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About Synthesys Defence Systems

At SyntheSys Defence Systems we are driven by our purpose to ensure the protection of people, assets, and missions, through secure and interoperable communications.

​Our core offer encompasses testing, trials, training, and evaluation of tactical data links and secure communications; interoperability and system integration; cybersecurity, data and mission management solutions — expertly tailored for defense sectors to ensure operational excellence and mission success.

Join a company whose values match your own

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    It's about our people

    At SDS, we believe our people are the foundation of our success. 

    We foster a supportive and inclusive environment that promotes professional growth, teamwork, and the chance to make a real impact on the projects that matter most.


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    We value talent

    We are dedicated to attracting and developing top talent, recognising the value of diverse skills and perspectives. 

    We offer continuous learning and meaningful challenges, empowering individuals to contribute to innovative, mission-critical solutions.


Founded in 1988, SyntheSys is a trusted provider of Tactical Data Link (TDL) solutions. Acquired by Delkia in late 2024, the integration strengthens Delkia’s mission systems and interoperability focus, enhancing secure data transmission, situational awareness, and end-to-end communication capabilities across the defence and nuclear sectors.