To support a growing portfolio of complex customers, the full-time Principal Customer Success Manager will serve as a strategic advisor, driving adoption and value realization for H1's Clinical or Medical & Commercial product lines in a remote capacity. Key responsibilities Own large-scale customer programs and manage relationships with senior stakeholders to ensure successful execution and alignment on strategic objectives Lead cross-functional initiatives, establishing governance and driving accountability across internal and external teams Conduct regular executive business reviews, articulating performance metrics and serving as the voice of the customer to inform internal teams Required qualifications 5+ years of experience in Customer Success, Account Management, Consulting, or Program Management within an Enterprise or Strategic B2B SaaS environment Demonstrated experience managing complex, high-ARR accounts with senior stakeholder engagement Strong project management skills with experience in multi-threaded, high-priority initiatives Experience in or with Life Sciences organizations preferred; Medical Affairs or Clinical experience is a plus Proven ability to manage renewals, mitigate risk, and identify expansion opportunities