Appian Corporation

Appian Corporation

Senior AI Security Engineer

McLean, Virginia · Senior

Sponsorship not specifiedDetected 12 days ago
PythonVector DatabasesAWSGCPAzureCloud PlatformsKubernetesRESTLLMsRAGAgentic AICybersecuritySIEMMicrosoft SentinelRecruitingResearchMentoringAdaptability

About the role

  • We set high standards and live up to them, ensuring that everything we do is done with care and quality.
  • We approach every challenge with ambition and commitment, holding ourselves and each other accountable to achieve the best results.
  • You understand that the best defenses are built on a bedrock of clean, reliable, and scalable engineering. - Adaptability: You thrive on bringing clarity to big, undefined problems in the security space.

Responsibilities

  • Design, test, and deploy autonomous and semi-autonomous AI agents that integrate natively with our enterprise security stack (SIEM, EDR, XDR, and Threat Intel feeds).
  • Design, optimize, and maintain production-grade Retrieval-Augmented Generation (RAG) workflows to inject real-time security context, network topology, and historical incident logs into agent prompts.
  • Collaborate deeply with Tier 3 Analysts and Threat Hunters to engineer seamless HITL handoff mechanisms, ensuring agents safely escalate complex anomalies to humans.
  • Implement robust security boundaries around our LLM architecture, mitigating risks like prompt injection, data poisoning, model tool-abuse, and addressing the OWASP Top 10 for LLMs.
  • Your expertise in software and AI enables you to design intelligent systems that can perform autonomous triage and semantic correlation.

Requirements

  • 5+ years of experience programming with Python
  • 2+ years of experience deploying scalable and responsible AI solutions on cloud platforms (e.g., AWS, Google Cloud, Azure)

Nice to have

  • Proven experience working with production Vector Databases (e.g., Pinecone, Qdrant, Milvus, or Weaviate ) for semantic chunking, embedding generation, and metadata filtering.
  • Experience interfacing with cybersecurity platforms via REST APIs/Webhooks (e.g., Splunk, CrowdStrike, Microsoft Sentinel, Palo Alto XSOAR).
  • Experience deploying and scaling AI workloads in containerized cloud environments (AWS, Azure, or GCP using Kubernetes/EKS/AKS)
  • Understanding of fine-tuning methodologies (LoRA, QLoRA) for smaller, domain-specific open-source models (e.g., Llama 3, Mistral) tailored for security log analysis
  • Passion for staying abreast of the latest AI research and security systems, and an ability to judiciously apply novel techniques in production.
  • Tools and Resources
  • Training and Development: During onboarding, we focus on equipping new hires with the skills and knowledge for success through department-specific training.
  • Community: We'll immerse you into our community rooted in respect starting on day one.

Skills

  • This commitment ensures that employees have access to a holistic range of development opportunities.

Benefits

  • Appian offers a comprehensive benefits package designed to support your health, wellbeing, and financial future.
  • These groups help employees build stronger internal and external networks by planning social, educational, and outreach activities to connect with Appianites and larger initiatives throughout the company.
  • Benefits vary by country-please ask your Talent Acquisition contact for details specific to the location you are applying to.

Company info

  • Here at Appian, our values of Intensity and Excellence define who we are.
  • When you join Appian, you'll be part of a passionate team dedicated to accomplishing hard things, together.

Equal opportunity

  • LinkedIn, Youtube, Instagram, Facebook
  • Appian is an equal opportunity employer that strives to attract and retain the best talent.
  • All qualified applicants will receive consideration for employment without regard to any characteristic protected by applicable federal, state, or local law.
  • Appian provides reasonable accommodations to applicants in accordance with all applicable laws.
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This listing is sourced directly from Appian Corporation's careers page and normalized into a canonical job model.