Job Title: Principal Environmental Permitting Engineer
Location: Flexible, UK + Hybrid Working Arrangement
Compensation: Attractive Salary + Benefits
Role Type: Full time / Permanent
Role ID: SF
Drive Environmental Excellence at The Forefront Of The United Kingdom’s Clean Energy Future
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 Environmental Permitting Engineer at any of our main UK locations, near Bristol, Warrington, Leicester, Newbury, or Preston.
The role
The UK’s small and advanced modular reactor sector is entering a pivotal phase, with major programmes progressing and strong government backing.
Join us as aPrincipal Environmental Permitting Engineerat the centre of this momentum and build your career across the nuclear and defence sector.
We’re seeking a Principal Environmental Permitting Engineerto join our Advanced Nuclear Technologies team, working in a fast‑moving, innovation‑led environment with real national impact. You’ll help shape the next generation of nuclear power through cutting‑edge design, accelerated deployment and projects that strengthen the UK’s long‑term energy resilience. If you want your work to matter at scale, this is the role for you.
This is a full-time role, based across any of our main UK locations. Flexible working patterns are available, and travel to other customer sites will be expected.
Day-to-day, you’ll be required to:
1. Leading and coordinating multidisciplinary teams to deliver environmental and safety outcomes aligned to programme requirements
2. Overseeing environmental permitting activities and ensuring full compliance with United Kingdom regulatory frameworks
3. Building and strengthening environmental capability, processes and best practice across projects
4. Engaging collaboratively with regulators, clients and key stakeholders to maintain strong, trusted relationships
5. Supporting licensing and approval processes by preparing high-quality documentation and ensuring the right expertise is in place
Essential experience of the Principal Environmental Permitting Engineer:
6. Demonstrating strong knowledge of United Kingdom environmental regulation, permitting or site licensing
7. Leading complex engineering or infrastructure projects in highly regulated industries such as nuclear, energy or infrastructure
8. Managing technical teams and delivering outcomes in challenging programme environments
9. Engaging effectively with regulators and external stakeholders
10. Driving continuous improvement in environmental performance and compliance
Qualifications for the Principal Environmental Permitting Engineer:
11. Degree or equivalent in an environmental, engineering or scientific discipline
12. Professional membership or working towards chartered status is desirable
Security Clearance
The successful candidate must be able to achieve and maintain Standard (BPSS) security clearance for this role. Further details are available at
What we offer
13. Generous holiday allowance
14. Matched contribution pension scheme, with life assurance
15. Access to a Digital GP, annual health check, and nutritional consultations through Aviva DigiCare+
16. Employee share scheme
17. Employee shopping savings portal
18. Payment of Professional Fees
19. Reservists in the armed forces receive 10-days special paid leave
20. 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.
21. ‘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
22. 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