Job Description

Job Title: Mechanical Senior Supervisor
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.
The role
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, you'll have the following responsibilities:

• 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.
Essential experience of the Mechanical Senior Supervisor:

• 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.

Qualifications for the Mechanical Senior Supervisor:

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

Security Clearance
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 .
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. 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.

Babcock International
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 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: 19/09/2025
#AVIATION24

Skills Required