ATS Migration Resource

Candidate and Vacancy
Data Migration Checklist

Prepare candidate, vacancy and process data for a safer ATS transition. Identify what to move, what to archive and how to validate data before launch.

This page is for you if...

Your migration has real data risks

  • Candidate records live in multiple systems, spreadsheets, or email threads with no single source of truth
  • Vacancy stages are inconsistent across teams or hiring managers, making field mapping unclear
  • Notes, feedback and interview history are scattered and may not survive a system move
  • Duplicates are common and nobody currently owns the cleanup
  • Active hiring cannot pause while migration happens, so disruption risk is real
  • No one has documented which fields actually need to migrate and which can be archived or dropped
    • The real risk is not system selection
    Most ATS migrations go wrong not because the wrong system was chosen, but because candidate history, vacancy mapping, ownership and data quality were not addressed before the move. Duplicate records, broken stage logic and missing notes create chaos that takes weeks to untangle after go-live.
    This checklist is a migration planning tool
    It is not a generic ebook. It covers what to move, what to archive, what to clean up and how to validate your data before launch. Designed for teams actively planning or already mid-evaluation.

Checklist contents

What the migration checklist covers

  • Candidate data inventory — core fields, ownership, source location, cleanup status and migration priority
  • Vacancy and stage mapping logic — open roles, historical roles, stages, statuses, ownership and archive decisions
  • Data cleanup and deduplication checks — duplicate candidates, incomplete records, inconsistent stage labels and obsolete data
  • Archive vs migrate decisions — guidance to avoid moving low-value data blindly into the new system
  • Ownership and QA steps — who owns extraction, cleanup, mapping, validation, stakeholder sign-off and go-live review
  • Launch-readiness review — validation checkpoints for sample imports, active role QA, notes and attachments checks and first-week post-launch review
  • First 30 days guidance — stabilization, issue logging and workflow adjustments after launch
    • Access the full checklist

Checklist preview

Candidate Data Inventory
Vacancy & Stage Mapping
Deduplication & Cleanup

Access the full checklist via the form below

Interactive checklist

Track your migration readiness

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1. Candidate Data Inventory Pre-migration
List all sources where candidate data currently lives (email, spreadsheets, ATS, shared docs)
Document core candidate fields: name, contact, current stage, assigned recruiter, source and notes
Assign migration priority: active candidates (must move), recent candidates (review), historical (archive or drop)
Identify who owns each data source and who is responsible for cleanup before export
Check for attachments (CVs, assessment notes, feedback forms) and confirm migration approach for each type
2. Vacancy and Stage Mapping Pre-migration
List all active vacancies and confirm they will be migrated with full candidate history intact
Document all current stages and map them to equivalent stages in the target system
Identify stage label inconsistencies across teams and decide on a unified naming convention before import
Decide which historical vacancies to archive and which to migrate (closed, filled, or stale roles)
Confirm ownership assignment for each active vacancy in the new system before go-live
3. Data Cleanup and Deduplication Cleanup phase
Run a duplicate check on candidate records (match by email, phone and name) before export
Resolve incomplete records: missing contact data, blank stage fields, or unassigned ownership
Remove or archive obsolete records: candidates from closed roles over 24 months, test entries and duplicate submissions
Standardize date formats, phone number formats and tag or label conventions before import
Document known data quality issues that will require manual review post-migration
4. Ownership and QA Steps Validation phase
Assign a named owner for each migration phase: extraction, cleanup, mapping, validation, sign-off and go-live
Run a sample import with a representative data set (10–20 candidates) and validate field mapping accuracy
QA active roles: confirm all live candidates are present, correctly staged and properly assigned in the new system
Check that notes, attachments and interview feedback have been preserved for all migrated active candidates
Get stakeholder sign-off (TA lead, hiring managers, ops) on data completeness before decommissioning the old system
5. Launch-Readiness and First 30 Days Go-live
Confirm a go-live date that does not coincide with high-volume interview weeks or critical offer deadlines
Brief the recruiting team on new workflow steps and stage naming before launch day
Log data issues discovered in week one and assign owners for each remediation item
Schedule a 30-day post-launch review to assess workflow adoption, data quality and any unresolved migration gaps

Migration framework

How to migrate safely: the 4-step framework

A safer migration depends on deciding what matters, not moving everything blindly. These four steps form the foundation of a controlled, lower-risk ATS data move.

1
Inventory
Map all sources where candidate and vacancy data currently lives. Document core fields, ownership, data quality status and what is actively needed for current hiring operations.
2
Cleanup
Remove duplicates, resolve incomplete records, standardize formats and make archive-versus-migrate decisions before any data is exported. Cleanup before migration, not after.
3
Mapping
Document how each field in the source system corresponds to a field in the target system. Resolve stage naming conflicts, define custom fields and confirm ownership assignments ahead of import.
4
Validation
Run sample imports, QA active roles, verify notes and attachments and get stakeholder sign-off before decommissioning the old system. Do not go live without a defined validation checklist.
What makes migrations fail
Moving data before it is cleaned. Skipping field mapping. Assuming active roles will survive migration automatically. Not assigning owners for cleanup or validation. Going live during a high-volume hiring week without a fallback plan.
Want help reviewing your migration scope before you move?
A migration consultation with HarmonyATS reviews your current data setup, identifies cleanup priorities and maps your existing workflow to a structured ATS configuration. Specific migration support capabilities are subject to confirmation.
Request a migration consultation

HarmonyATS

The structured next step after migration

HarmonyATS helps teams operationalize recruiting workflows and centralize hiring execution. For teams moving off spreadsheets or a legacy ATS, having a well-structured target system is what makes migration effort worthwhile.

Specific data import tools, migration support, integrations and implementation services are subject to confirmation. Request a migration consultation to review what is available for your team’s setup and timeline.

Request a migration consultation Book a demo
Workflow structure
A defined stage model for every vacancy, replacing inconsistent spreadsheet columns with a shared recruiting workflow.
Data ownership clarity
Assign roles, ownership and access controls to every record so nothing falls into an unmanaged state.
Reporting continuity
Maintain pipeline visibility and hiring metrics after the move, without rebuilding dashboards from scratch.
Scalable hiring execution
Build a consistent hiring process that scales as vacancy volume grows, without adding manual coordination overhead.

Commercial next steps

Ready to plan your migration?

Highest intent
Request a migration consultation
For teams actively evaluating a switch and worried about data loss, cleanup effort, or disrupting active hiring. We review your migration scope, cleanup priorities, mapping risks and rollout approach.
Request a consultation
Comparing vendors
Book a demo
For buyers already shortlisting ATS options who want to see how HarmonyATS handles workflow structure, hiring execution and process visibility before committing to a migration.
Book a demo
Start planning
Access the checklist
For teams in earlier planning stages. Get the full Candidate and Vacancy Data Migration Checklist with inventory worksheets, cleanup guidance, mapping logic and validation checkpoints.
Get the checklist

Process transparency

What happens after you submit

If you requested a migration consultation
Our team confirms the request and explains who will follow up. The consultation will cover migration scope, cleanup priorities, field mapping risks and rollout questions. Come prepared with sample candidate records, your active vacancy list, existing stages and your current source systems.
If you booked a demo
You receive confirmation with session details. The demo focuses on how HarmonyATS handles workflow structure, pipeline visibility and hiring execution in the context of a migration from your current system. We preserve your migration concern field for discovery prep.
If you downloaded the checklist
The checklist is delivered immediately. The recommended next step is a migration consultation to help apply the checklist to your real data and workflow. A demo remains available for buyers already comparing vendor options.

Frequently asked questions

Common questions about ATS data migration

Yes. The checklist is specifically designed for teams moving from spreadsheets, email threads, or lightweight tools into a structured ATS. It helps you inventory what data you have, identify what needs cleanup and decide what is worth migrating versus archiving.

Yes. The checklist covers candidate history, active vacancy ownership, consultant-level data and reporting continuity — all of which are critical concerns for agencies managing candidate and client data across multiple active roles.

No. The checklist includes archive-versus-migrate guidance to help teams decide which data is worth moving. Migrating low-value or outdated records blindly increases cleanup effort and risks introducing data quality problems into the new system.

Our team will follow up to schedule a focused consultation covering your migration scope, cleanup priorities, field mapping risks and rollout questions. We recommend gathering a sample candidate list, your active vacancy overview, existing stages and your current source systems before the session.

HarmonyATS is designed to support structured recruiting workflows and centralized hiring execution. Specific migration support, data import assistance and implementation services are subject to confirmation. Request a migration consultation to review what is available for your specific setup.

Migration timelines depend on the volume of data, the quality of existing records, the number of systems involved and how much cleanup is needed before import. The checklist helps teams scope the work accurately before committing to a timeline.

Get started

Request a migration consultation or access the checklist

Fill in the form to request a migration consultation, book a demo, or access the full Candidate and Vacancy Data Migration Checklist. Our team will follow up within one business day.

  • Consultation is a focused review, not a generic sales call
  • Checklist delivered immediately on form submission
  • Scope clarity and lower migration risk — that is the goal

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