**About the Role** We are seeking a senior-level, hands-on Senior UX Researcher for a hybrid opportunity in Tucson, AZ. This position is focused entirely on user research, strategy, and human-machine interface (HMI) evaluationit is NOT a UI/Visual design role. The ideal consultant will have extensive experience studying user interactions with complex, physical-digital systems in corporate or B2B environments. **Core Responsibilities** * Plan, scope, and execute end-to-end user research studies,