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Qumulo's cloud data platform manages exabytes of the world's most demanding data, unifying files, objects, and every workload across edge, core, and cloud.

About the Senior Customer Success Manager position:

Customers are the lifeblood of Qumulo. We are seeking a technical, results-driven Customer Success Manager (CSM) to drive the success of our enterprise customers and OEM/Channel partners.

You will own the full customer lifecycle from onboarding and deployment to adoption, retention, and expansion, ensuring customers achieve measurable outcomes while building long-term, trusted relationships.

Responsibilities:

• Customer Lifecycle Management: Own a portfolio of enterprise and strategic customers, driving onboarding, adoption, retention, and renewals. Drive seamless onboarding and coordinate with OEM/Channel partners, account teams, and customers to ensure successful deployments and expansions. Proactively monitor and update account health, and develop tailored health improvement plans to ensure long-term retention and prevent churn.

• Value Realization: Ensure customers and partners achieve measurable outcomes and maximize value from Qumulo products, and conduct QBRs and develop success plans aligned with customer goals.

• Technical Consultation: Serve as the primary technical liaison and trusted advisor. Translate complex data, storage, and cloud architecture discussions into actionable business value for C-level stakeholders and provide technical guidance to Engineering and Operation teams.

• Collaboration: Partner with Sales, Product, Operations, and Engineering to resolve escalations, influence roadmap, and optimize customer/partner experience.

• Partner Success: Enable and support OEM and Channel partners, driving joint success initiatives and partner-led growth.

• Feedback & Advocacy: Provide customer insights and product feedback; communicate product updates and improvements to customers.

Qualifications:

• Fluent Japanese and English (written and verbal)

• Strong technical aptitude in data, storage, and cloud technologies with the ability to hold deep-dive architectural discussions on data management, enterprise storage, and multi-cloud environments (e.g., AWS, Azure, GCP).

• 5+ years in Customer Success, Account Management, or Partner Success in a Data Storage, Data Management, or Cloud environment

• Proven success in adapting communication and presentation styles for a diverse audience, ensuring technical clarity for engineering teams and focusing on measurable business outcomes for the C-Suite.

• Experience managing up to 50 enterprise accounts and OEM/Channel partners

• Strong understanding of SaaS metrics: NRR, churn, adoption, GRR, and ability to leverage data for actionable insights

• Experience with CS/CRM tools (e.g., Planhat, Gainsight)

• Industry expertise in one of the following industry verticals would be highly regarded: Life Sciences, Healthcare, Energy, or Financial Services

• Must be based in Japan (Tokyo metropolitan area preferred) and legally authorized to work in Japan without visa sponsorship with flexible work-from-home options aligned with local business hours.

Compensation: Annual base salary of JPY 11,950,000, paid monthly, plus a performance-based annual bonus of up to 20% of base tied to individual KPIs (not guaranteed). Total on-target annual earnings of approximately JPY 14,340,000. Final base is determined by experience and qualifications.

About Qumulo:
Built for the most demanding enterprise workloads, from AI and HPC simulations to Splunk Observability, genomics and PACS medical imaging, geospatial datasets, media editing and rendering, and video surveillance, Qumulo unlocks the full power of an organization’s information. Our platform unifies file and object storage across data centers, edge, and public clouds, enabling efficient, accelerated computing and extending the reach of data unbound by protocol or transport limitations.

With more than 1,100 customers and exabytes of data under management, Qumulo powers mission-critical workloads anywhere real-time access to massive file datasets is non-negotiable. Qumulo delivers radical simplicity, hardware freedom, exceptional customer support, and a true hybrid-cloud architecture.

Our Values:
At Qumulo, we are building an open and collaborative culture where people can do their best work with customers as our magnetic field. We act as owners, we share by default, we are data driven and experimental and as an inclusive workplace, we encourage and celebrate multiple points of view. As part of our culture we believe diversity drives innovation.

Equal Opportunity Employer:
Qumulo is an Equal Opportunity Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, disability, military status, national origin, or any other characteristic protected under federal, state, or applicable local law. For more information on Qumulo's Applicant Privacy Policy, please visit: https://qumulo.com/applicant-employee-privacy-notice