LLM Engineer

2 weeks ago

Tel Aviv, Tel Aviv, Israel Axia Security Full time

We're Hiring: Experienced LLM Engineer | AI Cybersecurity Platform – in stealth

At Axia Security, we're building the future of data protection.

We're a deep-tech cybersecurity startup on a mission to redefine how organizations secure their most sensitive information — by fusing cutting-edge AI with enterprise-grade engineering. Our platform reimagines data protection by harnessing the power of large language models and proprietary innovations, delivering intelligent, context-aware protection at scale.

We're looking for an
experienced LLM Engineer
to join our team during an exciting stage of innovation. You'll design, develop, and optimize advanced language models tailored for secure and scalable enterprise data protection solutions.

Working alongside top experts across AI, security, and engineering, you'll help build robust systems that enable organizations to maintain precise control over their sensitive data.

If you want to leverage your skills to create groundbreaking AI solutions that safeguard critical data globally, we want to hear from you.

What You'll Do:

  • Take part in all development aspects—from design to production—of Agent and LLM-based features and applications that power our cyber-brain platform.
  • Research, design, and integrate LLMs (e.g., OpenAI, Anthropic, open-source models) to deliver advanced automation and reasoning capabilities.
  • Craft and optimize high-quality prompts to improve application functionality and output quality.
  • Develop datasets and benchmarks to evaluate and monitor LLM-based applications effectively.

What We're Looking For:

  • 3+ years of experience developing production-grade software systems and working on generative AI projects (LLMs, diffusion models, multimodal models, etc.)
  • Hands-on expertise in TypeScript /  and Python, SQL / NoSQL Databases.
  • Experience with prompt engineering, fine-tuning, or embedding models using frameworks like LangChain, LlamaIndex, or similar.
  • Familiarity with AWS services and best practices, including Lambda, S3, SageMaker, ECS/EKS, Bedrock etc.
  • Strong communication skills and the ability to explain technical concepts to non-technical stakeholders.

Preferred Qualifications:

  • Proficiency in LLM application techniques such as Retrieval-Augmented Generation (RAG), embeddings, Chain-of-Thought (CoT) prompting, and more.
  • A strong focus on data quality and optimization for LLM workflows.
  • Familiarity with LangGraph or similar LLM frameworks.
  • Experience integrating AI capabilities into secure enterprise environments.

Why join us:

  • Shape the future of AI-powered data protection at a fast-moving, high-impact startup.
  • Take a leading role in building breakthrough technology that gives organizations real control over their sensitive data.
  • Collaborate directly with the founders to drive meaningful product and technical decisions.
  • Work alongside an exceptional team of experts in AI, cybersecurity, and engineering.
  • Be part of a mission-driven team at the forefront of cybersecurity and applied AI.
  • Enjoy competitive compensation, strong growth potential, and the chance to make a lasting industry impact.

What We Offer:

  • Opportunity to grow with an AI cybersecurity startup.
  • Career development as the company scales.
  • Work side by side with experienced founders.
  • Office in the Tel Aviv area.
  • Fast-paced, collaborative environment with real impact.
  • Great people, strong culture, and cutting-edge technology.

Ready to build the future? Apply now or reach out to

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