Job Title: Senior Piping Designer
Location: Warrington, Cheshire OR Humberside, East Yorkshire
Compensation: Competitive Salary + Benefits
Role Type: Full time / Permanent
Role ID: SF66844
At Cavendish Nuclear we’re working to create a safe and secure world, together, and if you join us, you can play your part as a Senior Piping Designer, at our Warrington (Cheshire) or Humberside (East Yorkshire) site
The role
As a Senior Piping Designer, you’ll have a role that’s out of the ordinary. You’ll design safe, maintainable piping systems and plant layouts that enable clean energy and defence projects to move from concept to reality.
Cavendish Nuclear is powering one of the UK’s most strategically important nuclear programmes, partnering with Springfield Fuels Limited to deliver a brand‑new, cutting‑edge facility at the Springfields site in Preston that will convert Reprocessed Uranium into UF6 at a scale of 2,500 tonnes per year. This nationally critical project, featuring a new RepU conversion plant, a Fluorine Production Plant and modern support facilities, is set to be operational by 2031, and we’re building a major multidisciplinary team to make it happen.
Day‑to‑day you’ll be required to:
* Design piping systems and plant layouts that can be safely installed, operated and maintained.
* Work from piping and instrumentation diagrams (P&IDs) to generate accurate Plant 3D models, equipment layouts and pipe routing.
* Produce core deliverables—piping isometrics, general arrangements and support details—and check design outputs from other designers.
* Coordinate across disciplines, clients and sub‑contractors to optimise design and integrate vendor models.
* Apply QA/QC procedures and piping specifications consistently throughout concept, FEED and detailed design stages.
This is a permanent, full‑time role working 37 hours per week based in Warrington (Cheshire) or Humberside (East Yorkshire).
Essential experience of the Senior Piping Designer:
* Proficiency in Autodesk Plant 3D (reskilling from PDMS/AutoPlant considered).
* Expertise with Navisworks Manage for model review and clash detection.
* Experience using Autodesk ReCap for reality capture/point clouds.
* Demonstrable ability to interpret and work from P&IDs.
* Track record producing isometrics, general arrangements and support details to nuclear‑grade standards.
Qualifications for the Senior Piping Designer:
* MinimumHNC in Engineering (or equivalent experience).
Security Clearance
The successful candidate must be able to achieve and maintain Standard (BPSS) security clearance for this role. Further details are available at United Kingdom Security Vetting: clearance levels - GOV.UK (www.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.
Cavendish Nuclear
As a leader within the UK nuclear industry, Cavendish Nuclear, part of Babcock International Group, provides a comprehensive range of critical nuclear solutions in clean energy, defence and civil new build and decommissioning projects. Together, we’re innovating to make nuclear safer, faster and cost-effective across the nuclear energy life cycle. Your career with us could take you anywhere within Babcock International Group – from Canada, the USA to Japan. Work with us to create a safe and secure world, 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: 05/02/2026
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