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Find a UK defence job — submarines, warships, combat air and land systems

351 live vacancies in Digital, Data & Cyber Security

Heads up: every vacancy here is based in the UK and the North West of England, and employers require the existing right to work in the UK plus UK security clearance eligibility for most nuclear and defence roles.

Digital, Data & Cyber Security: Software, data engineering, OT/IT cyber and digital twin delivery.

Search results (351)

Live UK defence vacancies (351)

Defence programmes first — submarines, warships, dockyards, combat air, land systems and cleared engineering. Civil nuclear roles follow behind.

MBDA · Stevenage, Hertfordshire

£24,460

Systems Engineer - Summer Placement 2027 with MBDA in Stevenage, Hertfordshire. Advertised salary £24,460 – £24,460. Apply via the employer's own advert.

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Posted 08/11/2026 · 28 days left

£70,661

Principal Systems Engineer with Leonardo in UK. Advertised salary £70,661 – £70,661. Apply via the employer's own advert.

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Posted 08/11/2026 · 28 days left

Raytheon · UK

£43,639

Software Engineer with Raytheon in UK. Advertised salary £43,639 – £43,639. Apply via the employer's own advert.

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Posted 08/11/2026 · 28 days left

Northrop Grumman · Cheltenham, Gloucestershire

£56,093

Senior DevOps Engineer with Northrop Grumman in Cheltenham, Gloucestershire. Advertised salary £56,093 – £56,093. Apply via the employer's own advert.

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Posted 08/11/2026 · 28 days left

Northrop Grumman · Manchester, Greater Manchester

£49,909

Senior Data Engineer with Northrop Grumman in Manchester, Greater Manchester. Advertised salary £49,909 – £49,909. Apply via the employer's own advert.

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Posted 08/11/2026 · 28 days left

Northrop Grumman · Manchester, Greater Manchester

£56,204

Senior DevOps Engineer with Northrop Grumman in Manchester, Greater Manchester. Advertised salary £56,204 – £56,204. Apply via the employer's own advert.

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Posted 08/11/2026 · 28 days left

L3Harris · Portchester, Fareham

£49,209

Systems Engineer with L3Harris in Portchester, Fareham. Advertised salary £49,209 – £49,209. Apply via the employer's own advert.

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Posted 08/11/2026 · 28 days left

L3Harris · Portchester, Fareham

£61,220

Senior Systems Engineer with L3Harris in Portchester, Fareham. Advertised salary £61,220 – £61,220. Apply via the employer's own advert.

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Posted 08/11/2026 · 28 days left

Thales · Crawley, West Sussex

£55,745

Software Engineer with Thales in Crawley, West Sussex. Advertised salary £55,745 – £55,745. Apply via the employer's own advert.

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Posted 07/11/2026 · 27 days left

Thales · Castlereagh, Belfast

£75,469

Senior Software Engineer with Thales in Castlereagh, Belfast. Advertised salary £75,469 – £75,469. Apply via the employer's own advert.

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Posted 07/11/2026 · 27 days left

Thales · Stockport, Greater Manchester

£36,395

2027 Systems Engineering Graduate with Thales in Stockport, Greater Manchester. Advertised salary £36,395 – £36,395. Apply via the employer's own advert.

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Posted 07/11/2026 · 27 days left

Thales · Castlereagh, Belfast

£41,669

2027 Software Engineering Graduate with Thales in Castlereagh, Belfast. Advertised salary £41,669 – £41,669. Apply via the employer's own advert.

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Posted 07/11/2026 · 27 days left

Thales · Crawley, West Sussex

£37,220

2027 Systems Engineering Graduate with Thales in Crawley, West Sussex. Advertised salary £37,220 – £37,220. Apply via the employer's own advert.

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Posted 07/11/2026 · 27 days left

Thales · Castlereagh, Belfast

£42,158

2027 Systems Engineering Graduate with Thales in Castlereagh, Belfast. Advertised salary £42,158 – £42,158. Apply via the employer's own advert.

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Posted 07/11/2026 · 27 days left

Thales · Stockport, Greater Manchester

£35,605

2027 Software Engineering Graduate with Thales in Stockport, Greater Manchester. Advertised salary £35,605 – £35,605. Apply via the employer's own advert.

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Posted 07/11/2026 · 27 days left

Thales · Templecombe, Somerset

£34,425

2027 Software Engineering Graduate with Thales in Templecombe, Somerset. Advertised salary £34,425 – £34,425. Apply via the employer's own advert.

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Posted 07/11/2026 · 27 days left

Thales · Glasgow, Scotland

£35,666

2027 Systems Engineering Graduate with Thales in Glasgow, Scotland. Advertised salary £35,666 – £35,666. Apply via the employer's own advert.

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Posted 07/11/2026 · 27 days left

Thales · Crawley, West Sussex

£37,162

2027 Software Engineering Graduate with Thales in Crawley, West Sussex. Advertised salary £37,162 – £37,162. Apply via the employer's own advert.

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Posted 07/11/2026 · 27 days left

Thales · Glasgow, Scotland

£62,663

Senior Software Engineer with Thales in Glasgow, Scotland. Advertised salary £62,663 – £62,663. Apply via the employer's own advert.

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Posted 07/11/2026 · 27 days left

Thales · Glasgow, Scotland

£36,900

2027 Software Engineering Graduate with Thales in Glasgow, Scotland. Advertised salary £36,900 – £36,900. Apply via the employer's own advert.

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Posted 07/11/2026 · 27 days left

Thales · Templecombe, Somerset

£44,377

Systems Engineer with Thales in Templecombe, Somerset. Advertised salary £44,377 – £44,377. Apply via the employer's own advert.

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Posted 07/11/2026 · 27 days left

Thales · Glasgow, Scotland

£61,188

Senior Systems Engineer with Thales in Glasgow, Scotland. Advertised salary £61,188 – £61,188. Apply via the employer's own advert.

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Posted 07/11/2026 · 27 days left

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