Principal Development Engineer M​/F

We are seeking an experienced Principal Development Engineer to play a critical leadership role in delivering verification and qualification test evidence for advanced defence systems.

This is a senior technical position where you will lead the planning and execution of development and qualification activities, ensuring compliance with customer and regulatory requirements. Acting as the focal point for the wider Development team, you will provide technical direction, resolve complex challenges, mentor engineers, and drive delivery to demanding timescales.

You will combine deep technical expertise with strong organisational and communication skills to ensure high-quality deliverables, robust process compliance and successful programme outcomes.

• Extensive experience in mechanical/hydraulic and environmental qualification testing (strength, fatigue, endurance, vibration, temperature, humidity, contaminants, fire resistance)
• Proven capability in managing qualification testing (on-site and off-site), including documentation, data analysis and failure investigation
• Strong technical judgement with the ability to lead problem resolution and deliver compliant solutions within defined timescales

• Degree in Mechanical or Electrical Engineering (or equivalent experience)
• Experience with rig software (e.g. LabVIEW, DIAdem)
• Electrical testing knowledge (bonding, EMC)
• Test rig specification and commissioning experience
• Exposure to non-standard test methodologies and process improvement initiatives