Senior Mechanical Engineer

Babcock International; Leicester; Hybrid; GBP 100,000 - 125,000; Full time

Job summary

A leading engineering firm in Leicester seeks a Senior Mechanical Engineer to support critical energy infrastructure projects. The role involves leading complex engineering tasks, collaborating with multidisciplinary teams, and managing project risks. Candidates must possess an engineering degree and proven experience in engineering activities. Hybrid working arrangements are available, with a generous benefits package including holiday allowance and professional development opportunities.

Benefits

Generous holiday allowance

Matched contribution pension scheme

Access to a Digital GP

Employee share scheme

Excellent development opportunities

Qualifications

• Proven experience delivering engineering activities across the full project lifecycle.
• Demonstrated ability to work effectively within multidisciplinary teams.
• Strong track record of producing and reviewing detailed engineering documentation.

Responsibilities

• Lead delivery of complex mechanical engineering tasks.
• Build and maintain strong relationships with customers.
• Identify and manage project risks and contribute to safety assessments.

Skills

Technical problem solving

Communication

Team collaboration

Education

Engineering degree (or equivalent)

Job description

Overview

Job Title: Senior Mechanical Engineer

Location: Leicester, Leicestershire

Compensation: Competitive + Benefits

Role Type: Full time / Permanent

Role ID: SF66771

At Cavendish Nuclear we’re working to create a safe and secure world, together, and if you join us, you can play your part as a Senior Mechanical Engineer.

The role

As a Senior Mechanical Engineer, you’ll have a role that’s out of the ordinary. You’ll be part of a team supporting the Graphite Inspection Equipment Reliability and Operations (GIERO) programme, a strategic initiative led by EDF to modernize and future-proof critical energy infrastructure. It supports the UK’s transition to a net-zero energy system by delivering complex engineering solutions across nuclear and low-carbon assets. The programme focuses on infrastructure resilience, technical excellence, and sustainability, offering engineers the opportunity to contribute to nationally significant projects with long-term environmental and societal impact.

Day-to-day, you’ll lead the delivery of complex mechanical engineering tasks, applying deep technical expertise to solve challenging problems, produce and review high-quality documentation, and guide junior engineers, while collaborating across disciplines to ensure project milestones are met with precision and integrity.

• 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.

This role is full time, 37 hours per week provides hybrid working arrangements with 3 days in the office/onsite and 2 days working from home.

Essential experience of the Senior Mechanical Engineer

• 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 for the Senior Mechanical Engineer

• Engineering degree (or equivalent qualification) in 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 GOV.UK information on clearance levels.

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 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’re 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’re 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.

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