Senior Estimator

Senior Estimator

Location: Peterborough/ Hybrid

Who are we?

Here within the @one Alliance we are a totally collaborative organisation made up of our eight partner companies (Anglian Water, Balfour Beatty, Barhale, Binnies, MMB, MWH Treatment, Skanska and SWECO) and our extended supply chain, delivering over half of Anglian Water’s capital investment programme.

Water and the natural environment are the foundation of life, society, and our economy. The East of England is home to unique rivers, wetlands, and coastlines-but it is also one of the most water-stressed regions in the UK. With one of the most ambitious capital investment programmes in the industry, we are delivering resilient water supplies, enabling sustainable growth, tackling climate change, and protecting the natural environment.

The Opportunity

We are looking for an experienced Estimator to Join the @one Alliance and play a key role in shaping the future of water infrastructure across the East of England.

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

Why Join @one Alliance?

Be part of a purpose-driven organisation making a real environmental impact

Work on major, high-profile infrastructure projects

Collaborate within a supportive, forward-thinking alliance

Opportunities for career progression and professional development

The Anglian Water @one Alliance. Eight partners, endless opportunities.