Senior Mechanical Engineer

-; Leicester; On-site; GBP 45,000 - 65,000; Full time

Job summary

A leader within the UK nuclear industry is seeking a Senior Mechanical Engineer to support critical energy infrastructure projects. The role involves collaboration across teams, ensuring technical compliance, and leading engineering tasks. Candidates must possess an engineering degree and relevant experience in the field. Offers include generous holidays and professional development opportunities.

Benefits

Generous holiday allowance

Matched contribution pension scheme

Access to Digital GP and health consultations

Employee share scheme

Payment of Professional Fees

'Be Kind Day' for volunteering

Qualifications

• Proven experience delivering engineering activities across the full project lifecycle, from concept to implementation.
• Demonstrated ability to work effectively within multidisciplinary teams.
• Strong track record of producing and reviewing engineering documents.

Responsibilities

• Foster collaboration across engineering and cross‑functional teams.
• Build relationships with customers and provide technical insight.
• Lead the production and review of engineering outputs.

Skills

Engineering activities delivery

Multidisciplinary teamwork

Detailed engineering documentation production

Stakeholder communication

Education

Engineering degree or equivalent

Job description

Senior Mechanical Engineer

Location: Leicester, Leicestershire – Hybrid Working Arrangement

Role Overview

At Cavendish Nuclear we are creating a safe and secure world. As Senior Mechanical Engineer you will support the Graphite Inspection Equipment Reliability and Operations (GIERO) programme – a strategic initiative led by EDF to modernise critical energy infrastructure and deliver complex engineering solutions across nuclear and low‑carbon assets.

Responsibilities

• Foster collaboration across engineering and cross‑functional teams to ensure cohesive project delivery and technical alignment.
• Build and maintain strong relationships with customers, providing clear communication and technical insight to support project progress and business development.
• Apply relevant procedures, codes, and standards rigorously to all engineering activities, ensuring compliance and technical excellence.
• Lead the production and review of engineering outputs – including calculations, drawings, models, and reports – while maintaining design integrity throughout the lifecycle.
• Identify and manage project risks, contribute to safety assessments, and support continuous improvement through technical evaluations and process enhancements.

Essential Experience

• Proven experience delivering engineering activities across the full project lifecycle, from concept design through to implementation.
• Demonstrated ability to work effectively within multidisciplinary teams, contributing to complex technical solutions and project outcomes.
• Strong track record of producing and reviewing detailed engineering documentation, including calculations, drawings, and technical reports.
• Excellent communication skills with the ability to engage confidently with stakeholders and customers to resolve technical and delivery challenges.

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 clearance for this role. Further details are available at United Kingdom Security Vetting: clearance levels - GOV.UK (www.gov.uk).

What We Offer

• 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 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.
• '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.
• Excellent development opportunities and benefits package including an employee assistance programme supporting physical, mental and financial wellbeing.

Cavendish Nuclear

As a leader within the UK nuclear industry, Cavendish Nuclear – part of Babcock International Group – provides a comprehensive range of critical nuclear solutions in clean energy, defence and civil new build and decommissioning projects. Together, we are innovating to make nuclear safer, faster and cost‑effective across the nuclear energy life cycle. Your career with us could take you anywhere within Babcock International Group – from Canada, the USA to Japan. Work with us to create a safe and secure world, 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 [e-mail] with the subject header 'Reasonable adjustments requirement'. We are 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.