Recruitment and HR Administrator England HUMAN Resources

The Geotechnical Sub Alliance (GSA) is proud to play a crucial part in delivering the Sizewell C nuclear power station — one of the UK’s most significant infrastructure projects. Our team focuses on advanced geotechnical works including piling, diaphragm walling, soil mixing, grouting and more, using specialist equipment and a collaborative alliance model.

We are now seeking a highly organised and proactive Recruitment & HR Administrator to join our HR team and support our growing workforce as the project continues to scale.

As a Recruitment & HR Administrator
, you will provide essential administrative support across all HR and Recruitment functions. From coordinating interviews and managing onboarding, to supporting visa processes and ensuring compliant right‑to‑work documentation, you’ll play a key role in creating a smooth employee experience.

This is a varied, fast‑paced role ideal for someone who enjoys working with people, thrives on organisation, and takes pride in delivering high‑quality support.

• Track and monitor applications throughout the recruitment lifecycle
• Screen CVs and coordinate candidate feedback
• Schedule interviews and support hiring managers with admin tasks
• Triage the Recruitment Inbox
• Work closely with the Recruitment Manager to ensure a smooth process

• Liaise with overseas Group Companies to obtain required visa documentation
• Work with Immigration Advisors to support visa submissions
• Conduct right‑to‑work checks and maintain compliant records
• Liaise with the Home Office and immigration agencies as needed

• Act as the first point of contact for visitors, new starters, and agency workers
• Coordinate onboarding tasks such as IT equipment collection, medical appointments, and site integration support
• Assist with ongoing support for UK‑based and international employees

• Handle telephone and email enquiries on behalf of the HR team
• Draft correspondence including emails, letters, and employee communications
• Prepare contracts of employment and update the HR system for new starters
• Manage pre‑boarding requirements (IT, fleet, medicals, vetting)
• Process changes to terms and conditions
• Ensure all employee medical certifications are up to date
• Triage the HR email Inbox
• Provide wider office administration support as required

• Previous administration and data entry experience
• Excellent communication and interpersonal skills
• Strong organisational and planning capability
• Ability to build positive working relationships at all levels
• Proficient in Microsoft Office (Excel essential)
• Positive, resilient, and confident approach

• Experience in HR or Recruitment administration
• Customer-facing background

• Ability to speak French

If you’re an organised, people-focused administrator looking to build your HR career within a major national infrastructure project, we’d love to hear from you.

Apply now and be part of building the future of sustainable energy.

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.

• 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.