Mott MacDonald Bentley | MMB
Senior Estimator
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Senior Estimator
# Estimator or Senior Estimator – Water & Infrastructure at JN Bentley
JN Bentley is a leading UK engineering and construction company, delivering critical infrastructure across water, environmental, and energy sectors through long-term, collaborative frameworks. As part of the Mott MacDonald Group, we operate across England, Wales, and Scotland, providing fully integrated design and build services. With an annual turnover exceeding £600m and strong growth, we offer long-term career opportunities within a stable and forward-thinking business.
About the Role
We are seeking an Estimator or Senior Estimator to join our high-performing Bidding and Estimating team, where you’ll play a pivotal role in securing and shaping major infrastructure projects. Based in either our Shifnal or Newport office, you’ll work at the front end of projects, collaborating with design, commercial, and operational teams to develop smart, competitive, and deliverable cost-effective solutions.
This role offers exposure to a diverse portfolio of civil engineering schemes, from early-stage feasibility and smaller value projects to high-value, complex, multi-disciplinary schemes. You’ll influence project outcomes, add real value, and see your work directly translate into successful on-site delivery.
Key Responsibilities
- Developing accurate, well-structured, and commercially sound first-principle cost estimates for civil engineering and infrastructure projects
- Collaborating with design, commercial, and operational teams to create robust and competitive tenders
- Reviewing drawings, specifications, and scopes to identify risk, opportunities, and value-engineering solutions
- Engaging with the supply chain to secure quotations and inform buildable, market-tested pricing
- Supporting bid submissions, reviews, and tender clarification meetings
- Applying consistent estimating methodology, standards, systems, and governance across all bids
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Who We’re Looking For
We welcome applications from:
- Experienced Estimators and Senior Estimators
- Civil engineering professionals transitioning into estimating (e.g., Quantity Surveyors, Planners, Engineers, or site-based professionals from water, environmental, and energy sectors)
- Candidates with strong technical knowledge, commercial awareness, and understanding of project delivery
We’re committed to supporting your development through:
- Structured training
- Mentoring
- Clear career progression
What You’ll Bring
✅ Experience in estimating or a relevant civil engineering background ✅ Commercial awareness and high attention to detail ✅ Working knowledge of NEC forms of contract and procurement processes ✅ Ability to analyse complex information and communicate it clearly and confidently ✅ Collaborative mindset with a willingness to learn and develop
What We Offer
In return, you’ll join a supportive, ambitious business that invests heavily in its people. Key offers include:
- Competitive reward package
- Tailored development and progression, aligned with your career goals
- Flexible benefits package, allowing you to personalise your financial, lifestyle, health, and wellbeing benefits
- For full details, view the Bentley Benefits brochure.
About Mott MacDonald Bentley
We are part of the Mott MacDonald Group, a global engineering and management consultancy, with a clear purpose: to improve society by considering social outcomes in everything we do.
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Our Values & Approach
We uphold these principles:
- Progress – relentlessly pursuing excellence
- Respect – embracing diversity and individual needs
- Integrity – building trust through fairness
- Drive & Excellence – delivering the best outcomes
- Our people are our greatest asset – dedicated to investing in their professional growth, offering training schemes, exposure across projects, and career advancement opportunities.
You’ll contribute to projects that benefit communities, from securing water supplies to reducing flood risk.
Diversity, Equity & Inclusion (DE&I)
At Mott MacDonald Bentley, we welcome diverse applications and are committed to: 🔹 Building an inclusive workplace where everyone thrives and feels respected 🔹 Supporting equal opportunities, with adjustments available during recruitment and employment
Explore our DE&I initiatives here: https://www.mottmacbentley.co.uk/people
For accommodation requests, contact: 📞 01756 691572 ✉️ recruitment@jnbentley.co.uk
Read our Equal Opportunities Policy: Equality, Diversity & Inclusion
Agile Working & Flexibility
We pride ourselves on a flexible and agile working environment, balancing the needs of our employees and business.
Location & Details
📍 Shifnal, UK | Newport, UK 💼 Permanent, Full-Time
Job Ref: 15355 📩 Contact: Callum Franklin | Market: Water | Discipline: Water
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