This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Account Manager, SaaS based in United States. This role is an opportunity to own and grow a portfolio of strategic SaaS customers across the full post-sales lifecycle. You will guide customers through onboarding, adoption, renewals, and expansion while building trusted relationships at multiple levels of their organizations. The position combines account management, customer success, commercial strategy, and consultative selling. You will use account plans, ROI insights, benchmarking, and customer data to identify opportunities and demonstrate measurable value. Success will depend on your ability to understand customer priorities, navigate complex decision-making environments, and influence outcomes. You will also partner closely with internal teams to resolve challenges and continuously improve the customer experience.