Office for Nuclear Regulation
Mechanical Engineering Inspector
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£83,292 - £100,032 (plus a London Weighting allowance of £4,194 if applicable) with a Civil Service Pension with an average employer contribution of 27% Bootle, Cheltenham or London (plus hybrid working options) Relocation package of up to £15,000 may be available
Put your mechanical engineering expertise at the heart of nuclear safety
The UK's nuclear industry is changing rapidly as it supports energy security, decarbonisation, national defence, new technologies and the safe decommissioning of older facilities. At the Office for Nuclear Regulation (ONR), we're looking for an experienced Mechanical Engineering specialist to help ensure this transformation is delivered safely and securely.
The role
You'll bring your expertise in nuclear safety significant mechanical systems to the regulation of the nuclear industry across Great Britain. Working with colleagues in Mechanical Engineering and Structural Integrity, as well as specialists from other technical disciplines, you'll primarily assess safety cases or inspect licensees' arrangements on site.
Your work could also include investigations, research projects, international collaboration and mentoring colleagues. You'll provide authoritative advice in your specialism, lead technical assessments and make proportionate, evidence-based judgements about the adequacy of safety cases and site-based interventions.
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The systems you encounter could span ventilation and containment, lifting and fuel handling, power reactors, chemical and process plant, heat transfer, pressure systems and transport packages. This breadth makes the role both technically challenging and genuinely varied.
About you
You'll bring:
- In-depth technical knowledge of nuclear safety significant mechanical systems across their lifecycle, from design and installation through to operation, maintenance and decommissioning.
- Knowledge of the nuclear industry or another high-hazard sector.
- Strong technical judgement and decision-making skills, with the ability to make logical, proportionate and risk-based recommendations.
- A good honours degree, or equivalent, in a relevant subject - or equivalent professional performance and experience.
- Chartered membership of a relevant professional institution - or equivalent professional performance and experience.
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Why join ONR?
ONR regulates a diverse and fascinating sector - from advanced reactor designs and the existing fleet to the nuclear fuel cycle, decommissioning and defence facilities. You'll work alongside highly experienced specialists, broaden your expertise and contribute directly to protecting workers, the public and the environment.
As the UK's independent nuclear regulator, we offer a supportive, inclusive and flexible working environment where expertise is valued, development is encouraged, and colleagues are empowered to make a meaningful impact.
You'll join a supportive, inclusive organisation where public service, technical excellence and collaboration are central. Extensive training is provided on the legal and regulatory aspects of the role, with ongoing opportunities to deepen your specialist knowledge.
Apply now and use your mechanical engineering expertise to help secure a safe and sustainable nuclear future.
Closing date: 30th September 2026
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