Principal Process Engineer
Location: Flexible, UK + Hybrid Working Arrangements
Onsite or Hybrid: Hybrid
Job Title: Principal Process Engineer
Role Type: Full time / Permanent
Role ID: SF71440
Lead the Breakthrough Engineering That Wins the Future
About Us
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 Principal Process Engineer within our Business Winning team at one of our main sites: Warrington (Cheshire), Preston (Lancashire), Leicester (Leicestershire), Newbury (Berkshire), or Bristol.
As a Principal Process Engineer within our Business Winning, you’ll play a central role in shaping the technical solutions and engineering excellence that help us secure the projects powering the UK’s clean‑energy, defence and decommissioning future. You’ll lead multidisciplinary engineering inputs that strengthen our bids, influence high‑value programmes, and contribute directly to work that protects national capability.
The Role
As a Principal Process Engineer, you will provide process engineering leadership across complex bids and early‑stage project definition within our Business Winning team.
This is a full‑time role based at one of our main sites: Warrington (Cheshire), Preston (Lancashire), Leicester (Leicestershire), Newbury (Berkshire), or Bristol with travel to other Cavendish Nuclear and customer locations as required. Hybrid working arrangements are available.
Day‑to‑day you’ll be required to:
* Lead the process engineering elements of bids.
* Develop and deliver engineering scope, schedules and resource plans.
* Ensure technical integrity, compliance, and quality.
* Produce and review technical reports and verification plans.
* Promote engineering best practice and mentor others.
Essential experience of the Principal Process Engineer:
* Significant demonstrable experience in a relevant engineering discipline.
* Chartered Engineer status or working towards it.
* Experience managing teams delivering technical activities.
* Ability to interface with multiple disciplines and stakeholders.
* Strong communication and influencing skills.
Qualifications for the Principal Process Engineer:
* Engineering degree (or equivalent) with significant experience.
Security Clearance
The successful candidate must be a sole UK national who is able to achieve and maintain Security Check (SC) security clearance for this role.
* 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
* Flexible working options
* A dynamic working environment
Join us
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.
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