Lead Estimator

Sizewell C Company; London Borough of Lambeth; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Market leading salaries

Generous annual leave entitlements

Pension scheme

Flexible benefits

Job summary

Sizewell C Company, supporting the Civil Works Alliance, is seeking a Lead Estimator to drive cost planning and pricing for the Alliance Services and Plant & Logistics. You will manage a multi-skill estimating team and interface with the Head of Estimating to ensure consistency across the project.

The role requires strong experience with Candy and RIB CostX, excellent client-facing skills, and Chartered status or equivalent in a relevant field.

Qualifications

• Proven estimating background with multi-skill teams.
• Experience with civil estimating practices and documentation.
• Chartered status or equivalent recognised by industry bodies.

Responsibilities

• Lead and develop a multi-skill estimating team (Senior Estimator, Estimator, Assistant Estimator).
• Feed into Head of Estimating to ensure consistent estimating approach.
• Produce estimating documentation for internal and external use.

Skills

Excel

Client facing

Candy Estimating

RIB CostX

AACE principles

Mobile and flexible

Education

Chartered by ICE/CICES/RICS/CIOB

Tools

Candy Estimating Software

RIB CostX

Job description

Lead Estimator Opportunity with the Civil Works Alliance (CWA), Supporting Sizewell C

As part of the CWA (Civil Works Alliance), you will support the building of Sizewell C. Sizewell C will be a 3.2-gigawatt power station generating low-carbon electricity for around 6 million homes and will play a key role in our energy future, supplying reliable, clean electricity for at least 60 years.This role will be within theMarine and Tunnels Section.

What will you do?

The purpose of the role is:

• Managing a multi skill level estimating team (Senior Estimator, Estimator, Assistant Estimator) to develop both cost planning and pricing for the Alliance Services and Plant & Logistics section of the project.
• Feeding into the Head of Estimating on the project to ensure consistency in estimating approach set out by the client.
• Capable of producing various estimating documentation that can be assured both internally and externally.
• Stakeholder management to produce the Estimate e.g., planning, procurement etc.
• Presenting, negotiating and justifying prices produced in an open and honest manner to both senior leaders within the business and/or external customers/partners.

What are we looking for?

Knowledge & Skills

• Proficient in the use of excel and similar software.
• Excellent client facing/communications skills
• Experienced estimating background using Candy Estimating Software.
• Experienced estimating background using RIB Cost X Quantification & Estimating Software.
• Experience of working with the AACE principles of Estimating Class and associated maturity
• Mobile and flexible

Qualifications & Experience

• Infrastructure Main Contractor background ideally in the Civil engineering market.
• Commercial or operational background considered.

Chartered by relevant industry recognised chartership e.g., ICE, CICES, RICS, CIOB Etc

What we will offer you?

The CWA is a single delivery organisation made of up of the client (Sizewell C) and three parent companies - Balfour Beatty, Bouygues and Laing O'Rourke - which offer industry leading packages including market leading salaries, generous annual leave entitlements, pension scheme and other flexible benefits.

About Us

The CWA celebrates the creativity and innovation that comes from a diverse workforce, and we welcome applications from people of all backgrounds — especially those from under‑represented communities. Our project is built on five core values: Humility, Positivity, Respect, Solidarity, and Clarity.
By joining us, you’ll be encouraged to bring your whole self to work, speak up, and share your ideas. We encourage applications from all suitably qualified candidates, regardless of gender, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, or pregnancy and maternity.
We are committed to protecting your privacy. If you decide to apply, please avoid including sensitive personal data in your CV.