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Account Manager

Antithesis, Vienna, VA, United States


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