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Head of Customer Success, Fieldline
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Your Job Description
Head of Customer Success
Fieldline, Boston (hybrid)
About Fieldline
Fieldline builds scheduling and dispatch software for commercial HVAC and mechanical contractors. We're 28 people, Series A, and about 140 contractors run their day on us.
The role
You'll be our first customer success hire, reporting to our CEO. You'll own what happens after a contract is signed.
What you'll bring
- 6+ years in customer success or account management at a B2B SaaS company
- 2+ years managing people
- Experience selling to or working with trades, field service, or construction customers
- Comfortable in the details of a messy implementation
Nice to have
- Experience at a company between 20 and 100 people
- Familiarity with HubSpot or Vitally
- Spanish
How we work
We pick up the phone. We show the work.
Start with the job description you have
Upload it or paste it in. Drafts work too. Winnow shows you exactly what it read before doing anything with it.
Head of Customer Success, Fieldline
What your job description asks for
Background & experience
What the ideal candidate has done
Customer success or account management at B2B SaaS, 6+ yearsFrom your JD: “6+ years in customer success or account management at a B2B SaaS company”
Managing people, 2+ yearsFrom your JD: “2+ years managing people”
Worked with trades, field service, or construction customersFrom your JD: “Experience selling to or working with trades, field service, or construction customers”
Has run messy customer implementationsFrom your JD: “Comfortable in the details of a messy implementation”
Worked at a 20–100 person companyFrom your JD: “Experience at a company between 20 and 100 people”
Has used HubSpot or VitallyFrom your JD: “Familiarity with HubSpot or Vitally”
Has built a customer success function from zeroImpliedInferred from “our first customer success hire” and “set up health scoring, QBRs, and playbooks”
Has hired a teamImpliedInferred from “Hire and lead a team of 2–3 CSMs over the next 12 months”
Head of Customer Success, Fieldline
Background requirement 3 of 8
You asked for 6+ years in customer success at a B2B SaaS company. That’s usually shorthand for a few things. Which of these do you actually need?
Select all that apply
Triages a book of accountsLeads a renewal with an economic buyer
Got it: two skills added. Given those, does the background itself still matter?I’d suggest loosening it. The resume review still needs something to go on, but six years at a SaaS company isn’t the only way to get there.
Choose one
Loosen it
Here’s a broader version for the resume review. It keeps the signal without the six-year filter:
6+ years in customer success or account management at a B2B SaaS company
Has owned B2B customer accounts after the sale, with a renewal or retention outcome
Head of Customer Success, Fieldline
Comparison 2 of 6
Who’s the stronger candidate?
Two realistic mock candidates. Go with your gut; your choices show what you actually care about.
Candidate A
Background
7 years as a CSM at a B2B marketing software company
Customer accounts
Owned 40 accounts with renewal targets
Implementations
Handed off to a separate onboarding team
Managing people
Led 2 CSMs for a year
Industry
Marketing software
Candidate B
Background
Ran operations at an HVAC contractor, then 3 years leading implementations at a field service software company
Customer accounts
No renewal ownership
Implementations
Led 25+ rollouts to field teams
Managing people
Managed dispatchers and a scheduler
Industry
Trades and field service
You picked B, who has no B2B SaaS experience. What makes up for it?
Select all that apply
Your answer becomes a screening profile.
Head of Customer Success, Fieldline
Round 3 of 8
Of these four, which matters most for this role? Which matters least?
Most importantRequirementLeast important
Leads a renewal with an economic buyerTies value delivered to price; handles a price objection without discounting first.
Drives end-user adoptionGets field technicians, not just the buyer, using the product within 30 days.
Gives direct, specific feedbackRaises problems with a report within days, tied to specific behavior.
Builds what’s missingMakes the tool or process needed rather than waiting for one.
Head of Customer Success, Fieldline
Your hiring criteria
Everything you’ve refined and ranked, in one place. Your updated JD, resume review, and interview plan all come from this list. Posted criteria appear in the JD; evaluation only criteria shape the interview plan but aren’t shared publicly.
Ranked by your choices. Standards stay internal; the JD states the skill.
1Drives end-user adoptionGets field technicians, not just the buyer, using the product within 30 days.Must-have
2Leads a renewal with an economic buyerTies value delivered to price; handles a price objection without discounting first.Must-have
3Runs a messy implementationScopes before committing to a date, plans the migration, re-plans in the open when it slips.Must-have
4Gives direct, specific feedbackRaises problems with a report within days, tied to specific behavior.Must-have
5Spots churn risk before renewalReads usage and support signals to flag at-risk accounts a quarter ahead.Must-have
6Hires against clear criteriaDefines what good looks like for a role before recruiting, and decides against it.Must-have
7Triages a book of accountsDecides which of 30+ accounts need attention this week from usage and relationship signals.Nice-to-have
8Understands SaaS retention mechanicsExplains how churn, contraction, and expansion roll into net revenue retention.Nice-to-have
Head of Customer Success, Fieldline
Your revised job description
Original
What you’ll bring
6+ years in customer success or account management at a B2B SaaS companyBroadened
2+ years managing peopleBroadened
Experience selling to or working with trades, field service, or construction customersBroadened
Comfortable in the details of a messy implementationClarified
Nice to have
Experience at a company between 20 and 100 peopleRemoved
Familiarity with HubSpot or VitallyRemoved
SpanishUnchanged
About, responsibilities, location, and how we work are unchanged.
RevisedNew or rewritten
What you’ll bring
You get field teams using new software: you’ve led rollouts where technicians, not just the buyer, adopted the product.
You can lead a renewal with the person who signs, tying the value delivered to the price.
You can run a messy implementation: scope before committing to a date, plan the data migration, and re-plan in the open when it slips.
You give the people you lead direct, specific feedback.
You’ve owned B2B customer accounts after the sale, with a renewal or retention outcome, or you’ve run operations in a trades or field service business and led software rollouts to field teams.
You’ve led people or work through others.
Nice to have
Spanish
Pressure-test what you’re looking for
Job requirements are the foundation of any hiring plan. Winnow pulls every requirement from your JD, including what’s hiding, then helps you articulate what matters most.
Head of Customer Success, Fieldline
Your hiring plan.
Select your stages and confirm where and when you’ll assess each requirement.
Values & ApproachDefaults to direct, real-time contactMust-have
SkillDrives end-user adoptionMust-have
SkillGives direct, specific feedbackMust-have
SkillHires against clear criteriaMust-have
Head of Customer Success, Fieldline
Stage 1 of 5
Resume review
At least one of
Has owned B2B customer accounts after the sale, with a renewal or retention outcome
Counts: A CSM or account manager role with renewal or retention responsibility.Doesn’t count: Pre-sale roles only, like SDR or AE, with no post-sale ownership.
OR
Ran operations in a trades or field service business, then led software rollouts to field teams
Counts: An operations, dispatch, or service manager who led a software rollout.Doesn’t count: A field technician role without leading the rollout.
AND
Has led people or work through others
Counts: Direct reports, or leading a project team or cross-functional rollout.Doesn’t count: Individual contributor work only.
Head of Customer Success, Fieldline
Stage 3 of 5
Hiring manager interview
This interview passes if
Every must-have averages 3 or higher, and no question scores a 1.
Leads a renewal with an economic buyer
Must-have
Scorecard
4Strong PassTies value delivered to price, with numbers, before any discount. Goes straight to the person who signs.
3PassDefends value with specifics. Concedes something, but deliberately.
2Partial PassGeneral value talk. Leads with a discount.
1No PassNo real example, or blames the customer.
Runs a messy implementation
Must-have
Hires against clear criteria
Must-have
Map the process end-to-end
Winnow suggests where in the hiring process to assess each requirement, but you retain full control. Open any stage to build an interview or screening guide, complete with rubrics. Winnow shows you a first draft so you have something to react to.
Interview guide, stage 3 of 5
Hiring manager interview
Head of Customer Success, Fieldline
This interview passes ifEvery must-have averages 3 or higher, and no question scores a 1.Must-haves in this interview: leads a renewal with an economic buyer; runs a messy implementation; hires against clear criteria.
Leads a renewal with an economic buyer
1.Walk me through a renewal where the customer pushed back on price. What did you do?
4
Strong Pass
Ties value delivered to price, with numbers, before any discount. Goes straight to the person who signs.
3
Pass
Defends value with specifics. Concedes something, but deliberately.
2
Partial Pass
General value talk. Leads with a discount.
1
No Pass
No real example, or blames the customer.
Notes
Score4321
2.Tell me about a renewal you lost. What would you do differently?
4
Strong Pass
Owns the loss, names the earlier signal they missed, and says what they changed after.
3
Pass
Owns the loss; the lesson is general.
2
Partial Pass
Partly blames circumstances.
1
No Pass
No example, or blames the customer.
Notes
Score4321
Off you go!
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