Senior Mechanical Engineer

Babcock Mission Critical Services Espa?a SA.; England; Hybrid; GBP 100,000 - 125,000; Full time

Job summary

A leading engineering firm is seeking a Senior Mechanical Engineer to enhance operational resilience in public sector Defence nuclear projects. This full-time, permanent role involves leading complex mechanical engineering tasks and collaborating with multidisciplinary teams. The ideal candidate will have an engineering degree, proven project lifecycle experience, and excellent communication skills. This position offers hybrid working arrangements and a comprehensive benefits package.

Benefits

Matched contribution pension scheme

Life assurance

Access to a Digital GP

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 the delivery of complex mechanical engineering tasks.
• Foster collaboration across engineering and cross-functional teams.
• Build and maintain strong relationships with customers.

Skills

Engineering delivery

Multidisciplinary teamwork

Technical documentation

Stakeholder engagement

Education

Engineering degree or equivalent

Job description

Senior Mechanical Engineer

Location: Flexible, UK

Job Title: Senior Mechanical Engineer

Compensation: Competitive Salary + Benefits

Role Type: Full time / Permanent

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, at one of our key locations: Bristol, Warrington (Cheshire), Newbury (Berkshire) or Preston (Lancashire).

The role

As a Senior Mechanical Engineer, you'll have a role that's out of the ordinary. This role will contribute to 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, requiring innovative engineering solutions within a multidisciplinary team.

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 is a full–time, permanent position (37 hours per week) and provides hybrid working arrangements with three days in the office, based at one of our key locations: Bristol, Warrington (Cheshire), Newbury (Berkshire) or Preston (Lancashire).

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.

We offer a comprehensive range of benefits, including matched contribution pension scheme, life assurance, access to a Digital GP, and excellent development opportunities. We are a disability confident committed employer and are happy to talk about flexible working arrangements.

We are committed to building an inclusive culture where everyone's free to thrive. If you have a disability or need any reasonable adjustments during the application and selection stages, please email .