About the role

Antithesis is hiring Account Managers to own customer relationships after close.
You will be joining a growing global team of talented Account managers, reporting to the Head of Customer Growth, partnering and working closely with Sales, Customer Experience, and Product. You help shape how post-sales account management works at Antithesis.

You take responsibility for renewals and expansion from day one.
You work with deeply technical customers: Engineers and Engineering Leaders, CTOs and CEOs.
This is a quota-carrying role. You own revenue outcomes.

What you will do:

• Own a book of business from initial handoff through onboarding, adoption, renewal, and expansion

• Carry a quota tied to renewals and expansion

• Drive on-time renewals with clear forecasting

• Identify, scope, and close expansion opportunities

• Build trusted relationships with customers

• Help guide customers through onboarding, adoption, and value realization

• Lead post-sale commercial conversations

• Own renewal terms, pricing, and expansion proposals

• Partner with Customer Success and Customer Experience

• Surface product feedback grounded in customer usage

• Track account health, risk, and growth signals

• Contribute to renewal and expansion playbooks

• Operate with ownership in an early-stage environment

What success looks like:

• Strong gross and net retention

• Predictable renewal forecasting

• Expansion driven by real customer value

• Long-term customer relationships

• Clear ownership and follow-through

• No surprise churn through early risk identification and proactive ownership

Requirements:

• 5+ years experience in a quota-carrying Account Manager role

• Experience at a B2B SaaS company

• Direct ownership of renewal and expansion quotas

• Proven record of meeting or exceeding ARR retention and growth targets

• Experience managing a defined book of business

• Experience running renewal and expansion deal cycles

• Comfort owning pricing, terms, and commercial negotiations

• Experience selling to existing customers, not prospects

• Ability to work with technical buyers and stakeholders

• Strong forecasting discipline and pipeline management

• Comfort operating in a fast-moving startup
  

Strongly preferred

• Experience with highly technical products, developer tools or infrastructure products

• Experience working with engineering-led customers

• Experience with usage-based or platform SaaS

This role is not

• A Customer Success role without quota

• A support or relationship-only role

• A training role for first-time sellers