Senior Customer Succes Manager (H/F) - CDI

Join Najar, a fast-scaling B2B SaaS company, as a Senior Customer Success Manager. In this role, you will own a portfolio of high-value Enterprise accounts, navigate C-level relationships, and shape the customer success practice. You will be responsible for strategic account management, retention and renewal, value architecture, expansion, and internal leadership. The ideal candidate will have 7+ years of experience in a CSM or strategic account role in SaaS B2B, a track record of managing high-value accounts, and fluency in French and English.

• Gérer un portefeuille de comptes d'entreprise à forte valeur ajoutée, en élaborant et en exécutant des stratégies d'expansion et de réduction des risques.
• Agir en tant que conseiller de confiance auprès des parties prenantes de niveau C, en naviguant dans les relations complexes et en gérant les renouvellements.
• Contribuer à l'amélioration des processus internes et à la construction de la pratique de la gestion de la relation client.

**Must-haves**

• 7+ years in a CSM or strategic account role in SaaS B2B, with proven Enterprise exposure
• Track record of independently managing high-value or complex accounts (multi-stakeholder, high ARR)
• Demonstrated ability to navigate C-suite relationships with credibility and composure
• Commercial rigor: you've structured and closed complex renewals and expansion deals
• Ability to build business cases and quantify financial impact in executive-ready terms
• Fully bilingual French / English (written and spoken)
• Builder mindset: comfortable operating with evolving processes and actively contributing to their improvement

**Nice to have**

• Background in Finance, Procurement, Purchasing, or Consulting
• Experience in a fast-scaling B2B SaaS company (Series A/B/C)
• Familiarity with procurement or spend management topics

**Eliminatory**

• No Enterprise account experience
• No track record on commercial ownership (renewals, expansion deals)
• Unable to operate in English at an executive level
• Purely execution-oriented — no evidence of strategic thinking or internal contribution