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Senior Civil Engineer – Water & Wastewater Design (Permanent)
Location/s: London, Cambridge, Reading, Brighton, Croydon UK
About the Organisation
Mott MacDonald is a global engineering, management, and development consultancy with over 20,000 employees across 50+ countries and 140+ offices, including locations in the UK and Ireland.
We work across global, cutting-edge industries, delivering meaningful societal improvements and tackling critical challenges—from safe water supplies to urban flooding and environmental restoration. Our success is rooted in collaboration, learning, and growth, with diverse opportunities to excel.
As an employee-owned business, we prioritise accessibility, equality, and shared success, fostering an environment where inclusion, innovation, and professional autonomy thrive. Whether you’re advancing your expertise or expanding your career internationally, Mott MacDonald is a place where individuals can unlock brilliance.
About the Division: Water Utilities
The Water Utilities Division is our UK & Ireland centre of excellence, specialising in:
- Ensuring safe water for future generations
- Preventing urban flooding
- Improving the health of rivers and coastal environments
Our multi-disciplinary teams deliver end-to-end project solutions, from advisory services and feasibility studies to detailed design, all while offering technically engaging growth opportunities. Our clients include:
- Top UK water utility companies
- Governmental and private sector organisations at home and internationally
Digest of Scope
We build solutions for:
- Water treatment plants
- Distribution & storage networks
- Wastewater drainage & recycling
- Desalination projects
Current challenges span feasibility studies, regulatory compliance, design, construction support, and commissioning, creating high-impact roles for ambitious professionals.
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
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Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
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Only hits
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The Opportunity
We’re seeking experienced civil engineers specialising in water and wastewater to leverage their expertise in a dynamic, collaborative environment.
Key Responsibilities
- Work across multiple UK & Irish water companies
- Lead and participate in multi-disciplinary design teams
- Deliver exceptional project execution from concept to handover
- Prepare compliant design deliverables (feasibility studies, concept designs, technical specifications)
- Undertake hydraulic and structural analysis
- Guarantee safety, health, and environmental compliance
- Interpret and deliver stakeholder needs for seamless client partnerships
- Act with proactive adaptability, advocating for innovation
What You’ll Bring
Essential Requirements
- Qualified degree in civil engineering (or equivalent)
- Proven experience in water and/or wastewater engineering design
- Strong verbal/written communication with clarity and precision
- Inherent understanding of HSE (health, safety & environment) priorities
- Agile problem-solving, resilience, and flexibility to evolving project demands
Desirable Strengths
- Progress toward Chartership
- Familiarity with digital tools (e.g., BIM, civil engineering acquisition technology)
- Project management experience (formal or self-developed)
What We Offer
Career & Growth
- Employee ownership: No external investors; profit-sharing schemes and performance-linked bonuses reflect collective success
- Direct ties to leadership, including pathways to ownership for senior roles
- Supportive networks, including gender equality, LGBTQ+, disability, parental, and racial inclusion groups
- Mentorship, training, and self-directed professional development


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Flexibility & Wellbeing
- Hybrid/agile working model tailored to individual needs
- 33–35 days annual leave (incremental to 35 days after 5 years) + flexibility to trade leave
- Enhanced leave policies: Up to 26 weeks paid maternity/adoption, shared parental leave, and five days paid specialist carer’s leave
Compensation & Benefits
- Pension match (4.5%–7%) + choice of flexible benefit grid:
- Life assurance: £4 cover (basic) with option to maximize to £6
- Income protection support
- Payroll savings
- Will-writing service
- Real health and medical advantages:
- Private medical insurance for UK colleagues
- Health cash plan for minor treatments
- Menopause coaching (free via Peppy)
- Access to a comprehensive wellbeing program, including support for family members
Congratulations to Professionals
- Free primary membership subscriptions (e.g., IChemE, ICE)
- Variety of saving schemes and high-street retail discounts
Why Join Mott MacDonald?
We’re driving important societal impact through everyday brilliance. Our hybrid culture and employee ownership model ensure radiance for those shaping its future—and everyone who contributes to it. Together, we pioneer better solutions and inclusive workplaces.
Legal Note
We acknowledge and comply with UK immigration policies:
- No Skilled Worker visa sponsorship is available (current UK Government regulation). Exceptions: Applicants eligible via alternate routes at present or in future.
Contact
Recruiter: Laura Kennedy Hiring Manager: Ruth Leong-Scanlan
How to Apply
explore opportunities at apply_now_link_here
Contract Type: Permanent Work Pattern: Full-Time Discipline: Civil Engineering Market Focus: Water Job Reference: 14896
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