Estimator, Engineering, Civil Engineering

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 the Enabling and Earthwork Section.

• Support estimates in accordance with the SZC policies and procedures.
• Generally support the Geotechnical Estimating Team with the estimate development.
• Review SZC’s drawings and specifications to prepare accurate costing sheets for materials, labour and equipment.
• Record assumptions and identify risks and opportunities including supporting developing the risk evaluation from a pricing/budgetary point of view.
• Liaise with members of the project team & supply chain to develop and understand methodologies and principles proposed.
• Support in developing from first principles labour, plant material, subcontract pricing within the Contractor’s Estimating Software Candy.
• Producing quantity take‑offs and scheduling from enquiry documents.
• Compiling elementary bills for pricing.
• Preparation of supplier and sub‑contractor enquiries for sourcing quotations.
• Compilation of graphics and text to include within tender proposals.
• Liaising with plant division to source bespoke items.
• Working within various electronic portals to submit and retrieve information.
• Support package handovers to operations.

• Proficient in the use of excel and similar software.
• Good knowledge & understanding of written English & mathematics.
• Mobile and flexible.

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.

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.