Updated September 2026
A strong startup customer success manager job description says which part of the customer lifecycle the CSM owns, whether they carry a renewal or expansion number, and how many accounts they will manage. Those three decisions change the profile you should hire, from a technical onboarding specialist to a commercial account manager, so make them before you write anything else.
Copy-and-paste customer success manager job description
Customer Success Manager at [Company]
About [Company]
[Company] helps [customer type] to [outcome]. We have [number] customers, from [smallest] to [largest], and we are [number] people backed by [investors].
The role
You'll own [number] customer accounts from signature onwards: onboarding, adoption, renewal and [expansion]. You'll be the person customers call first, and the person our product team asks about what customers need. You'll report to [founder / Head of CS]. Support tickets are handled by [team / tool], so your time goes into accounts.
What you'll do in your first 6 months
- Get every new customer to [first value milestone, e.g. first report sent] within [X] days of signing.
- Build a simple health score that flags at-risk accounts at least [X] days before renewal.
- Own renewals worth [amount / number of accounts], with [expansion target, if any].
- Write the onboarding playbook the next CSM will use.
- Bring product a ranked list of the issues that cost us most in adoption or churn, every month.
What you'll bring
- [X]+ years managing a book of B2B customers at a similar size ([contract value range]).
- A renewal or retention record you can talk us through account by account.
- Enough technical confidence to [set up integrations / read an API doc / run a data import].
- Calm, clear writing, especially when a customer is unhappy.
- Comfort having commercial conversations about renewals and price.
Nice to have
- Experience as the first CSM at a startup.
- Knowledge of [industry or buyer].
What we offer
- Base salary [£/$/€ X to Y], [plus variable pay of [£/$/€ X to Y] tied to [retention / expansion]].
- Equity: [range].
- [Remote / hybrid], at a [Seed / Series A / Series B] company.
Mark in the JD which of these four stages the CSM owns. Many first CSM hires go wrong because the founder wanted a commercial renewal owner and hired a friendly onboarding specialist, or the other way round.
How the CSM job description changes by stage
| Seed | Series A | Series B | |
|---|---|---|---|
| Book size | Every customer | A segment, by size or region | A defined book by tier |
| Commercial ownership | Often none, founder renews | Renewals, sometimes expansion | Renewal and expansion targets |
| Support | CSM answers tickets too | Shared with a support person | Separate support team |
| What to stress in the JD | Building onboarding, product feedback | Health scores, renewals, playbooks | Tiered coverage, targets, working with sales |
Scorecard: how you'll judge success
| Outcome | What good looks like at 12 months | How you'll test it in interviews |
|---|---|---|
| Retention of their book | Renewals at or above your target, churn explained | Ask for their last book: accounts, renewals, losses |
| Time to first value | New customers reach the milestone within your target | Ask how they onboarded a complex customer |
| Early warning on risk | At-risk accounts flagged well before renewal | Give them usage data and ask who is at risk |
| Expansion, if owned | Expansion revenue at target | Ask how they spotted and handed over expansion |
| Product feedback | A monthly, ranked list product acts on | Ask what product change they pushed for |
30-60-90 day plan
| Period | Focus | By the end they should have |
|---|---|---|
| Days 1 to 30 | Know every account | Met or called every customer in their book, read past tickets, listed the top risks |
| Days 31 to 60 | Onboarding and health | A written onboarding checklist, a first health score, a renewal calendar |
| Days 61 to 90 | Renew and report | First renewals closed, first monthly product feedback report, one at-risk account turned around |
Four mistakes founders make in a CSM job description
- Mixing support and success. If the CSM also clears the ticket queue, say so. Otherwise account work loses to the urgent ticket every day.
- No book size. Managing 20 large accounts and 300 small ones are different jobs. Give an honest number.
- Being unclear on money. If the CSM is expected to negotiate renewals and price, say so. Many excellent CSMs don't want a commercial role, and some commercial CSMs will be bored without one.
- Asking for "passion for customers". Everyone claims it. Ask for a retention record and an example of saving an account instead.
Where Funded.club fits
We are a fixed-fee recruiting partner for funded startups across North America, Europe and APAC, and customer success is one of the functions we hire for. One dedicated recruiter runs each search end to end, with first screened candidates within 7 days. Fees are agreed upfront, from $4,900 to $21,900 per hire depending on salary band. See pricing and our guide on hiring your first customer success manager.
Frequently asked questions
What is the difference between customer success and account management?
Customer success usually focuses on adoption and retention, account management on renewals and expansion revenue. At a startup one person often does both, so say clearly in the JD which outcomes they own.
Should a CSM job description include a salary range?
Yes, including any variable pay and what it is paid on. Benchmark against current data for your market. Our free job description builder can help you draft the rest.
How should I interview a customer success manager?
Ask about their last book of accounts, give them real usage data to spot risk, and have them reply to a difficult customer email. Our customer success manager interview questions include 22 questions and a rubric.
Worth a brief chat about your next hire? Book a free call.
Hiring after a funding round?
First candidates in 7 days. Fixed-fee, no commission.