Lead CS Systems Engineer — Automate Revenue Growth

Flint; New York (NY); On-site; USD 140,000 - 180,000; Full time

Job summary

Flint is seeking a Lead Customer Success Engineer in New York City to build the systems behind our CS function. The role centers on driving adoption, retention, expansion, and ultimately net revenue retention, while automating everything that can be automated and preserving human touch where it matters.

You will own complex, reusable, or function-wide CS systems, ensuring scalability and cross-team impact. Expect high ownership and a revenue-driven CS culture.

Qualifications

• Experience building technical systems with hands-on tooling.
• Commercial ownership and accountability for revenue outcomes.
• Ability to design and implement automated CS workflows.

Responsibilities

• Own company-wide NRR with a target of 110%+.
• Manage customer health, churn signals, expansion signals and renewal forecasting.
• Build automated onboarding, adoption, renewal and expansion workflows.
• Develop CS tooling, reporting, internal tools and automations.
• Ensure CS systems scale and help the team hit their metrics.
• Handle technical escalations for complex customer problems.
• Capture lessons from retention and turn them into repeatable systems.
• Ensure other CS team members know how to interact with and use the system.

Skills

Ownership

Revenue-minded

Automation mindset

Tools

Claude Code

Cursor

Job description

Flint is seeking a Lead Customer Success Engineer in New York City to build the systems behind our CS function. The role centers on driving adoption, retention, expansion, and ultimately net revenue retention, while automating everything that can be automated and preserving human touch where it matters.

You will own complex, reusable, or function-wide CS systems, ensuring scalability and cross-team impact. Expect high ownership and a revenue-driven CS culture.