Specialist Systems Engineering and Consultancy Services


TDL / ISR / C4 Systems Development and Testing

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Tel: 07825 176751
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About LJ C4 Systems​

LJ C4 Systems is a freelance business offering professional systems engineering and consultancy services.  We bring over 25 years of experience, having worked on a variety of products with a number of high profile companies in the aerospace and defence sector of the UK.

We are specialists in the specification, design, development, integration and test of TDL, ISR and C4 systems.


LJ C4 Systems was founded by Leigh Jackson in December 2012.  Leigh, a Principal Systems Engineer, has over 25 years of experience including the last 8 years as an independent contractor.


LJ C4 Systems offer experience in Aviation, Defence and Space industries.  Companies we have worked with include:


  • Thales UK

  • Lockheed Martin

  • Northrop Grumman Remotec

  • General Dynamics UK

  • Augusta Westland


Leigh has developed a significant level of experience in TDL, ISR and C4 systems development in both the land and air domains.