Principal Mechanical Engineer

Babcock International; Torpoint; On-site; GBP 90,000 - 125,000; Full time

Benefits offered by this job

Generous holiday allowance

Matched pension scheme with life cover

Digital GP and annual health check

Employee share scheme

Employee shopping savings portal

Payment of Professional Fees

Reservists in the armed forces receive

10-days special paid leave

Be Kind Day

Excellent development opportunities

Job summary

Babcock International invites applications for a Principal Mechanical Engineer to join our Major Infrastructure Projects team. You will provide technical leadership across large defence infrastructure programmes, guiding design reviews and ensuring mechanical systems meet safety, quality, and regulatory requirements.

With experience in marine or highly regulated environments, you will influence multidisciplinary teams and support design integration while maintaining robust safety cases and

Qualifications

• Essential: Degree in Mechanical Engineering.
• Desirable: Chartered Engineer status and registration with the Engineering Council.
• Desirable: Nuclear Introductory Course qualification or equivalent nuclear industry knowledge.

Responsibilities

• Reviewing mechanical engineering designs to ensure compliance with engineering standards and project requirements.
• Providing subject matter expert guidance and technical support across complex infrastructure programmes.
• Supporting the integration of mechanical engineering solutions with wider multidisciplinary design packages.
• Ensuring safety case requirements are substantiated through robust engineering design and documentation.
• Advising on design changes, defect resolution and quality management activities throughout project delivery.

Education

Degree in Mechanical Engineering

Chartered Engineer status

Nuclear Introductory Course qualification

Job description

As a Principal Mechanical Engineer, you'll have an exciting opportunity to join our Major Infrastructure Projects team, delivering complex new-build and upgrade programmes that support ship and submarine sustainment operations. You'll play a key role in ensuring that critical mechanical systems are designed, reviewed and accepted into service, helping to maintain facilities that are fundamental to national security. As a senior engineering professional, you'll work across multidisciplinary teams, influence technical decisions and contribute to projects that have a lasting impact on the UK's defence infrastructure.

Day-to-day, you'll provide technical leadership across major infrastructure projects, ensuring that mechanical engineering solutions are safe, compliant and fit for purpose. You'll use your expertise to review designs, guide project teams and help deliver high-integrity engineering solutions within a highly regulated environment. This role offers the opportunity to work on nationally significant programmes while further developing your technical, leadership and stakeholder management capabilities.

• Reviewing mechanical engineering designs to ensure compliance with engineering standards and project requirements.
• Providing subject matter expert guidance and technical support across complex infrastructure programmes.
• Supporting the integration of mechanical engineering solutions with wider multidisciplinary design packages.
• Ensuring safety case requirements are substantiated through robust engineering design and documentation.
• Advising on design changes, defect resolution and quality management activities throughout project delivery.

Essential experience of the Principal Mechanical Engineer

• Extensive experience in mechanical engineering within a marine, highly regulated or high-hazard environment.
• Experience supporting the design, verification or acceptance of complex engineering systems.
• Knowledge of substantiating high-integrity systems and demonstrating compliance against defined requirements.
• Experience working within regulated industries where safety and quality are critical.
• Understanding of engineering change management within a nuclear-regulated environment.

Qualifications for the Principal Mechanical Engineer

• Essential: Degree in Mechanical Engineering.
• Desirable: Chartered Engineer status and registration with the Engineering Council.
• Desirable: Nuclear Introductory Course qualification or equivalent nuclear industry knowledge.

Security Clearance

The successful candidate must be a sole UK National who is able to achieve and maintain Security Check (SC)) security clearance for this role.

We're Babcock

We're Babcock - a global FTSE 100 organisation with over 29,000 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.

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.