Senior Estimator

MWH Treatment; Peterborough; Hybrid; GBP 65,000 - 90,000; Full time

Job summary

MWH Treatment is seeking a Senior Estimator based in the Anglian Water region with hybrid working. You will lead cost estimates across CAPEX stages, challenge costs, and collaborate with multi-disciplinary teams to define scope and buildability.

You will mentor junior estimators, develop cost models, and align estimates with Anglian Water cost capture requirements while supporting delivery teams with estimating strategy and governance.

Qualifications

• Degree-level education in Engineering or Quantity Surveying or equivalent experience.
• Experience in infrastructure, utilities, or construction environments.
• Ready for senior responsibilities in Estimating.

Responsibilities

• Produce CAPEX estimates across optioneering, outline and detailed design stages.
• Collaborate with multi-disciplinary teams to define scope and buildability.
• Engage with supply chain to obtain quotations and ensure accuracy.
• Develop and maintain cost models and libraries; align with cost capture requirements.
• Mentor junior estimators and potentially line-manage; deputise for Head of Estimating when needed.

Skills

Analytical ability

Communication

Proactivity

Organised

MS Excel

Estimating software

Education

Engineering or Quantity Surveying degree

Tools

MS Excel

Estimating software

Job description

We are looking to strengthen our Estimating team with a Senior Estimator based in the Anglian Water region with hybrid working available.

As a Senior Estimator, you will be a vital part of either our Central Estimating Team or embedded within a Business Unit, supporting a wide range of projects including, Water & Water Recycling Treatment Plants, Pipelines and Pumping Stations & Reservoirs and Network Storage

Working within an outperformance contract model, you will lead on developing robust cost estimates while challenging all aspects of construction costs, risk, and overheads.

What You'll Be Doing

Estimation & Project Support

• Produce CAPEX estimates across optioneering, outline, and detailed design stages

• Collaborate with multi-disciplinary teams to define scope and buildability

• Engage with supply chain partners to obtain accurate quotations

• Prepare estimates using industry software and MS Excel

Stakeholder Engagement

• Advise and challenge on design requirements and cost impacts

• Support delivery teams with estimating strategy and alliance processes

• Manage priorities and expectations across multiple stakeholders

Leadership & Development

• Mentor and support junior estimators

• Potential line management responsibilities

• Deputise for the Head of Estimating when required

Systems & Continuous Improvement

• Develop and maintain cost models and libraries

• Identify efficiencies and implement best practice

• Maintain and analyse data within cost bases

• Ensure smooth handover of estimates to delivery teams

• Align estimates with Anglian Water cost capture requirements

Commercial & Cost Capture

• Ensure smooth handover of estimates to delivery teams

• Align estimates with Anglian Water cost capture requirements

Health, Safety & Wellbeing

• Champion a strong safety culture and Safer Every Day mindset

• Ensure compliance with all H&S policies and procedures

• Contribute to continuous improvement and a zero-accident culture

About You

We’re looking for someone who is:

• An experienced Estimator ready for a senior role
• Educated to degree level (Engineering, Quantity Surveying) or equivalent experience
• Experienced in infrastructure, utilities, or construction environments
• Confident working across civil, mechanical, electrical, or process disciplines

Key Skills

• Strong analytical and numerical ability
• Excellent communication and collaboration skills
• Proactive, motivated, and eager to learn
• Highly organised and able to meet deadlines
• Advanced MS Office skills and familiarity with estimating software