Aerospace Engineer - Mechanical Design

Capilaux Aero ↗
Doncaster, England, England £40k – £48k / yr Full Time 🇬🇧 United Kingdom Posted: 2026-07-07
Full Job Description

You could help design 'the most advanced fighter jet ever'. Put your aerospace background to good use, as here you would design cutting-edge modifications for the next-gen fighter jets. Your knowledge of airworthiness will see you certifying designs as you go, ensuring compliance with CAA's Part 21, subparts J & G.

Your prospective colleagues are experts in aircraft design, testing and compliance - with DAOS & DOA accreditation. Here, they have built a culture where staff have clear paths for progression, and colleagues consistently talk and each other.

Location: on site in Doncaster; some travel to installation sites. Hybrid available.

Must hold: UK Right to Work; valid UK Driving Licence.

Useful: UK Security Clearance (past or current)

Role:

  • Create and modify designs for aircraft, components and mission systems
  • Certify your designs to meet airworthiness standards (CAA, Part 21J)
  • Manage engineering projects from concept to completion; work with Production and Maintenance to achieve deliverables.
  • If experienced, you may manage other design and certification engineers to ensure work meets schedule and cost targets.
  • You may certify other work's airworthiness, e.g. when maintenance staff submit electrical load analyses, system safety and functional hazard assessments.

Design Experience (desirable):

  • Specialist-knowledge of aircraft engineering, within mechanical/structural design or similar
  • Engineer design work within complex aircraft projects
  • Working to airworthiness regulations – civil or military (e.g. CAA, EASA, FAA, CS, FS or equivalent).
  • Generating design 'data packages'
  • Working on aircraft such as King Air, Piper PA-31, Boeing 727, 757 or similar.

Verification Experience (desirable):

  • Airworthiness design standards - Part 21, subparts J &G; CS 23/25; CAA, EASA or FAA/equivalent
  • Compile/check: Certification Programme, Compliance Checklist or other.
  • Verifying structural substantiations, weight/balance reports, system safety / functional hazard assessments (or similar)
  • Working in a Design Approved Organisation Scheme (DAOS) for MOD
  • Quality-checking and/or auditing work against AS 9100 or ISO9001 standards

Benefits:

  • 25 days holiday + bank holidays
  • Hybrid working
  • Private health care
  • Salary sacrifice, electric car scheme
  • Company pension
  • Culture of high expertise colleagues, who consistently communicate and help each other
  • Employee Ownership scheme, via Employee Ownership Trust (EOT); have a say in company-wide decisions for how things go

Job Type: Full-time

Salary: £40,000.00-£48,000.00 per year

Benefits:

  • Company pension
  • Flexitime
  • On-site parking
  • Private medical insurance

Schedule:

  • Day shift
  • Flexitime
  • Monday to Friday

Ability to commute/relocate:

  • Doncaster: reliably commute or plan to relocate before starting work (required)

Experience:

  • Aircraft design: 2 years (required)
  • Airworthiness compliance - Part 21J: 1 year (required)
  • Mechanical engineering (or similar): 2 years (preferred)

Licence/Certification:

  • Security Clearance (current or past) (preferred)

Work authorisation:

  • United Kingdom (required)

Work Location: Hybrid remote in Doncaster

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📋 Job Overview

Company Capilaux Aero
Location Doncaster, England, England
Salary £40k – £48k / yr
Job Type Full Time
Posted 2026-07-07
Deadline 2026-09-07
Country 🇬🇧 United Kingdom

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