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What is an Applicant Tracking System (ATS)? Complete Guide for 2026
April 28, 202411 min read
An Applicant Tracking System (ATS) is software designed to streamline and automate the recruitment process. It helps organizations manage job postings, screen applications, track candidates through the hiring pipeline, and maintain compliance—all from a centralized platform.
With 99% of Fortune 500 companies using an ATS and adoption growing rapidly among mid-size and small businesses, understanding how these systems work is essential for both recruiters and job seekers.
This comprehensive guide covers how ATS works, key features to look for, benefits for organizations, tips for job seekers, and how to choose the right system.
## How Does an Applicant Tracking System Work?
At its core, an ATS serves as a central hub for all recruitment activities. Here's the typical workflow:
### 1. Job Requisition and Posting
Recruiters create job listings within the ATS, including:
- Job title, description, and requirements
- Compensation and benefits information
- Location and work arrangement details
- Required qualifications and skills
The ATS then distributes postings to multiple channels:
- Company career page
- Job boards (Indeed, LinkedIn, ZipRecruiter, etc.)
- Social media platforms
- Aggregator sites
- Staffing agencies
### 2. Application Collection
When candidates apply, the ATS:
- Captures application data and resumes
- Stores information in a searchable database
- Assigns candidates to specific requisitions
- Triggers acknowledgment emails
### 3. Resume Parsing and Screening
The ATS analyzes incoming applications:
- **Resume parsing:** Extracts structured data (name, contact info, work history, skills) from unstructured resume documents
- **Keyword matching:** Compares resume content against job requirements
- **Ranking:** Scores and ranks candidates based on match criteria
- **Filtering:** Flags candidates who meet minimum qualifications
### 4. Candidate Management
Throughout the recruitment process:
- Track candidates through stages (applied, screened, interviewed, offered)
- Store interview notes and evaluations
- Enable collaboration among hiring team members
- Maintain communication history
### 5. Interview Scheduling
The ATS facilitates interview coordination:
- Self-scheduling through candidate portals
- Calendar integration with hiring managers
- Automated reminders to candidates and interviewers
- Integration with tools like [SchedulingKit](https://schedulingkit.com) for flexible booking
### 6. Hiring and Onboarding
After selection:
- Generate and send offer letters
- Initiate background checks
- Hand off to onboarding systems (or handle within the ATS)
- Archive unsuccessful candidates for future opportunities
---
## Key Features of Modern ATS Platforms
### Core Features (Essential)
**Job posting management:**
- Create and edit job listings
- Multi-channel distribution
- Posting templates and cloning
- Career site hosting
**Resume management:**
- Resume parsing and storage
- Full-text search
- Boolean search capabilities
- Duplicate detection
**Candidate tracking:**
- Pipeline stages and workflows
- Status updates and history
- Candidate profiles and records
- Application timelines
**Communication tools:**
- Email templates
- Bulk messaging
- Automated responses
- Candidate portal access
**Team collaboration:**
- Shared notes and evaluations
- Interviewer feedback collection
- Role-based access controls
- Internal commenting
**Reporting and analytics:**
- Time-to-fill metrics
- Source effectiveness
- Pipeline analytics
- Compliance reporting
### Advanced Features (Differentiators)
**AI-powered screening:**
- Machine learning for candidate matching
- Predictive analytics for hire success
- Bias detection and mitigation
- Intelligent recommendations
**CRM capabilities:**
- Talent pools and pipelines
- Passive candidate nurturing
- Marketing automation
- Events and campaigns
**Video interviewing:**
- One-way recorded interviews
- Live video interview hosting
- Interview evaluation tools
**Assessments integration:**
- Skills testing
- Personality assessments
- Coding challenges
- Situational judgment tests
**Mobile optimization:**
- Mobile-friendly applications
- Recruiter mobile apps
- Text/SMS communication
**Integrations:**
- HRIS and payroll systems
- Background check providers
- Calendar systems
- Scheduling tools
- Social media platforms
---
## Benefits of Using an ATS
### For Organizations
**1. Time savings:**
Manual processes that take hours become minutes. Automatic screening, template emails, and centralized data reduce recruiter workload dramatically.
*Average impact:* 75% reduction in time spent on administrative tasks
**2. Improved candidate quality:**
Structured screening and standardized evaluation help identify the best candidates more consistently.
*Average impact:* 50% improvement in quality of hire metrics
**3. Faster time-to-hire:**
Streamlined workflows and automation accelerate the entire hiring process.
*Average impact:* 20-30% reduction in time-to-fill
**4. Cost reduction:**
Better source tracking, faster fills, and reduced reliance on agencies lower overall hiring costs.
*Average impact:* 40% reduction in cost-per-hire
**5. Enhanced compliance:**
Built-in tracking and documentation help maintain EEOC compliance, OFCCP requirements, and data privacy regulations.
**6. Better candidate experience:**
Consistent communication, status updates, and professional touchpoints improve employer brand perception.
**7. Data-driven decisions:**
Analytics and reporting enable evidence-based improvements to recruitment strategies.
**8. Scalable processes:**
Whether hiring 10 or 10,000 people, ATS platforms maintain consistency and efficiency.
### For Recruiters
**1. Centralized workspace:**
Everything needed for recruitment in one place—no more switching between spreadsheets, email, and calendar.
**2. Pipeline visibility:**
Clear view of where every candidate stands across all open positions.
**3. Collaboration efficiency:**
Easy coordination with hiring managers without endless email chains.
**4. Administrative automation:**
Focus on relationship-building and strategy, not paperwork.
**5. Talent pool access:**
Build and search databases of past candidates for future roles.
### For Hiring Managers
**1. Structured input:**
Provide feedback through organized forms rather than scattered emails.
**2. Schedule control:**
View and manage interview slots on your own time.
**3. Visibility:**
See candidate progress without constantly checking in with HR.
**4. Better candidates:**
Pre-screened applicants mean less time reviewing unqualified candidates.
---
## How to Make Your Resume ATS-Friendly
For job seekers, understanding how ATS systems work is crucial for getting past initial screening.
### ATS Resume Optimization Tips
**1. Use standard formatting:**
- Simple, clean layouts with clear sections
- Avoid tables, text boxes, and graphics
- Use standard fonts (Arial, Calibri, Garamond)
- No headers or footers for important information
**2. Include keywords strategically:**
- Mirror important terms from the job description
- Use both spelled-out terms and acronyms (e.g., "Search Engine Optimization (SEO)")
- Place keywords in context, not just listed
- Include industry-standard terminology
**3. Use conventional section headings:**
- Work Experience (not "My Journey")
- Education (not "Where I Learned")
- Skills (not "What I Do Best")
- Standard headings help parsing software
**4. Choose the right file format:**
- .docx files typically parse best
- .pdf is generally safe but can vary by system
- Avoid image-based PDFs
- Never submit in unusual formats
**5. Include essential information:**
- Contact information at the top (not in header)
- Dates in consistent format (Month Year or MM/YYYY)
- Company names and job titles clearly stated
- Quantified achievements where possible
**6. Avoid common mistakes:**
- Don't use creative spellings ("kustomer service")
- Don't hide text (white text on white background will disqualify you)
- Don't use job title clichés ("guru," "ninja," "rockstar")
- Don't omit standard resume sections
---
## Top Applicant Tracking Systems in 2026
### Enterprise (1,000+ employees)
**Workday Recruiting:**
Part of the broader Workday HCM suite. Best for organizations already using Workday for HR.
**Oracle Taleo:**
Established enterprise solution with deep functionality. Best for complex, global organizations.
**SAP SuccessFactors:**
Integrates with SAP's broader ecosystem. Best for SAP-centric enterprises.
### Mid-Market (100-999 employees)
**Greenhouse:**
Known for structured hiring methodology. Best for companies focused on process excellence.
**Lever:**
Combines ATS and CRM capabilities. Best for organizations building talent pipelines.
**iCIMS:**
Scalable platform with strong compliance. Best for growing organizations with complex needs.
**JazzHR:**
User-friendly with solid features. Best for mid-size companies wanting simplicity.
### Small Business (Under 100 employees)
**BambooHR:**
ATS built into broader HR platform. Best for small businesses wanting integrated HR.
**Breezy HR:**
Visual pipeline with drag-and-drop interface. Best for teams wanting simplicity.
**Workable:**
Quick setup with AI-powered sourcing. Best for fast-growing startups.
**Recruitee:**
Modern interface with collaborative features. Best for team-based hiring.
### Specialized
**SmartRecruiters:**
Focus on enterprise talent acquisition. Best for high-volume hiring.
**Bullhorn:**
Staffing and recruiting agency focus. Best for staffing firms.
**Zoho Recruit:**
Integrated with Zoho ecosystem. Best for Zoho users.
---
## How to Choose the Right ATS
### Step 1: Define Requirements
**Essential questions:**
- How many hires per year?
- How large is your recruiting team?
- What's your budget per month/year?
- What systems must the ATS integrate with?
- What's most important: speed, quality, candidate experience, or compliance?
### Step 2: Consider Must-Have vs. Nice-to-Have
**Must-haves (examples):**
- Job posting to specific boards you use
- Resume parsing accuracy
- Integration with your HRIS
- Compliance features for your industry
- Mobile functionality
**Nice-to-haves (examples):**
- AI-powered screening
- Video interviewing
- Advanced analytics
- CRM capabilities
### Step 3: Evaluate Vendors
**Demonstration:**
- See the product with your use cases
- Ask about implementation timeline
- Understand training and support
**References:**
- Talk to companies of similar size and industry
- Ask about implementation experience
- Inquire about long-term satisfaction
**Contract terms:**
- Pricing model (per user, per hire, per employee)
- Contract length and flexibility
- Data portability if you switch
- Support levels and response times
### Step 4: Plan Implementation
**Key considerations:**
- Data migration from current systems
- Integration configuration
- Workflow customization
- Team training timeline
- Go-live and transition planning
---
## ATS Implementation Best Practices
### Before Go-Live
**1. Clean your data:**
Before migrating, audit existing candidate records. Remove duplicates, update outdated information, and categorize candidates appropriately.
**2. Map your process:**
Document your current hiring workflow. Then design the ideal workflow in your new system, taking advantage of automation opportunities.
**3. Configure thoughtfully:**
Resist the urge to customize everything immediately. Start with standard workflows and adjust based on actual usage.
**4. Train thoroughly:**
Invest in comprehensive training for recruiters, hiring managers, and administrators. Hands-on practice beats passive learning.
### After Go-Live
**1. Gather feedback:**
Create channels for users to report issues and suggest improvements. Act on feedback quickly in the first 90 days.
**2. Monitor adoption:**
Track usage metrics to identify who's not using the system and understand why.
**3. Measure results:**
Compare metrics (time-to-fill, source effectiveness, hiring manager satisfaction) before and after implementation.
**4. Optimize continuously:**
Schedule regular reviews to identify process improvements and new feature adoption opportunities.
---
## Common ATS Challenges and Solutions
**Challenge: Low adoption among hiring managers**
*Solution:* Make the ATS the only path to hiring. Require all feedback through the system. Simplify their interface to essential tasks only.
**Challenge: Poor candidate experience**
*Solution:* Enable self-scheduling, provide status updates, use mobile-optimized applications, and send timely rejections.
**Challenge: Resume parsing errors**
*Solution:* Use high-quality parsing tools, allow candidates to review parsed data, and provide manual override options.
**Challenge: Integration issues**
*Solution:* Choose platforms with pre-built integrations for your key systems. Budget for integration configuration during implementation.
**Challenge: Report limitations**
*Solution:* Define reporting requirements upfront during vendor selection. Many ATS platforms allow custom reporting or data exports for external analysis.
---
## Frequently Asked Questions
### What percentage of companies use an ATS?
Approximately 99% of Fortune 500 companies and about 75% of mid-to-large organizations use some form of ATS. Adoption among small businesses is growing rapidly, with over 50% now using specialized recruiting software.
### Do ATSs really reject good candidates?
ATSs don't make hiring decisions—humans do. However, poorly configured screening criteria can filter out qualified candidates, and poorly formatted resumes may not parse correctly. The system is only as good as its configuration and the job seeker's resume optimization.
### How much does an ATS typically cost?
Pricing varies widely:
- Small business solutions: $50-$500/month
- Mid-market: $5,000-$25,000/year
- Enterprise: $50,000-$500,000+/year
Factors include user count, hire volume, features needed, and integrations required.
### Can small businesses benefit from an ATS?
Absolutely. Even companies hiring 5-10 people per year benefit from better organization, compliance documentation, and candidate experience. Many affordable options are designed specifically for small business needs.
### How long does ATS implementation take?
Small business implementations can go live in 2-4 weeks. Mid-market typically takes 1-3 months. Enterprise implementations may take 3-12 months depending on complexity, integrations, and data migration needs.
---
## Key Takeaways
- **ATS systems** centralize and automate recruitment, from job posting through hiring
- **Core benefits:** time savings, improved quality, faster hiring, better compliance, and data-driven decisions
- **Key features:** job posting, resume parsing, candidate tracking, communication tools, and analytics
- **For job seekers:** optimize resumes for ATS by using standard formatting, including keywords, and choosing the right file format
- **Choosing an ATS:** define requirements, evaluate vendors thoroughly, plan implementation carefully
- **Success factors:** clean data, mapped processes, thorough training, and continuous optimization
Whether you're building a recruiting function for the first time or upgrading your current systems, the right ATS can transform your ability to find, engage, and hire great talent.
---
## Related Articles
- [7 Reasons to Hire a Virtual Assistant](/blog/7-reasons-to-hire-a-virtual-assistant)
- [Tips for Hiring on a Tight Deadline](/blog/tips-for-hiring-on-a-tight-deadline)
- [How to Create Effective Training Programs for Employees](/blog/how-to-create-effective-training-programs-for-employees)
- [10 Best Ways to Welcome New Team Members](/blog/best-ways-to-welcome-new-team-members)
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