Modular Reactor Systems Engineering Lead

Company: Babcock Mission Critical Services España SA.
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Systems Engineering Lead

Location: Flexible, UK (Hybrid)

Job Title: Modular Reactor Systems Engineering Lead

Compensation: Attractive Salary + Benefits

Role Type: Full time / Permanent

Role ID: SF72108

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 a Modular Reactor Systems Engineering Lead at the centre of this momentum and build your career across the nuclear and defence sectors.

The role

We’re seeking a Modular Reactor Systems Engineering Lead to 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.

It is a full‑time role working 37 hours per week. It is based flexibly across our UK locations, with ad‑hoc travel to the North West (including Warrington and Manchester) as required.

Day-to-day, you’ll be required to:

  • Lead systems engineering activities across complex modular reactor and nuclear design programmes
  • Provide technical leadership and decision‑making authority across the full engineering lifecycle
  • Deliver and assure high‑quality designs, analyses, calculations and technical documentation
  • Lead engineering assurance activities including validation, verification and technical reviews
  • Coach and mentor engineers while working collaboratively across multidisciplinary teams

Essential experience:

  • Extensive experience across the full systems engineering lifecycle
  • Proven ability to lead, influence and make sound technical decisions in complex environments
  • Experience delivering engineering assurance, validation and verification activities
  • Background working in highly regulated industries
  • Experience engaging with multiple stakeholders across interdisciplinary engineering teams

Qualifications:

  • Chartered Engineer status, or working towards this, or equivalent experience
  • Degree‑level qualification in engineering or a relevant technical discipline
  • Strong practical knowledge of systems engineering principles
  • Experience leading technical reviews and assurance activities
  • Ability to communicate complex technical information clearly and effectively

We’re Cavendish Nuclear — a team of 5,000 specialists and a core part of Babcock International Group.

Here you’ll contribute to clean energy, defence, and civil decommissioning projects that are critical to energy security and national protection.

Join us and discover how far we can go together.

We are a disability‑confident, inclusive 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 are committed to building an inclusive culture where everyone can thrive.

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Posted: June 10th, 2026