Our client runs a high-volume customer support operation on Zendesk, and the platform is the backbone of how thousands of patients get help every day. You'll own the Zendesk instance end to end — keeping it fast, clean, and smart — so support agents spend their time helping customers instead of fighting their tools. This is a hands-on administrator role for someone who treats a support platform like a product: measured, iterated, and always improving. Responsibilities: Own the instance — manage…