Mechanical Engineer

We Served; Whitehaven; Hybrid; GBP 60,000 - GBP 80,000; Full time

Job summary

A leading nuclear solutions provider is seeking a Mechanical Engineer in Whitehaven, UK, to support significant clean-energy and decommissioning projects. The role involves collaboration across project teams, technical investigations, and applying engineering standards. Candidates should possess an engineering degree and experience with CAD tools, fostering strong stakeholder relationships. This full-time position offers hybrid working arrangements and various employee benefits.

Benefits

Generous holiday allowance

Matched contribution pension scheme

Access to health consultations

Employee share scheme

Reservists in armed forces receive paid leave

Volunteering day off

Development opportunities

Qualifications

• Proficient in CAD tools and general engineering practices.
• Experience in building influential stakeholder relationships.
• Proactive and focused on delivery.

Responsibilities

• Drive collaboration across engineering and project teams.
• Act as a technical interface with customers and suppliers.
• Conduct technical investigations to improve designs.
• Ensure application of engineering standards and safety requirements.
• Support the development of design specifications and documentation.

Skills

Proficiency with CAD tools

Strong knowledge of general engineering drawing practice

Ability to build strong relationships with stakeholders

Proactive mindset

Education

Engineering degree in a relevant mechanical or engineering discipline

Job description

Overview

Job Title: Mechanical Engineer

Location: Whitehaven, Cumbria + Hybrid Working Arrangements

Compensation: Competitive Salary + Benefits

Role Type: Full time / Permanent

Role ID: SF70333

Help Shape the Future of Nuclear Decommissioning

At Cavendish Nuclear, we’re working to create a safe and secure world, together. If you join us, you can play your part as a Mechanical Engineer at either of our Westlake’s Science Park, Moor Row or Warrington, Cheshire sites.

Role

As a Mechanical Engineer, you’ll join our expanding Design Services Alliance Task Team, contributing to some of the UK’s most significant clean‑energy and civil decommissioning programmes. This is an opportunity to work on technically diverse, highly regulated engineering projects that directly support the safe deconstruction and futureproofing of nuclear facilities.

You’ll be part of a multidisciplinary engineering community, collaborating across design, safety, and project teams. Your work will help enhance plant performance, improve engineering standards, and develop innovative solutions that support essential national infrastructure—while accelerating your own technical and professional growth.

Day-to-day, you’ll have the following responsibilities:

• Driving effective collaboration across engineering and project delivery teams
• Acting as a technical interface with customers, suppliers, and wider stakeholders
• Conducting technical investigations and analysis to improve designs and resolve issues
• Ensuring correct application of engineering codes, standards, and safety requirements
• Supporting development of design specifications, models, and documentation

This is a full‑time role working 37 hours per week based at either of our Westlake’s Science Park, Moor Row or Warrington, Cheshire sites with occasional travel to other project sites as required.

Essential experience

• Proficiency with CAD tools and strong knowledge of general engineering drawing practice
• Ability to build strong, influential relationships with key stakeholders
• A proactive, delivery‑focused mindset with the confidence to challenge and improve existing approaches.

Qualifications

• Engineering degree (or equivalent) in a relevant mechanical or engineering discipline.

Security Clearance

The successful candidate must be able to achieve and maintain Standard (BPSS) security clearance for this role. Further details are available at GOV.UK: UK Security Vetting.

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 to buy or sell additional leave (open Feb–Mar annually)
• Be Kind Day: one paid day per year for volunteering
• Development opportunities and wellbeing benefits

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.

Closing date: 17/02/2026

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