Legion

Principal Product Manager (Agentic AI)

In short

This Principal Product Manager role at Legion defines agent responsibilities, tools, escalation rules, and human oversight for enterprise AI agents in workforce management. The company builds enterprise B2B SaaS and needs someone with hands-on agent prototyping, prompt development, evaluation, and failure diagnosis skills, plus the ability to read code and open pull requests. It demands 7+ years of product management experience (10+ for this Principal level) with at least 2 years shipping LLM-backed features to paying external users, and leading enterprise design-partner deployments.

About the Role
You will define agent responsibilities, tools, escalation rules, and human oversight. You will research customer workflows, prototype agent behavior, write and maintain specifications, build evaluation sets, review implementation quality, lead enterprise design-partner deployments, and support product commercialization.
Requirements
•7+ years in product management at the Senior level or 10+ years at the Principal level
•At least 2 years shipping LLM-backed features to external paying users
•Hands-on agent prototyping, prompt development, evaluation, and failure diagnosis capability
•Enterprise B2B SaaS experience including multi-tenant architecture, role-based access control, audit trails, single sign-on, data residency, security review, and procurement
•Experience shipping adopted products in ambiguous and operationally complex domains
•Experience owning product quality through implementation and release
•Ability to read code, run it locally, and open pull requests
•Strong written communication skills
Responsibilities
•Define agent responsibilities, tool access, escalation rules, and manager visibility
•Research customer operations and identify workflows suitable for agents
•Define human-in-the-loop controls, override mechanisms, logging, and auditability
•Review implementations, perform product testing, join bug triage, and hold releases when quality is insufficient
•Build and maintain evaluation sets, review failure traces, and set pass criteria
•Write and maintain Functional Requirements Documents
•Partner on packaging, metering, pricing inputs, and field readiness
•Lead design-partner deployments, pilot scoping, success criteria, and failure reviews
•Write prompts and system prompts and prototype agents
•Diagnose execution-trace failures and evaluate retrieval, tool use, structured output, model routing, latency, cost, and multi-tenant safety
Benefits
•$0 monthly premium medical, dental, and vision plans effective on the first day of employment
•401k plan
•Discretionary Paid Time Off and paid holidays
•Parental leave
•Equity
•Monthly wellness reimbursement
•Monthly Lunch on Legion
•Compensated practical exercise
Hiring Process
Practical exercise: produce an agent design and working prototype for a sanitized workforce-management problem; discuss the exercise with prospective colleagues. Candidates are compensated for the exercise time.

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