Senior Mechanical Engineer

Job Title: Senior Mechanical Engineer

Location: Devonport, Plymouth, Rosyth, Fife, Bristol

Compensation: £51,720 - £63,443 + Benefits

Role Type: Full time / Permanent

As a Senior Mechanical Engineer, you’ll play a pivotal role in designing and optimising marine auxiliary systems for complex naval shipbuilding projects. This is your chance to influence design quality, improve build efficiency, and integrate emerging technologies into next‑generation vessels. Your work will directly contribute to national security and help shape the future of naval engineering.

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

• Lead and support the design, analysis, and substantiation of marine auxiliary systems
• Ensure compliance with naval standards, classification society rules, and defence‑specific requirements
• Produce and review engineering outputs, including P&IDs, schematics, and equipment specifications
• Conduct hazard assessments and FMEAs
• Provide engineering support during production and commissioning, resolving non‑compliances and integration issues

This role is full time and provides hybrid working arrangements with 2 days in the office/onsite and 3 days working from home.

• Proven experience in naval or marine engineering projects, with strong knowledge of auxiliary systems design and integration
• Ability to deliver engineering solutions to time, cost, and quality standards
• Strong analytical and problem‑solving skills, with experience using engineering tools (e.g., CAD, FlowMASTER, Fluid Flow).

• Degree in Marine, Mechanical, or a related engineering discipline (Master’s desirable)
• Chartered Engineer status or working towards chartership with a relevant professional institution (e.g., RINA, IMechE, IMarEst, IET)

The successful candidate must be able to achieve and maintain Security Check (SC) 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 -  ().

• Generous holiday allowance
• Matched contribution pension scheme, with life assurance
• Access to a Digital GP, annual health check, and nutritional consultations through Aviva Digi Care+
• 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. 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.

For over a century Babcock has helped to defend nations, protect communities and build a better world. To continue, we must adapt, advance and be a sustainable business with a shared goal.

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 car 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: 12/01/2026