Prompt Engineer

Job Title: Prompt Engineer

Role Summary:

F5 isseekinga creative analytical and detail-orientedPrompt Engineerto join our innovative engineering team. As a Prompt Engineer you will design develop test andoptimizeprompts to interact securely and effectively withLarge Language Models (LLMs)and emerging agentic AI systems. This role is at the forefront of F5s AI development strategy contributing directly to our AI-powered platforms by enhancing security testing addressing adversarial challenges and driving innovation in natural language processing.

Your efforts will ensure the robustness reliability and safety of our AI solutions enabling customers to confidently adopt AI and other emerging technologies while navigating the complexities of modern AI security landscapes.

Key Responsibilities:

Prompt Design and Optimization

• Develop refine and iterate on high-performing prompts forLarge Language Models (LLMs)to achieve specific goals such as security testing red-teaming exercises (e.g. simulating promptinjection jailbreaking or data elicitation) orvalidatingAI defensive measures.

• Experiment with and implement advanced prompting methodologies includingfew-shot promptingchain-of-thought promptingrole-playing and structured prompts to maximize AI interaction efficiency and effectiveness.

• Identifyfailure modes unexpected outputs or vulnerabilities in LLM behavior and address these throughsystematicprompt refinement and optimization.

Collaboration and Integration

• Work closely with AI Researchers and Engineering teams to integrate effective prompts intoF5s AI security platformsand other advanced ML-based systems.

• Assistin the design and implementation of supportive tools workflows and processes that enhance prompt engineering capabilities.

• Build andmaintaina comprehensive internal library of effective prompting strategies techniques and best practices fostering knowledge sharing across teams.

Research and Development

• Stay informed aboutcutting-edgedevelopments in LLMsprompt engineering strategies and AI security advancements applying these learnings to improve system performance.

• Participate in testing and evaluating the security implications and effectiveness of new prompting strategies across various AI systems and use cases.

• Contribute to internal knowledge bases by documenting successful strategies experimental results and key insights.

Required Qualifications:

• Educational Background:

• Bachelors degree inComputer ScienceData ScienceLinguisticsCognitive ScienceHuman-Computer Interaction or a related field; or equivalent practical experience in prompt engineering and LLM optimization.

• Technical and Analytical Expertise:

• Proven hands-on experience inprompt designand refinement for large language models (e.g. GPT series Claude Llama etc.).

• Strong understanding of LLM capabilities limitations common failure modes and alignment strategies.

• Familiarity with prompt engineering techniques includingfew-shot promptingstructured designs and context injection.

• Problem-Solving and Communication Skills:

• Excellent analytical and critical-thinking skills with meticulous attention to detail when troubleshooting complex LLM behaviors.

• Strong verbal and written communication skills capable of translating technical outputs into actionable insights for diverse audiences.

• Passion for AI and NLP:

• Strong interest and understanding ofArtificial IntelligenceNatural Language Processing (NLP) and AI-driven security concepts and mechanisms.

Preferred Qualifications:

• Demonstrable experience in applyingprompt engineeringspecifically forAI securityred-teaming or vulnerability assessment purposes.

• Background in working with or developing frameworks foragentic AI systems(e.g.LangChain Auto-GPT).

• Proficiencyinbasic scriptingfor automation (e.g. usingPython) to streamline prompt testing or analysis.

• Familiarity withevaluation techniquesfor LLM performance and safety such as detecting adversarial weaknesses or other failure modes.

• Experience working with APIs for major LLM providers.

• Ability toshowcasecreative and effective prompt engineering in a portfolio of examples.

• Understanding ofadversarial attacksagainst NLP models such as prompt injection or poisoning attacks and mitigation strategies.

What Success Looks Like:

• Delivering high-quality prompts that improve the effectiveness reliability and security of AI systems in production environments.

• Collaborating effectively with cross-functional teams to integrate innovative prompt engineering strategies into F5s AI platforms.

• Staying ahead of industry trends and emerging developments in the LLM landscape by applyingcutting-edgemethodologies to projects at F5.

• Building a culture of innovation and collaboration by sharing knowledge strategies andnew approacheswith internal teams.

Why Join F5

At F5 we are driven by the mission to empower our customers withsecure and scalable solutionsin an increasingly AI-powered world. Joining ourPrompt Engineering teammeansyoullhave the opportunity to:

• Influence the direction ofcutting-edgeAI initiatives and tools that tackle real-world security challenges.

• Work in a collaborative inclusive andinnovation-driven environment that values diversity of thought andexpertise.

• Gain access to resources mentorship and opportunities to advance your knowledge and career in AI LLMs and NLP.

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