AI Researcher at well-funded defense tech startup

Jack & Jill/External ATS; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading defense technology startup in London is seeking an AI Researcher to lead the development of large language models for national security applications. You will design scalable AI systems that provide real-time intelligence for allied defense operations. Ideal candidates hold a PhD in AI, Machine Learning, or NLP and have experience with LLMs. Join a mission-driven team at the forefront of generative AI and aerospace technology.

Qualifications

• Advanced degree preferred in AI, Machine Learning, or NLP.
• Eligibility for national security clearance required.
• Deep interest in defense technology is essential.

Responsibilities

• Design, train, and fine-tune large language models.
• Build scalable AI pipelines for sensitive intelligence.
• Collaborate with engineering teams on AI solutions.

Skills

Large Language Model (LLM) experience

AI applications in defense technology

Information retrieval

Text analysis

Complex intelligence applications

Education

PhD in AI, Machine Learning, or NLP

Job description

AI Researcher

Company Description

Well-funded defence tech startup

Job Description

You will lead the development and fine-tuning of large language models specifically designed for national security and intelligence applications. By bridging advanced AI research with operational hardware and software solutions, you will build secure, reliable systems that provide real-time intelligence for allied defense operations and mission-critical objectives.

Location

London, UK

Why this role is remarkable

• Work on mission‑critical AI applications that directly impact global national security and allied defense efforts
• Join a well-funded startup backed by top-tier VCs at the intersection of generative AI and aerospace
• Opportunity to pioneer high‑stakes AI alignment and security protocols in a fast‑growing, high‑impact sector

What you will do

• Design, train, and fine‑tune large language models for specialized intelligence and national security data processing
• Build scalable and secure AI pipelines to handle sensitive intelligence information with high precision and reliability
• Partner with cross‑functional engineering teams to translate cutting‑edge AI research into deployed operational solutions

The ideal candidate

• Holds an advanced degree (PhD preferred) in AI, Machine Learning, or NLP with significant LLM experience
• Proven expertise in applying AI to information retrieval, text analysis, or complex intelligence applications
• Must be eligible to obtain national security clearance and have a deep interest in defense technology

Next steps

Step 1. Visit our website
Step 2. Click 'Talk to Jack'
Step 3. Talk to Jack so he can understand your experience and ambitions
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction
Step 6. If not, Jack will find you excellent alternatives. All for free