Senior Customer Success Manager

Milestone builds the AI engineering-intelligence platform that helps engineering organizations understand and maximize the impact of AI on software development – giving leaders clear visibility into AI adoption, spend, and quality across their teams. We’re a fast-moving team of talented, ambitious people who think independently, take ownership, and love solving real problems at scale.

The Role

We’re looking for a Senior Customer Success Manager to own the relationship with our customers from onboarding through renewal and expansion. You’ll be the trusted advisor our customers rely on – leading every conversation, driving adoption of Milestone across their engineering teams, and turning new accounts into long-term partners and advocates.

This is a high-ownership individual-contributor role: you’ll manage a portfolio of B2B SaaS accounts end to end, and you’ll define how we do Customer Success by building the playbook the rest of the function will scale on. It’s an ideal fit for someone who wants real impact and a seat at the table as we grow.

What You’ll Do

• Lead client communication. Be the primary point of contact for your accounts – running clear, proactive, executive-ready conversations and acting as the voice of the customer inside Milestone.
• Manage relationships. Build relationships with stakeholders from engineering leaders to individual developers, understanding their goals and ensuring they get measurable value from Milestone.
• Drive onboarding and adoption. Own the customer journey from kickoff through go-live and beyond – delivering fast time-to-value and growing usage across teams.
• Own the CS playbook. Define and continuously improve our Customer Success motion: onboarding frameworks, health scoring, QBRs, and the processes that will let the function scale.
• Be the voice of the customer. Partner closely with Product and Engineering, bringing customer feedback and insights back to shape the roadmap.
  
  

• 5+ years of experience in Customer Success, Account Management, or a comparable client-facing role.
• Proven track record in B2B SaaS, managing and growing a portfolio of accounts.
• Exceptional communication and relationship-building skills – comfortable leading conversations with both technical and executive stakeholders.
• A track record of driving onboarding, adoption, and retention, with the data instincts to back it up.
• Strong technical orientation and ability to have conversations with senior R&D management
• Fluent English; fluent Hebrew is an advantage.
  
  

• Familiarity with the software development lifecycle and how engineering teams work.
• Experience standing up or scaling a Customer Success function.