The Geotechnical Sub Alliance (GSA) is at the forefront of the Sizewell C nuclear power station development – one of the UK’s largest and most exciting infrastructure programmes.
We’re responsible for preparing the foundations of the entire site: designing and constructing cut‑off walls, retaining structures, soil improvements and more. Using advanced geotechnical engineering and world‑class construction technologies, this is a rare opportunity to contribute to a national project that will shape the UK’s clean‑energy future.
The Role
The Cost Controller plays a key role in ensuring robust financial governance across the GSA programme within a complex joint‑venture environment.
You will be responsible for monitoring project costs, supporting audit and compliance activities, and providing accurate reporting and forecasting in line with NEC contract requirements. The role works closely with finance, commercial and delivery teams to ensure strong cost control, informed decision‑making and continuous improvement.
What You’ll Be Doing
Cost Control & Reporting: Monitor project costs against budget, forecasts and NEC Defined Cost principles, preparing regular cost reports including Disallowed Cost and fee‑based forecasts. Analyse variances and provide clear, actionable insights to support project performance.
Audit & Compliance: Coordinate responses to audit requests, ensure timely resolution of findings, and support compliance with NEC contract requirements, Works Information and joint‑venture governance standards.
Stakeholder Collaboration: Act as a key interface between finance, commercial, procurement and delivery teams, providing financial insight, supporting decision‑making and embedding lessons learned across the project.
Forecasting & Financial Planning: Improve forecasting accuracy, support management of committed costs, accruals and financial risks, and identify opportunities for cost optimisation and efficiency.
Process Improvement: Contribute to strengthening financial governance, controls and reporting processes, including segregation of duties and continuous improvement initiatives.
What We’re Looking For
Essential
Fully qualified accountant (ICAEW, ACCA or CIMA)
Experience working on large‑scale infrastructure, construction or engineering projects
Strong understanding of NEC contracts, including Defined Cost and Disallowed Cost principles
Advanced Excel skills and experience with ERP systems (e.g. Oracle)
Strong analytical capability, attention to detail and clear communication skills
Desirable
Experience working on major projects or within joint‑venture environments
Familiarity with Oracle E1 or similar ERP systems
Experience working with Tier‑1 contractors
Why Bachy Soletanche?
When you join the world’s largest specialist geotechnical contractor, you’re part of an international community of over 10,000 experts, based in 31 countries around the world. You’ll have the opportunity to contribute to prestigious, ground‑breaking projects, using the very latest tools and technology to solve complex problems, constantly learn new skills and take your career in any direction.
As well as being part of a landmark project and working in a collaborative alliance environment, we offer:
Discretionary annual bonus (based on personal/project performance)
Salary Sacrifice Pension Scheme (min. 5% company contribution)
Enhanced Sick Pay (after probation)
Income Protection, Private Medical Insurance and Life Assurance
Employee Assistance Programme
25-days annual leave + Bank Holidays per year (increasing with service)
Option to purchase additional annual leave
Paid annual professional memberships
Volunteering days
Professional growth and development
Bachy Soletanche is committed to equal opportunities in employment with the aim of ensuring that everyone who applies to work for us receives fair treatment. We positively encourage applications from suitably qualified and eligible candidates regardless of age, disability, ethnicity, sex, gender identity, sexual orientation, religion or belief and pregnancy/maternity.
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