Senior Mechanical Engineer
// Role Summary
Join Cavendish Nuclear as a Senior Mechanical Engineer, playing a vital role in a major civil nuclear decommissioning programme. You will lead complex engineering tasks, collaborate across multidisciplinary teams, and ensure the safe dismantling and future-proofing of nuclear facilities.
// Key Responsibilities
- Lead complex mechanical engineering tasks and develop innovative solutions for nuclear decommissioning.
- Produce and review high-quality engineering documentation, including calculations and reports.
- Collaborate with multidisciplinary teams and build strong relationships with customers.
- Ensure rigorous application of relevant procedures, codes, and standards.
- Identify and manage project risks, contributing to safety assessments and continuous improvement.
- Must achieve and maintain Standard (BPSS) / Security Check (SC) security clearance.
// Role Specification
Senior Mechanical Engineer
At Cavendish Nuclear, we are committed to creating a safe and secure world, and you can play your part as a Senior Mechanical Engineer at one of our key UK locations.
As a Senior Mechanical Engineer, you will be a key contributor to a major civil nuclear decommissioning programme. This initiative focuses on the safe dismantling and remediation of legacy nuclear infrastructure, with a strong emphasis on environmental protection, regulatory compliance, and long-term sustainability. You will work within a multidisciplinary team to develop and integrate complex mechanical systems, applying innovative engineering solutions to support the safe deconstruction and future-proofing of nuclear facilities.
Day-to-day, you will 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) offering hybrid working arrangements with three days in the office/onsite. Key locations include Warrington (Cheshire), Hessle (East Riding of Yorkshire), or Preston (Lancashire).
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 Check (SC) security clearance for this role.