Vacancy Reference:
4815
Contract Type:
Full Time
Temp or Perm:
Permanent
City:
Somerset
Closing Date:
19 June 2026
Salary:
Starting salary from £31,500 (including bonus) dependant on experience

About the Role

We're looking for a proactive and experienced Commercial Assistant to support the Deputy Commercial Manager in the day-to-day running of the site Commercial Team. Based at Hinkley Point C, one of the UK's most significant infrastructure projects, this role contributes to the effective commercial performance and profitability of the Hinkley Point C project.

Why Join Us?

Work-Life Balance: Enjoy a 9-day fortnight pattern Monday to Friday one week, Monday to Thursday the next. Current working hours are 07:30 - 16:30 Monday to Thursday, and 07:30 - 12:30 on your working Friday.
Starting salary from £31,500 (this includes a 8.5% monthly bonus associated with working with the team at HPC)
25 days annual leave, plus bank holidays
5% employer pension contributions
Life assurance scheme
Company sick pay
Industry-leading Employee Benefits Platform with lifestyle savings & retail discounts
Reward and Recognition programme
Employee Assistance Programme supporting health & wellbeing, with access to online GP
Opportunities for professional development within Commercial Management are available, including progression through university apprenticeship programmes.

What You'll Be Doing

Managing project costs and contracts
Collecting and analysing project data
Preparing quotations for additional and out-of-scope works
Assembling and submitting monthly payment applications
Conducting cost/value analysis exercises
Providing cost advice to clients and project teams
Supporting the commercial awareness of operational teams, including guidance on annual budgets
Creating and maintaining visual data presentations, including graphs and charts
Managing data reporting and tracking performance against agreed KPIs
Forecasting labour and material requirements
Assisting with time and attendance queries.

What We're Looking For

Essential:

Strong Microsoft Excel skills, including the ability to analyze large datasets, identify inconsistencies, and spot errors with a high level of accuracy
Excellent written and verbal communication skills, with the ability to produce clear and concise reports using data from multiple sources
Experience or ability to manage time and attendance data accurately, with strong attention to detail
Ability to work effectively as part of a team
Strong analytical and problem-solving skills, with the ability to interpret and present data in various formats
Ability to remain calm and respond effectively under pressure.

Desirable:

Working knowledge of SAP or similar systems
Experience using time and attendance systems
Familiarity with financial or commercial reporting processes
Experience working with large datasets or data reporting tools
Experience working on large-scale projects within nuclear or similarly regulated sectors.

Site Requirements

This role is based on Hinkley Point C and requires:

Ability to provide a 3‑year work/education/unemployment history for vetting
Ability to obtain an HPC site pass
Willingness to travel via a bus journey of approximately 45‑minute to/from site.