Hiring: Principal AI Engineer, Search AI Company: LinkedIn Location: Mountain View, CA Job Posted Time: 2026-09-15 22:39:26 Employment Type: Hybrid Target Skills & Keywords : LLM, Make About the job Required Skills: •At LinkedIn, our approach to flexible work is centered on trust and optimized for culture, connection, clarity, and the evolving needs of our business. The work location of this role is hybrid, meaning it will be performed both from home and from a LinkedIn office on select days, as determined by the business needs of the team. •This role will be based in Sunnyvale California, Bellevue Washington, or New York City. •Working across ranking, infrastructure, and multiple partner teams, you will architect the AI systems that turn static search results into an adaptive and agent-driven intelligence engine for 1B+ members. •Design Agentic Systems: Design and scale multi-agent reasoning frameworks, tool-use protocols, and memory systems, optimized for real-time search workflows. •Drive Evals & Safety: Build rigorous evaluation harnesses and guardrails for non-deterministic agent workflows, ensuring enterprise-grade trust, attribution, and safety at global scale. •Rapid AI Prototyping: Build runnable, state-of-the-art agentic POCs to prove out new paradigms (multimodal search, proactive task execution, autonomous candidate/job matching) and push them directly to production. Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!