Security Principal Engineer

About the role

Support the enterprise agentic AI platform, defining and governing how every agent at LS&Co. is built, deployed, and governed, regardless of cloud provider, model, or builder team. Architect and engineer a production-grade multi-agent AI platform to orchestrate specialized security agents across the GIS. Lead the design and implementation of the AI Gateway as the central enforcement point for all LLM and agent traffic. Architect the agent identity and registry system to eliminate shadow AI and orphaned agents across the estate. Establish the audit and observability architecture for agent workloads. Own cross-platform guardrails and data protection standards. Build AI-powered enrichment and analysis pipelines integrated with our security stack. Define engineering standards, design review processes, and architectural patterns for the AI & Security Engineering practice. Establish organizational accountability structures for platform component ownership, partnering with Platform Engineering, Infrastructure, and Security to define clear ownership boundaries, contribution standards, and governance operating models that scale beyond a single team. About You 10+ years of professional software engineering experience with expert proficiency in Python; demonstrated track record designing and delivering complex, distributed, cloud-native systems at scale. Hands-on experience building and shipping agentic AI applications beyond proof-of-concept Practical proficiency with AI orchestration frameworks (Semantic Kernel, LangChain, ADK, etc.) and RAG pipeline design, including embedding strategies, hybrid search, and LLM evaluation methodology. Solid grasp of security operations concepts: threat intelligence workflows, detection engineering and SIEM query languages (KQL, SPL, YARA-L, etc.), MITRE ATT&CK, vulnerability management, and API-based integration with security platforms. Strong architecture and leadership instincts: you write RFCs, lead design reviews, make well-reasoned build-vs-buy decisions, and can communicate technical complexity to both engineering peers and executive audiences. Operates effectively as a principal-level individual contributor who is comfortable driving technical alignment without direct organizational authority. Genuine, demonstrable passion for AI and agentic systems; not just aware of the landscape, but actively experimenting, building, and thinking about what AI can and cannot reliably do today. Experience with infrastructure-as-code and CI/CD in regulated or high-assurance environments; familiarity with cloud security best practices including managed identity, Key Vault, and least-privilege design. This is a Remote role. The expected starting salary range for this role is $135,200 - $198,300 per year . We may ultimately pay more or less than the posted range based on the location of the role. The amount a particular employee will earn within the salary range will be based on factors such as relevant education, qualifications, performance and business needs. Levi Strauss & Co. (LS&Co.) offers a total rewards package that includes base pay, incentive plans, 401(k) matching, paid leave, health insurance, product discounts, and more designed to help you and your family stay healthy, meet your financial goals, and balance the demands of your work and personal life. Available benefits and incentive compensation vary depending upon the specifics of the role; details relating to a specific role will be made available upon request. Read more about our benefits here . LS&Co. is an affirmative action and equal employment opportunity employer. We welcome and value people from diverse cultures, backgrounds, and experiences to make LS&Co. a collective success. #LI-Remote EOE M/F/Disability/Vets LOCATION San Francisco, CA, USA FULL TIME/PART TIME Full time FILL DATE This position is expected to