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Lead AI Security Engineer

Appian Corporation - US💼 Full-time💰 $150,000–$150,000🗓 2026-09-14 → 2026-09-25

Core

Design, build, and deploy autonomous AI agents and multi-agent systems for an Agentic Security Operations Center (SOC) to perform autonomous triage, semantic correlation, and proactive threat mitigation.

Role type

Lead IC AI Security Engineer (Agentic SOC)

Builds

Production-grade, proprietary multi-agent systems integrating with enterprise security stacks (SIEM, EDR, XDR)

Domain

Cybersecurity / Generative AI / Cloud Infrastructure

Deliverable

production ML models

Required skills

Python, Large Language Models (LLMs), Cloud platforms (AWS, Google Cloud, Azure), Software Engineering, Security domain knowledge, Retrieval-Augmented Generation (RAG), Human-in-the-Loop (HITL) design, LLM security (prompt injection, data poisoning mitigation)

Preferred skills

Multi-agent orchestration frameworks (LangChain, LlamaIndex, AutoGen, CrewAI), Vector Databases (Pinecone, Qdrant, Milvus, Weaviate), REST APIs/Webhooks for security platforms, Containerized cloud environments (Kubernetes/EKS/AKS), Fine-tuning methodologies (LoRA, QLoRA)

Technologies

Python, AWS, Google Cloud, Azure, LangChain, LlamaIndex, AutoGen, CrewAI, Semantic Kernel, Pinecone, Qdrant, Milvus, Weaviate, Splunk, CrowdStrike, Microsoft Sentinel, Palo Alto XSOAR, Kubernetes, EKS, AKS, Llama 3, Mistral

Responsibilities

Design, test, and deploy autonomous AI agents integrating with security stacks; Translate SOC playbooks into deterministic agentic pipelines; Optimize RAG workflows for real-time security context; Evaluate and optimize LLM performance, latency, and cost; Engineer Human-in-the-Loop handoff mechanisms; Implement security boundaries for LLM architecture against prompt injection and model abuse

Seniority

Lead, hands-on IC with strategic ownership

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