Mechanical Senior Supervisor

Join to apply for the Mechanical Senior Supervisor role at Babcock International Group

Location: Holyhead, Anglesey

Compensation: £35,838.21 plus Shift allowance of £3,978

Role Type: Full time / Permanent

Role ID: SF66164

Lead with Purpose. Engineer with Pride. At Babcock, we’re working to create a safe and secure world, together. If you join us, you can play your part as a Mechanical Senior Supervisor at RAF Valley, near Holyhead, Anglesey.

As a Mechanical Senior Supervisor, you’ll be at the heart of our aircraft maintenance operations, leading a skilled team to ensure the safety, airworthiness, and readiness of critical defence assets. This is a hands-on leadership role where your technical expertise and ability to guide others will directly support the UK’s air capability and make a meaningful impact on national security.

Day-to-day responsibilities include:

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• Leading and supervising maintenance and diagnostic activities on aircraft and components.
  
• Ensuring tasks are completed safely, efficiently, and in line with airworthiness standards.
  
• Supporting flying operations during peak periods and assisting with turnaround maintenance.
  
• Providing guidance and mentoring to less experienced technicians.
  
• Maintaining compliance with technical documentation and organisational procedures.
  

You’ll be based at RAF Valley, working 37.5 hours per week on a Monday to Friday shift pattern (0600–1300). This is an onsite role, with occasional voluntary recovery travel.

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• Experience at supervisor level with full trade authorities.
  
• Aircraft platform training and fault diagnosis experience.
  
• Familiarity with Quality and Air Safety Management Systems.
  
• Proven ability to lead and support a dynamic technical team.
  

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• City & Guilds 2675 or NVQ Level 3 in Aeronautical Engineering.
  
• Aviation Engineering Apprenticeship.
  

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 - GOV.UK (www.gov.uk).

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• 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 to buy or sell leave annually (window February–March)
  
• Be Kind Day for paid volunteering leave
  
• Development opportunities and wellbeing support
  

Babcock International

For over a century Babcock has helped to defend nations, protect communities and build a better world. We are an inclusive, disability-confident employer. If you need any reasonable adjustments during the application and selection stages, please email with the subject header “Reasonable adjustments requirement”. We’re open to flexible working arrangements – please ask about alternative patterns of work at interview.

Closing date: 19/09/2025

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