Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Lead innovative engineering projects for the Royal Navy's submarine maintenance operations.
- Company: Join Babcock, a leader in defence and infrastructure development.
- Benefits: Enjoy hybrid working, competitive pension, health support, and professional development opportunities.
- Why this job: Make a real impact on national security while advancing your engineering career.
- Qualifications: Degree in engineering and experience in regulated industries required.
- Other info: Inclusive culture with excellent career growth and volunteering opportunities.
The predicted salary is between 36000 - 60000 £ per year.
Principal Mechanical Engineer
Location: Devonport, Plymouth, GB, PL1 4SG. Onsite or Hybrid: Hybrid
Job Title: Principal Mechanical Engineer
Role Type: Full time / Permanent
At Babcock, we’re working to create a safe and secure world, together. If you join us, you can play your part as a Principal Mechanical Engineer at Devonport, near Plymouth, Devon.
The role
As a Principal Mechanical Engineer, you’ll be at the heart of one of the UK’s most significant infrastructure programmes, supporting the upgrade and development of facilities for the Royal Navy’s submarine maintenance operations.
Day-to-day, you’ll be part of our Major Infrastructure Projects (MIP) Business Unit, helping to deliver complex engineering solutions that shape the future of naval capability.
- Apply systems engineering approaches to develop and validate design requirements
- Ensure compliance with client specifications, technical regulations and standards
- Collaborate across engineering functions and stakeholders to integrate designs and manage interfaces
- Technically manage specialist sub-contract designers
- Maintain the engineering configuration of the design intent through change control
Essential experience of the Principal Mechanical Engineer:
- Proven background in mechanical engineering within Defence, Nuclear, Oil and Gas or other highly regulated industries
- Strong understanding of mechanical process systems and building services (e.g. water services, industrial gases)
- Knowledge of regulations and standards relevant to mechanical system design and construction, including CDM responsibilities
- Experience in substantiating process equipment for Nuclear Safety Functions (desirable)
- Experience supporting design for construction, operation, or refit of submarines or related facilities (desirable)
Qualifications for the Principal Mechanical Engineer:
- A degree, degree apprenticeship, or demonstrable time served in an appropriate engineering discipline
- Chartered Engineer status or actively working towards registration with the Engineering Council
This role is full time, 35 hours per week and provides hybrid working arrangements with typically 2 days in the office/onsite and 3 days working from home.
Security Clearance
The successful candidate must be able to achieve and maintain Security Check (SC) security clearance for this role.
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 with the subject header ‘Reasonable adjustments requirement’. We’re committed to building an inclusive culture where everyone’s free to thrive.
What we offer
- 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.
- ‘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.
#J-18808-Ljbffr
Principal Mechanical Engineer employer: Babcock Mission Critical Services España SA.
Contact Detail:
Babcock Mission Critical Services España SA. Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Principal Mechanical Engineer
✨Tip Number 1
Network like a pro! Reach out to your connections in the engineering field, especially those who have experience in defence or nuclear sectors. A friendly chat can lead to insider info about job openings that aren’t even advertised yet.
✨Tip Number 2
Prepare for interviews by brushing up on your technical knowledge and understanding of mechanical systems. Be ready to discuss how your experience aligns with the role at Babcock, especially around compliance and design requirements.
✨Tip Number 3
Don’t underestimate the power of a follow-up! After an interview, drop a quick thank-you email to express your appreciation and reiterate your enthusiasm for the role. It keeps you fresh in their minds!
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows you’re genuinely interested in joining the team at Babcock and contributing to those major infrastructure projects.
We think you need these skills to ace Principal Mechanical Engineer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Principal Mechanical Engineer role. Highlight your experience in mechanical engineering, especially within Defence or other regulated industries. We want to see how your skills align with our needs!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re passionate about this role and how your background makes you a perfect fit. Don’t forget to mention any relevant projects or experiences that showcase your expertise.
Showcase Your Technical Skills: In your application, be sure to highlight your technical skills and knowledge of regulations relevant to mechanical system design. We’re looking for someone who can apply systems engineering approaches, so give us examples of how you’ve done this in the past.
Apply Through Our Website: We encourage you to apply through our website for the best chance of success. It’s straightforward and ensures your application gets to the right people. Plus, you’ll find all the details you need about the role and our company!
How to prepare for a job interview at Babcock Mission Critical Services España SA.
✨Know Your Stuff
Make sure you brush up on your mechanical engineering knowledge, especially in areas relevant to Defence, Nuclear, and Oil and Gas. Be ready to discuss specific projects you've worked on and how they relate to the role at Babcock.
✨Understand the Role
Familiarise yourself with the responsibilities of a Principal Mechanical Engineer, particularly in relation to naval infrastructure. Think about how your experience aligns with their needs, especially in systems engineering and compliance with technical regulations.
✨Show Your Collaborative Side
Babcock values teamwork, so be prepared to share examples of how you've successfully collaborated with other engineering functions or stakeholders. Highlight any experience managing interfaces or working with sub-contract designers.
✨Prepare for Security Clearance Questions
Since this role requires Security Check (SC) clearance, be ready to discuss your background and any potential issues that could affect your eligibility. It's important to demonstrate your reliability and trustworthiness.