Egis Group
Principal Mechanical Engineer - Water / Wastewater
How your CV stacks up
Upload your CV to see how well it fits this job role
?%
Company Description
**Shape the Future of Water Infrastructure with Egis
Key Areas: Water | Wastewater | Biosolids/Sludge | AMP 8 | SROs | MEP-Led Team
Location: London | Bristol | Manchester (Hybrid)
Core Focus: Mechanical Engineering Design | UK-Wide Impact | High-Growth Environment
Egis is a rapidly expanding UK firm with over 23,500 experts across 70+ countries. We specialise in sustainable infrastructure solutions addressing climate challenges and building resilience for communities. As part of our growing UK Water team, opportunities favour agility, acceleration and immediate impact.
Job Description
About the Role
The UK water sector is entering a transformative phase of investment and renewal. Egis is accelerating its growth in the UK Water sector and is establishing a high-performing mechanical engineering team to shape its next phase.
We seek professionals who want to contribute meaningfully to major UK water and wastewater programmes. Collaborating within a multidisciplinary environment, you will deliver ambitious, environmentally responsible and innovative treatment solutions across key projects.
This is an exceptional chance to join at a critical growth stage, building and expanding a mechanical engineering team rooted in Egis’ global infrastructure expertise and its long-standing commitment to the sector.
Key Responsibilities
Technical Leadership & Project Coordination
- Lead mechanical design across water/wastewater projects throughout the design lifecycle
- Act as mechanical technical lead, overseeing design strategy, critical decisions, interfaces and risk management
- Lead CEng/IEng oversight of calculations, specifications, datasheets, P&IDs, layouts, schedules, drawings, and supplier/contractor submissions
- Scope and design pumps, pipework, valves, tanks, lifting systems, packaged plant, treatment equipment and connected process systems
Specialised Technical & Process Expertise
- Lead mechanical contributions to optioneering, value engineering, design reviews, HAZOP/SWIFT assessments, constructability checks, maintainability reviews and commissioning
- Advocate lean and digitally enabled delivery via standardised workflows, BIM/3D coordination, hydraulic modelling, automated designs and reusable templates
- Provide technical reassurance and assist project managers in risk assessment, scope management, resourcing, scheduling and change control
Reasons to use Rodeo
Start with a chat, not a search bar
Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.
It searches the market for you
Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
**Team Development **
- Mentor and manage mechanical teams, support recruitment, professional development and chartership progression
External & Client Engagement
- Contribute to bid writing, client communications, opportunity identification and capability growth
Qualifications
Minimum Requirements
- BEng/MEng (or equivalent) in Mechanical Engineering
- Chartered (CEng) or Incorporated (IEng) Engineer status with a relevant professional institution (e.g., IMechE)
- Typically 8–10+ years’ relevant experience in mechanical system design *(particularly relevant backgrounds in water, wastewater or biosolids/sector-specific roles)
- Proven ability to lead projects as a mechanical discipline or senior technical lead, coordinating multidisciplinary interfaces
- Expertise in:
- Water/wastewater/BIOSOLIDS/WATER REUSE systems (e.g., pumps, pipework, valves, hydraulics, layouts, packaged plant)
- UK sector standards (e.g., CDM 2015 legislation, regulatory guidance, safety-by-design)
- Demonstrated proficiency in:
- Multidisciplinary coordination (PM/EICA, civil/structural, MEP, construction, operations)
- Digital capabilities (modelling, automation, BIM, data-driven design)
- Client-facing communication skills (technical workshops, reviews, design deliberations)
- Experience mentoring or managing engineers and advancing technical capability
Desirable Skills
- Deep-specific wastewater treatment expertise (e.g., pumping stations, chemical dosing, odour control, energy recovery)
- Familiarity with AMP 8, WINEP, SRO, design & build, framework or contractor-led project models
- Developing mechanical design standards, calculation tools, data workbench and digital workflows
- Experience in:
- Bid process contributions (recruitment, resource planning, technical proposals, client presentations)
- Graphical.context sumbridge to new technical knowledge or market segments
Get help with your application
Your very own career expert that helps elevate your application to the next level.
Additional Information
What’s in it for You?
- Accelerated career progression in a fast-growing, dynamic UK business
- Top Employer 2025 recognition (four continents, prestigious HR certification)
- Leader in sustainable infrastructure (carbon-conscious mobility, energy and value chain innovation)
- Highly competitive leadership-level rewards package
- Hybrid and flexible working policy
- 26+ days annual leave (+ bank holidays)
- Professional development & chartership support opportunities
- Global career mobility access
- Inclusive, sustainability-driven culture, with opportunities to engage in community-focused initiatives
Commitment to Impact
Join us in the battle against climate change: by designing, developing and maintaining resilient, sustainable communities. Egis is dedicated to the sumptuous effort through the Egis Foundation, which funds actions to combat climate change and advance social progress.
Equal Opportunities Policy
We are an equal opportunity employer. A diverse and inclusive workforce is central to our values, ensuring every application is evaluated objectively based on skills, experience and contributions—not personal background. We celebrate individual contributions, diversity, and valued representation.
Business Line: Energy and Sustainable Cities Service Line: Water Technical Region: Europe and Africa Job Family: Engineering Management
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
Jessica, London
Skills