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Achieve the exceptional

Become the next generation of defence and security specialists. Cutting edge. Innovative. Collaborative. Your future.

Investing in you

We believe in investing in your development to ensure that we offer you every opportunity to achieve the exceptional, realise your potential and inspire excellence in others through your own accomplishments.

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World leading defence
World leading defence
World leading defence
World leading defence

Meet our people

I joined L3 TRL in 2001 as a recent Open University graduate, having trained as an Electronics Apprentice at an automotive electrical company in Cheltenham. At TRL I was mentored through quite a steep learning curve on the early ATM CATAPAN product which launched a year after I joined – I...

I joined L3 TRL three years ago and have never looked back. I was lucky enough to gain an apprenticeship with the company studying Business, Innovation and Growth and had the amazing opportunity to rotate around the different functions of the business. The rotations gave me a chance to get an...

I am currently a software apprentice at L3 TRL, having started here roughly just over a year ago. I'm actively involved in the development of live projects that will be delivered to the customer and across the company, making me feel like a valued member of the team I work...

Our culture

Life Work Balance


We offer a range of benefits including enhanced maternity, paternity and adoption arrangements, discounts with major retailers along with competitive leave allowance and long service awards. Make sure you have a look at our total compensation calculator to see what your package would look like.

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