Assistant Estimator

Laing O'Rourke; Greater London; On-site; GBP 40,000 - 55,000; Full time

Job summary

A leading international engineering firm in London seeks an Assistant Estimator for the Sizewell C project. The role involves supporting the lead estimator and preparing accurate estimates for the Civil Works Programme. Ideal candidates have strong analytical abilities and experience in infrastructure engineering. This position offers a dynamic environment within a significant infrastructure project.

Qualifications

• Proven experience as an Estimator from a commercial or operational background.
• Strong numerical abilities.
• Infrastructure Main Contractor experience ideally in the rail civil engineering market would be desirable.

Responsibilities

• Support production of estimates in accordance with the SZC policies and procedures.
• Review SZC's drawings and specifications for accurate costing.
• Develop pricing within the Contractor's Estimating Software.

Skills

Analytical skills

Problem-solving abilities

Negotiation skills

Communication skills

Tools

Estimating Software Candy

Job description

Assistant Estimator - SZC Project (Sizewell C)

Location : London, UK

Join the exciting journey of one of the UK's largest nuclear projects at Sizewell C! We are looking for a dynamic and results‑driven Assistant Estimator to support developing estimates from first principles associated with the Civil Works Programme of the Sizewell C Project.

This is a key role which involves working closely with the lead Estimator and Head of Estimating to ensure consistency in approach set out by the client. You will be supporting other Estimators with stakeholder management producing estimates across planning and procurement. Additionally, you will assist with supporting presentations, negotiations and justifying prices to both senior leaders within the business and external partners.

Key Responsibilities

• Support production of estimates in accordance with the SZC policies and procedures.
• Review SZC's drawings and specifications to prepare accurate costing sheets for materials, labour and equipment.
• Code and develop pricing in accordance with coding conventions set up on the project.
• Develop from first principles labour, plant material, subcontract pricing within the Contractor's Estimating Software Candy.
• Record assumptions and identify risks and opportunities including supporting development of 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.

What skills & experience are we looking for?

• Proven experience as an Estimator from a commercial or operation background
• Strong numerical, analytical, and problem‑solving abilities
• Excellent communication and negotiation skills.
• Infrastructure Main Contractor experience ideally in the rail civil engineering market would be desirable
• Excellent communication and negotiation skills.

Don't match all the criteria? We are open and always happy to hear from people with transferable skill sets and a commitment to learning.

Why SZC?

This is your chance to contribute to one of the UK's most ambitious infrastructure projects, shaping the future of energy while working in a supportive, dynamic environment. Be part of a team that values innovation, safety, and sustainability at every stage of the journey— from investment to construction and beyond.

About Laing O'Rourke

We are an international engineering and construction company delivering state‑of‑the‑art infrastructure and building projects for clients in the UK, Middle East and Australia.

Certainty, reliability, quality – this is what our clients want. And at Laing O'Rourke, we have more than 150 years of experience delivering it. Laing O'Rourke's story is one of energy, passion, ambition, people and teamwork. We harness the power of our experience, stretching back over a century and a half to deliver certainty for our clients.

As part of the Disability Confident scheme, we would like to enable access to candidates with long term health conditions and disabilities through the ‘Offer an interview scheme'. This supports applicants that meet the essential criteria by offering an interview for the advertised position. Please let us know prior to interview what adjustments are required as well as discussing how we can support you in the workplace.

We want to ensure our recruitment process is accessible to all. If you need the application form in an alternative format or you would like to know more about our recruitment process, please email