Job Title
Principal Mechanical Engineer
Location
Bristol or Warrington, Cheshire
Compensation
Competitive Salary + Benefits
Role Type
Full time / Permanent
Role ID
SF66879
Role Overview
Drive Innovation in Defence Nuclear Engineering at Cavendish Nuclear. Join a high‑impact public sector defence nuclear infrastructure initiative focused on enhancing operational resilience and sustainability across critical systems. The project involves complex mechanical systems integration and requires innovative engineering solutions within a multidisciplinary team.
Responsibilities
- Lead and manage multidisciplinary engineering teams to deliver high‑quality technical solutions aligned with customer requirements and project scope.
- Supervise and mentor engineers and technical specialists, ensuring effective performance, development, and adherence to engineering standards.
- Act as a key liaison with customers, fostering strong relationships and ensuring transparent communication on technical progress and delivery.
- Oversee the production, review, and approval of engineering outputs, including calculations, specifications, and reports, ensuring compliance with relevant codes and standards.
- Champion health, safety, and environmental standards across engineering activities, promoting a culture of best practice and continuous improvement.
Essential Experience
- Extensive experience leading multidisciplinary engineering teams and delivering complex technical projects within agreed scope, timeframes, and quality standards.
- Proven ability to supervise and mentor engineers and technical specialists, fostering professional development and ensuring high performance.
- Strong background in producing, reviewing, and approving detailed engineering outputs, including calculations, specifications, and technical reports.
- Demonstrated expertise in applying relevant procedures, codes, and standards to ensure compliance and technical integrity across engineering activities.
- Track record of effective customer engagement, including managing relationships, resolving technical issues, and supporting business development initiatives.
Qualifications
- Engineering degree (or equivalent qualification) in a relevant engineering discipline, with significant demonstrable experience.
Security Clearance
The successful candidate must be able to achieve and maintain Standard (BPSS) / Security Check (SC) security clearance for this role. Further details are available at United Kingdom Security Vetting: clearance levels - GOV.UK (www.gov.uk).
Benefits
- 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 allows employees to buy additional leave or sell up to one working week of annual leave from their entitlement (open February through March annually).
- ‘Be Kind Day’ enables employees to take one working day’s paid leave a year 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.
Company Overview
We’re Cavendish Nuclear—a team of c5,000 specialists and a core part of Babcock International Group. Across clean energy, defence, and civil decommissioning, our work contributes to projects that are critical to energy security and national protection. Together, we’re shaping a future that lasts—through the impact we make and meaningful careers that respect work‑life balance.
Disability Statement
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, and we are happy to discuss flexible working arrangements.
Application Closing Date
13/05/2026
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