Mechanical Commissioning Engineer

Job Title: Mechanical Commissioning Engineer

Location: Hinkley Point C, Bridgwater, Somerset

Compensation: Attractive Salary + Benefits

Role Type: Full time / Permanent

Role ID: SF74320

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 Commissioning Engineer at Hinkley Point C, near Bridgwater, Somerset.

This is a brilliant opportunity to work as part of the MEH Alliance on the prestigious Hinkley Point C Nuclear project. The alliance work across the project to integrate and coordinate the delivery of all main Mechanical, Electrical, Heating, Ventilation and Air-Conditioning (MEH), cabling and associated support services. This innovative approach will help different contractors work as a single entity to deliver the complex installation of cabling and pipework in the power station’s vast network of rooms.

The role

As a Mechanical Commissioning Engineer, you will play a critical role in one of the UK’s largest and most complex engineering projects.

This is a full-time role, working 37.5 hours per week and based at our Hinkley Point C, near Bridgwater, Somerset site.

Day-to-day, you’ll be required to:

• Supporting the planning, preparation and execution of commissioning activities
• Ensuring systems and equipment are tested, validated and compliant with design specifications
• Collaborating with multidisciplinary teams to resolve technical issues during commissioning
• Producing and reviewing commissioning documentation, procedures and records
• Promoting a strong safety culture and ensuring adherence to all regulatory and quality standards

Essential experience of the Mechanical Commissioning Engineer:

• Demonstrable experience in commissioning, testing or engineering delivery within a regulated industry
• Strong understanding of engineering principles and system integration
• Experience working within nuclear, defence, energy or similarly highly regulated environments
• Ability to interpret technical specifications, drawings and procedures
• Strong communication skills with the ability to work collaboratively across teams

Qualifications for the Mechanical Commissioning Engineer:

• Degree or equivalent qualification in an engineering discipline (or relevant experience)
• Membership of a relevant professional engineering institution is desirable

Security Clearance

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

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 (or equivalent hours) 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

We’re Cavendish Nuclear — a team of c5,000 specialists and a core part of Babcock International Group.

Here, you’ll be part of something bigger. Across clean energy, defence, and civil decommissioning, your work will contribute to projects that are critical to energy security and national protection. Together, we’re shaping a future that lasts — not only through the impact we make, but through meaningful careers that respect your work-life balance.

Join us and discover how far we can go, 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 careers@babcockinternational.com 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: 26/06/2026

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