Estimating Assistant

Location

London, GB, EC2R 7BP

Lestone, GB, IP16 4TP

Felixstowe, GB, IP10 0DD

Bristol, GB, BS32 4TP

Manchester, GB, M1 4HN

Permanent, full-time.

Friday 31st July 2026

• Bonus: 5% annual incentive
• Pension:
  Up to 7.5% employee contribution / 15% employer contribution
• Holiday: 28 days plus bank holidays

As the Estimating Assistant you will be reporting to Senior Quantity Surveyors in undertaking a range of quantity surveying activities covering all aspects of civil works. This role would suit someone early in their commercial or quantity surveying career who has strong administration skills and wants to develop broader commercial management experience and/or pursue a formal surveying qualification within a major infrastructure project.

• Undertaking measurement and billing of quantities in accordance with standard methods of measurement.
• Details of information used and assumptions made when undertaking measurement tasks
• Codifying measured works items to prescribed cost and work breakdown structures.
• Collecting, analysing and reporting cost data, including taking actions to address source data.
• Collating and managing contemporary records.
• Assisting in the preparation of estimates and cost reports including the collation of supporting documentation.
• Supporting the tender process including financial assessment and the preparation of Tender Reports.
• Assisting project teams in the contract administration and commercial management of projects within the Civil Works programme.
• Budget monitoring and forecasting, cost auditing, progress monitoring and reporting.
• Actively supporting teams in the timely delivery of commercial management and assurance.
• Assisting senior team members with the legal and contractual issues on projects.
• Document management and control, including the maintenance of registers and schedules.
• Arithmetic and other basic checking of work undertaken by others.
• Working to budgets and timescales as agreed from time to time with senior managers.
• Supporting and working collaboratively with the wider team.
• Maintain and administer commercial management systems, including: CEMAR, SAP and Candy.
• Support successful contract delivery and help manage the commercial impact of contracts on the wider Sizewell C project.

• Preferably degree educated in a relevant discipline (min 2.1), together with demonstrable relevant experience gained within a similar role.
• Competent IT skills – proficient in Microsoft Office (Excel essential).
• Strong communication and stakeholder management skills.
• Good organisational skills – with the ability to work independently and manage competing deadlines.
• Ability to work effectively within a team and across multiple functions.
• Good attention to detail and administrative capability.
• Experience of the commercial management and contract administration processes, particularly those related to cost management, payment, variations, change management and final account settlement.
• Organisation and prioritisation
• Accuracy and attention to detail
• Problem-solving
• Stakeholder communication
• Team collaboration
• Governance and compliance focus

• A major infrastructure project with national impact
• Hybrid working with flexibility built in
• Competitive salary, bonus and benefits
• Clear progression and development opportunities
• Supportive, collaborative team environment

• Recognise the value brought from different cultures and experiences.
• Be open to other’s points of view and ideas, be willing to debate and to compromise.

• Positively challenge poor quality and performance.
• Identify solutions at the lowest possible level.
• Encourage others to bring new ideas forward.

• Value the rules and environment in which we operate.
• Give and receive feedback with respect.
• Embrace and engage with new people and ideas.
• One team, working closely together and helping each other.
• Empowered teams always looking forward.
• Shared responsibility for delivery the project outcomes.

• Communicate clearly and consistently.
• Promote collaboration and team alignment.
• Drive simplification at all levels.

When joining Sizewell C, you may wonder…