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
As Executive Assistant to the Project Director and GSA Delivery Leadership Team, you’ll be the organisational heartbeat of the project. You’ll provide high‑level administrative, analytical, and logistical support to ensure leaders can operate at their best.
No two days will be the same - this role offers variety, autonomy, and the opportunity to contribute to meaningful milestones.
What You'll Be Doing
Overseeing multiple senior diaries and optimising schedules
Producing polished reports, presentations, and confidential documentation
Screening communications and responding on behalf of executives
Arranging meetings, conferences, and travel (UK & overseas)
Coordinating project events, community engagement, and charity initiatives
Running data analysis, reports, and supporting ad‑hoc project tasks
Building strong relationships across the project team and wider stakeholders
Keeping accurate and secure records, always ensuring confidentiality
What We’re Looking For
Our ideal candidate will have:
Proven experience as an Executive Assistant or senior administrator
Outstanding organisational skills and a proactive, solutions‑driven mindset
Confidence managing multiple priorities in a busy team environment
Ability to build rapport at all levels, quickly and effectively
Excellent IT skills (Microsoft Office & SharePoint)
Strong attention to detail and high levels of discretion
A flexible, resilient, and forward‑thinking attitude
If you’re self‑motivated, enthusiastic, and excited about the chance to support a dynamic leadership team within a major national project, we want to hear from you.
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.
