizing, Hydraulic Analysis
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Full-time
bachelor degree, postgraduate degree
Competitive Reward Package, Hybrid And Flexible Working, 26+ Days Annual Leave Plus Bank Holidays, Professional Development, Chartership Support, Global Mobility
Posted 56d ago
~40 hrs/week
Responsibilities
Lead mechanical design tasks and work packages for water and wastewater infrastructure projects from feasibility to detailed design. Coordinate with multidisciplinary teams to deliver sustainable treatment solutions and mentor junior engineers.
Requirements
Requires a BEng/MEng in Mechanical Engineering with typically 6+ years of experience in water, wastewater, or oil & gas. Must be a Chartered Engineer or actively progressing toward chartership with strong knowledge of UK water industry standards.
Full job description
Company Description
Senior Mechanical Engineer – UK Water/Wastewater
Water | Wastewater | Biosolids/Sludge | AMP 8 | SROs | MEP-Led Team
Shape the Future of Water Infrastructure with Egis
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 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 defined mechanical design tasks or work packages across feasibility, optioneering, concept, outline and detailed design.
Prepare, check and coordinate mechanical deliverables including calculations, specifications, datasheets, schedules, P&IDs, layouts, design reports and procurement documentation.
Take ownership of assigned mechanical packages, managing technical quality, interfaces, scope, budget, programme and change.
Lead site surveys, data reviews and technical discussions with clients, operators, suppliers, contractors and technology providers.
Coordinate interfaces with Process, EICA, civil/structural, architectural and construction teams, including MEP integration, access, lifting, maintainability and constructability.
Support CDM/safety-by-design reviews, HAZOP/SWIFT input, technical risk management, commissioning strategies and performance testing.
Review supplier/contractor submissions, respond to technical queries and support construction, commissioning and handover where required.
Mentor Engineers and Graduates and contribute to mechanical standards, templates and delivery improvements.
Qualifications
Minimum Requirements
BEng/MEng or equivalent in Mechanical Engineering.
Chartered Engineer status, or significant CEng-level experience while actively progressing towards chartership.
Typically 6+ years’ relevant mechanical engineering design experience.
Background must be from water, wastewater, biosolids/bioresources or oil & gas.
Proven ability to deliver mechanical design packages within multidisciplinary projects.
Strong practical experience with mechanical equipment selection, pumping systems, pipework, valves, hydraulics, layouts and packaged plant.
Ability to prepare and check mechanical calculations, specifications, datasheets, schedules, reports, drawings and procurement documentation.
Working knowledge of UK water industry standards, CDM 2015, safety-by-design and relevant mechanical requirements.
Good commercial awareness and ability to deliver to agreed scope, budget and programme.
Strong communication skills, including ability to lead technical discussions and present recommendations clearly.
Desirable Skills / Knowledge
Experience with AMP8, WINEP, SROs, D&B, framework, alliance or major capital delivery environments.
Experience in sludge/bioresources, water reuse, pumping stations, energy recovery, odour control, chemical dosing, package plant, offsite manufacture or low-carbon mechanical solutions.
Experience with BIM/3D coordination, hydraulic modelling, pump system analysis, digital calculations, Power BI, Python, VBA or advanced Excel.
Experience supporting FAT/SAT, commissioning, performance testing, HAZOPs, SWIFT reviews or technical assurance reviews.
Experience mentoring junior staff and improving mechanical workflows, templates or technical standards.
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.
Business Line: Energy and Sustainable Cities
Service Line: Water Technical
Region: Europe and Africa
Job Family: Project Management - Engineering
Related keywords
Water InfrastructureWastewaterBiosolidsAMP 8SROsMEPPumpsValvesTanksOdour ControlHAZOPSWIFTBIMPower BIPythonVBA
Egis is a leading global architectural, consulting, construction engineering, operations and mobility services firm. We create and operate intelligent infrastructure and buildings that both respond to the climate emergency and contribute to balanced, sustainable and resilient development.
Our 23,500 employees operate across over 70 countries, deploying their expertise to develop and deliver cutting-edge innovations and solutions for clients. Through the wide range of our activities, we are central to the collective organisation of society and the living environment of citizens all over the world.
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