[Remote] Senior Customer Success Manager

Note: The job is a remote job and is open to candidates in USA. Lumonus is a healthcare technology company focused on transforming cancer care through AI-native clinical workflows. They are seeking a Senior Customer Success Manager to build their US Customer Success function, managing customer relationships and driving the adoption of their AI-driven platform in clinical settings.ResponsibilitiesOwn the health and day-to-day relationship of your customers once they are liveKnow your accounts back to front, you're the internal source of truth on each customerPartner with our commercial team. They own the commercial relationship and lead renewals and expansion; you own health and adoption, and surface the opportunities and risks for them to act onTrack each customer's performance against the outcomes they signed up for, and act early when something slips rather than discovering it at renewalHelp care teams adopt AI-driven workflows with confidence. Much of what we do assists high-stakes clinical work, so adoption is about trust as much as training. You help teams see where the AI supports them and where they stay in controlRun a consistent rhythm with every account, and build relationships beyond a single championDrive adoption of our software and services, and help clinical teams get real value from themBe the customer's voice inside Lumonus, carrying what you learn from the field back to our product and engineering teams, so the product keeps getting betterBuild the customer success playbook from the patterns in your own book, so the function compounds as the team growsUse AI in your own work. We expect our team to work the way we ask customers to: using AI for account research, customer health, and preparation, and helping shape how the function uses it as we growSkillsExperience owning customer relationships or accounts in clinical or healthcare software, ideally with a focus on retention and growthCredible and composed in front of clinical and operational stakeholders at all levelsA builder. You see gaps and act on them without being asked, and you can stand up simple, well-run basics rather than wait for the finished systemComfortable owning customer health and the day-to-day relationship without owning the commercial close, partnering with a commercial counterpart who leads renewals and expansionComfortable with regular travel to customer sites across the USDirect experience in radiation oncology or adjacent clinical workflowsFamiliarity with the clinical systems our customers use, such as Electronic Health Records, Oncology Information Systems or Treatment Planning SystemsA clinical background, for example in dosimetry, radiation therapy or medical physics, now applied in a commercial or customer-facing roleExperience in an early-stage or high-growth software companyBenefitsCompetitive, market-aligned compensationEmployer-supported healthcare coverage, with options for dependents where eligiblePaid time off and leaveFlexible working where the role and our customers allowWork at the intersection of healthcare, AI and cancer care, alongside experienced clinical, product and engineering teamsA values-led culture: being good humans, finding a way, putting care teams first, and staying curiousCompany OverviewLumonus is a healthcare company that offers Radiation Oncology, Radiation Therapy, and Cancer treatment technology-enabled services. It was founded in 2023, and is headquartered in North Sydney, New South Wales, AUS, with a workforce of 51-200 employees. Its website is https://www.lumonus.com/.