Estimating Assistant (Sizewell C)

The Sizewell C Jobs Service supports local people into exciting, long-term careers across our Project.

Contract Type: Permanent - Office-based with hybrid flexibility (typically 3 days p/w in the office)

Working Pattern: Full time

Closing Date: Thursday 30th July 2026

Location: London, Bristol, Manchester, Suffolk – hybrid, 3 days per week in the office

Salary: Circa £32,000 depending on experience

Bonus: 5% annual incentive

Pension: Up to 7.5% employee contribution / 15% employer contribution

Holiday: 28 days plus bank holidays

Benefits: Flexible benefits

Impact: 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.

Key Responsibilities

• Support the Civil Works Quantity Surveying Management Team with:
• 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.

It is recognised that the successful candidate may have limited experience. What is more important is the ability to work in a fast-paced environment and a willingness to learn. On the job training will be provided and support should you wish to pursue a formal quantity surveying related qualification.

Skills & Experience

• 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.

Desirable Skills & Experience

• Experience of the commercial management and contract administration processes, particularly those related to cost management, payment, variations, change management and final account settlement.

Key Competencies

• Commercial awareness
• Organisation and prioritisation
• Accuracy and attention to detail
• Problem-solving
• Stakeholder communication
• Team collaboration
• Governance and compliance focus

Why Join Us

• 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

Behavioural Competences

• Humility: 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.
• Positivity: Positively challenge poor quality and performance. Identify solutions at the lowest possible level. Encourage others to bring new ideas forward.
• Respect: Value the rules and environment in which we operate. Give and receive feedback with respect. Embrace and engage with new people and ideas.
• Solidarity: One team, working closely together and helping each other. Empowered teams always looking forward. Shared responsibility for delivering the project outcomes.
• Clarity: Communicate clearly and consistently. Promote collaboration and team alignment. Clearer and faster decision making. Drive simplification at all levels.

If this sounds like the next step in your career, we’d love to hear from you. Apply today.

For this role you must have evidence of right to work in the UK. As a project, we do not discriminate on the grounds of age, gender, race, colour, religion, disability or sexual orientation, and we welcome applications from all sections of the community.