Mechanical Engineer

Job Title:                     Mechanical Engineer

Location:                     Plymouth, Devon + Hybrid Working Arrangements

Compensation:           £39,000 - £48,800 Depending on Experience + Benefits

Role Type:                   Full time / Permanent

Role ID:                       SF74055

At Babcock we’re working to create a safe and secure world, together, and if you join us, you can play your part as a Mechanical Engineer at our Devonport Royal Dockyard site.

The role

As a Mechanical Engineer, you’ll be part of the Nuclear Steam Raising Plant Interface Equipment team, supporting the design and development of equipment that interfaces with submarine reactor plant systems. Your work will directly contribute to the safe operation, maintenance and refit of nuclear submarines, making a tangible impact on national defence.

Day-to-day, you’ll have a technically rewarding opportunity to develop your engineering expertise across the full design lifecycle, working on complex systems in a highly regulated environment. You’ll collaborate with multidisciplinary teams, contribute to critical engineering decisions, and continue to build your professional capability within the nuclear engineering discipline. Your responsibilities will include:

• Producing design documentation and technical assessments to support engineering projects
• Developing engineering designs across the full lifecycle, from concept through to implementation
• Providing technical advice and guidance to support compliance with standards and legislation
• Supporting design reviews, hazard studies and engineering analysis activities
• Collaborating with engineering teams to deliver outputs in line with project schedules and budgets

This role is full time, 35 hours per week and provides hybrid working arrangements.

Essential experience of the Mechanical Engineer

• Understanding of mechanical engineering principles, particularly in pressure systems or pipework design
• Knowledge of the engineering design lifecycle and associated processes
• Awareness of relevant engineering legislation, standards and regulatory requirements
• Experience in areas such as computer-aided design, fluid systems, or engineering analysis (desirable)
• Strong problem-solving, communication and organisational skills

Qualifications for the Mechanical Engineer

• HNC or equivalent qualification in a mechanical engineering discipline

Security Clearance

The successful candidate must be a sole UK National who is able to achieve and maintain Naval Nuclear Propulsion Information (NNPPI) security clearance for this role.

Many of the positions within our company are subject to national security clearance and Trade Control restrictions. This means that your eligibility for certain roles may be affected by your place of birth, nationality, current or former citizenship, and any residency you hold or have held. Further details are available at United Kingdom Security Vetting: clearance levels - 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 Babcock employees to buy additional leave or to sell up to one working week of annual leave from their annual entitlement. There is an annual Window to request this benefit. ‘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.

Babcock

We’re Babcock — a global FTSE 100 organisation with over 26,000 people working together to make a difference.

Here, you’ll be part of something bigger. From initial design to final decommissioning, your work will contribute to products and services that are essential to national security and public infrastructure. Together, we’re building a future that lasts — not just through the impact we make, but through meaningful careers that respect your work-life balance.

We call that lifetime engineering.

Join us and see 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 View email address on jobs.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: 26/08/2026

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