Founding Account Manager – SaaS Growth & Retention (NYC)

Magnitude Consulting; New York (NY); On-site; USD 130,000 - 180,000; Full time

Job summary

Magnitude Consulting is seeking a Founding Account Manager in New York City. You will own a portfolio of 200+ customers and drive retention, renewals, and expansion from the ground up, working directly with the founders. This is a foundational AM hire with significant scope to shape post-sale strategy.

You’ll lead retention efforts, upsell opportunities, and build the AM playbook while managing a growing book of recurring revenue. NYC office, unrestricted US work authorization required.

Qualifications

• 2–6 years of Account Management experience.
• At least 2 years working within a software/SaaS company.
• Experience owning a portfolio/book of existing customers.
• Direct responsibility for renewals and retention.
• Proven experience driving upsells, cross-sells and account expansion.
• Experience managing SMB, Mid-Market and/or Enterprise customers.

Responsibilities

• Own a portfolio of existing customers across SMB, Mid-Market and/or Enterprise.
• Take direct ownership of retention and renewals.
• Identify and close upsell, cross-sell and expansion opportunities.
• Run regular customer check-ins and QBRs for larger accounts.
• Drive product adoption and ensure customers are getting value from new features.
• Proactively identify churn risks and opportunities for account growth.
• Build processes, dashboards and automations to improve visibility across the customer base.
• Gather recurring customer feedback and work closely with Product on feature requests and roadmap priorities.
• Help build the Account Management and post-sale function from the ground up.

Skills

Account management

Upsell

Cross-sell

Relationship management

Stakeholder management

Tools

CRM software

Job description

Magnitude Consulting is seeking a Founding Account Manager in New York City. You will own a portfolio of 200+ customers and drive retention, renewals, and expansion from the ground up, working directly with the founders. This is a foundational AM hire with significant scope to shape post-sale strategy.

You’ll lead retention efforts, upsell opportunities, and build the AM playbook while managing a growing book of recurring revenue. NYC office, unrestricted US work authorization required.