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Job Title: Senior Planner
Location: Bristol + Hybrid Working Arrangement
Compensation: Attractive Salary + Benefits
Role Type: Full time / Permanent
Role ID: SF74525
Shape the future of clean energy on one of the UK’s most significant infrastructure projects
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 Planner at Aztec West, near Bristol, Gloucestershire.
The Role
As a Senior Planner, you’ll play a pivotal role in supporting the delivery of the Sizewell C Nuclear Power Station programme.
Day-to-day, you’ll be required to:
- Developing and maintaining detailed construction and installation schedules using Primavera P6.
- Collaborating with multidisciplinary teams to gather project data and ensure schedule accuracy.
- Tracking progress, identifying potential delays, and recommending actions to maintain programme performance.
- Supporting risk assessments, scenario planning, and change control activities to assess schedule impacts.
- Preparing schedule performance reports and communicating planning insights to key stakeholders.
This role is full time, 37 hours per week, and based in Bristol. Flexible working arrangements are available with hybrid working options available.
Essential Experience of the Senior Planner:
- Extensive experience using Primavera P6, including advanced planning and scheduling capabilities.
- Experience within nuclear project planning or similarly complex regulated environments.
- Demonstrating strong analytical skills with the ability to identify trends, risks, and opportunities.
- Building effective relationships with stakeholders through excellent communication and collaboration skills.
- Understanding project controls disciplines, including schedule, cost, and risk integration.
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Qualifications for the Senior Planner:
- Demonstrable planning and scheduling expertise gained within major infrastructure, engineering, or nuclear projects.
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 United Kingdom Security Vetting: clearance levels - GOV.UK.
What We Offer
- Generous holiday allowance
- Matched contribution pension scheme, with life assurance
- Access to a Digital GP, annual health check, and nutritional consultations through Aviva DigiCare+
- Employee share scheme
- Employee shopping savings portal
- Payment of Professional Fees
- Reservists in the armed forces receive 10-days special paid leave
- 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.
- ‘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
- Excellent development opportunities and benefits package including an employee assistance programme supporting physical, mental, and financial wellbeing.
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Cavendish
We’re Cavendish Nuclear — a team of c5,000 specialists and a core part of Babcock International Group.
Here, you’ll be part of something bigger. Across clean energy, defence, and civil decommissioning, your work will contribute to projects that are critical to energy security and national protection. Together, we’re shaping a future that lasts — not only through the impact we make, but through meaningful careers that respect your work-life balance.
Join us and discover how far we can go, together.
We are a disability confident committed employer. If you have a disability or need any reasonable adjustments during the application and selection stages, please email careers@babcockinternational.com with the subject header ‘Reasonable adjustments requirement’. We’re committed to building an inclusive culture where everyone’s free to thrive. We are happy to talk about flexible working – please ask about alternative patterns of work at interview.
Closing Date: 17/08/2026
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Your Role
A Senior Project Planner is a senior-level professional role in the Planning discipline of the Delivery role family. This role requires in-depth knowledge, expertise, and multiple years of experience of professional practice within this discipline. This role undertakes complex and non-routine professional assignments with minimal supervision and may provide leadership to more junior roles.
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