Job Title: Senior Business Manager
Location: Flexible, UK + Hybrid Working Arrangements
Compensation: Competitive Salary + Benefits
Role Type: Full time / Permanent
Role ID: SF
Lead Performance. Shape Strategy. Deliver Impact In A Highly Regulated Environment
At Cavendish Nuclear, we’re working to create a safe and secure world, together. If you join us, you can play your part as a Senior Business Manager based in Bristol, Warrington (Cheshire), or Leicester (Leicestershire).
The role
As a Senior Business Manager, you will take on a pivotal leadership role with real influence over how a complex business unit performs and grows. This is far more than a planning role – you’ll have responsibility for operational delivery, commercial performance, and strategic direction, balancing immediate priorities with long-term growth.
You will work at the heart of critical nuclear programmes, supporting small and advanced modular reactor initiatives that are shaping the future of energy and national resilience. This is your opportunity to lead diverse teams, optimise performance, and build strong customer relationships in a highly regulated, high-impact environment.
Day-to-day, you will be required to:
1. Lead multi-disciplinary teams to deliver operational performance against budgets, schedules, and key performance indicators
2. Manage financial performance, including planning, forecasting, and driving profitability across the business unit
3. Build and maintain strong customer relationships while supporting bids and contract delivery activities
4. Coordinate business planning and reporting to provide clear, data-driven insights for decision-making
5. Identify and drive continuous improvement initiatives to enhance efficiency and overall performance
This role is full time, 37 hours per week, and can be based in Bristol, Warrington or Leicester. Hybrid working arrangements are available.
Essential experience of the Senior Business Manager:
6. Proven experience managing or influencing profit and loss, budgets, and financial performance
7. Experience delivering multiple projects or contracts simultaneously within a complex environment
8. Strong track record of leading and developing high-performing teams
9. Ability to drive operational efficiency, performance improvement, and resource optimisation
10. Experience managing customer relationships and commercial outcomes within regulated sectors such as nuclear, defence, or infrastructure
Qualifications for the Senior Business Manager:
11. A qualification in a relevant technical or project management discipline (or equivalent experience)
Security Clearance
The successful candidate must be able to achieve and maintain Security Check (SC) security clearance for this role. Further details are available at
What we offer
12. Generous holiday allowance
13. Matched contribution pension scheme, with life assurance
14. Access to a Digital GP, annual health check, and nutritional consultations through Aviva DigiCare+
15. Employee share scheme
16. Employee shopping savings portal
17. Payment of Professional Fees
18. Reservists in the armed forces receive 10-days special paid leave
19. Holiday Trading is a benefit that allows UK Cavendish employees to buy additional leave or to sell up to one working week of annual leave from their annual entitlement. This Window opens February through to March annually.
20. ‘Be Kind Day’ enables employees to take one working day's paid leave a year (or equivalent hours) to undertake volunteering work with their chosen organisation or registered charity
21. Excellent development opportunities and benefits package including an employee assistance programme supporting physical, mental and financial wellbeing.
Cavendish
We’re Cavendish Nuclear — a team of c5, specialists and a core part of