Principal Mechanical Engineer
// Role Summary
Lead engineering excellence in nuclear decommissioning as a Principal Mechanical Engineer, driving the integration of complex mechanical systems and developing innovative solutions for safe facility management. This role offers a pivotal position within a major UK civil nuclear programme, requiring strong leadership and technical authority.
// Key Responsibilities
- Lead and manage multidisciplinary engineering teams on complex projects.
- Act as a senior technical authority within nuclear decommissioning.
- Develop and integrate complex mechanical systems for safe facility management.
- Oversee engineering outputs, ensuring quality and compliance.
- Engage with customers and mentor junior engineers.
- Must be able to achieve and maintain BPSS security clearance.
// Role Specification
Principal Mechanical Engineer - Nuclear Decommissioning
At Cavendish Nuclear, we are committed to creating a safe and secure world. We are seeking a Principal Mechanical Engineer to join our team and play a pivotal role in one of the UK’s major civil nuclear decommissioning programmes.
This role is based at either our Westlake’s Science Park, Moor Row or Warrington, Cheshire sites, with hybrid working arrangements available. You will be working full-time, permanent, 37 hours per week.
The Role
As a Principal Mechanical Engineer, you will serve as a senior technical authority within a multidisciplinary engineering environment. You will be responsible for the integration of complex mechanical systems and the development of innovative solutions to support the safe deconstruction and long-term management of nuclear facilities.
Key responsibilities include leading engineering teams, overseeing high-integrity technical outputs, safeguarding design quality, and acting as a primary interface for customers. You will also mentor engineers and champion continuous improvement across projects, positioning yourself at the technical forefront of a major expansion within the Cavendish Nuclear Design Services Alliance.
Key Responsibilities:
- Lead and manage multidisciplinary engineering teams to deliver high-quality technical solutions.
- Supervise and mentor engineers and technical specialists to ensure performance and development.
- Act as a key liaison with customers, ensuring transparent communication and technical clarity.
- Oversee the production, review, and approval of engineering outputs, including calculations, specifications, and reports.
- Champion safety, quality, and engineering best practice across all project activities.
Essential Experience:
- Extensive experience leading multidisciplinary engineering teams and delivering complex technical projects.
- Proven ability to supervise and mentor engineers and technical specialists.
- Strong background in producing, reviewing, and approving detailed engineering outputs.
- Demonstrated expertise in applying procedures, codes, and standards to ensure compliance and integrity.
- Track record of effective customer engagement, issue resolution, and technical support.
Qualifications:
- Engineering degree (or equivalent) in a relevant engineering discipline.
Security Clearance:
The successful candidate must be able to achieve and maintain Standard (BPSS) security clearance for this role.
What We Offer:
We offer a competitive salary and benefits package, including:
- Generous holiday allowance
- Matched contribution pension scheme with life assurance
- Access to a Digital GP, annual health check, and nutritional consultations
- Employee share scheme
- Employee shopping savings portal
- Payment of Professional Fees
- Special paid leave for reservists in the armed forces
- Holiday Trading
- ‘Be Kind Day’ for volunteering
- Excellent development opportunities and an employee assistance programme supporting wellbeing.
Cavendish Nuclear is a part of Babcock International Group, contributing to critical projects in clean energy, defence, and civil decommissioning. We are a disability confident committed employer and welcome applications for flexible working.