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HR Generalist - Careers at Robert Half

Robert Half

HR Generalist - Careers at Robert Half

full-timePosted: Feb 4, 2026

Job Description

HR Generalist Opportunity with Robert Half in O'Fallon, Illinois

Join a dynamic, growth-oriented company through Robert Half's exclusive partnership! Roseann Mabry is thrilled to connect top HR talent with this direct-hire HR Generalist position in O'Fallon, IL. This onsite role is pivotal for managing HR operations across 29 locations in two states, supporting rapid expansion while ensuring compliance and employee satisfaction. With a salary up to $90,000, this is your chance to make a lasting impact in a collaborative environment. If you're an experienced HR professional skilled in onboarding, employee relations, and compliance, apply today and elevate your career with Robert Half.

About the Role

As the HR Generalist, you'll be the go-to expert for all HR functions, stepping into a high-impact position that drives organizational success. This full-time, direct-hire opportunity offers stability and growth in O'Fallon, Illinois, a vibrant community near St. Louis. You'll handle everything from new hire onboarding to complex investigations, FMLA, workers' comp, and more. Perfect for SHRM-certified pros or those with ADP/HRIS expertise, this role demands a proactive leader who thrives in multi-state operations. Robert Half ensures a seamless placement process—send your resume to Roseann Mabry and connect on LinkedIn for personalized guidance.

Key Responsibilities

Your day-to-day will focus on core HR delivery:
• Oversee comprehensive onboarding for all new hires and PRN staff, from paperwork to cultural integration.
• Proactively manage employee relations, resolving conflicts and enhancing workplace morale.
• Lead investigations into sensitive issues like harassment or policy breaches with impartiality and efficiency.
• Administer FMLA, disability, workers' compensation, and unemployment claims, minimizing risks.
• Ensure HR compliance across federal/state laws for 29 locations, conducting audits and training.
• Maintain HRIS (ADP Enterprise) and systems for precise data, reporting, and analytics.
• Manage benefits enrollment, payroll support, and employee queries with top-tier service.
• Partner with executives to strategize on retention, engagement, and talent development.
• Deliver outstanding customer service, positioning HR as a strategic business partner.
• Scale HR processes to fuel company growth in a competitive market.

Required Qualifications

To succeed, bring:
• 3-5+ years in HR generalist roles, preferably multi-site.
• Expertise in employment law, FMLA, ADA, OSHA, and claims management.
• Hands-on ADP Enterprise or similar HRIS proficiency.
• Stellar communication for employee-facing and leadership interactions.
• Proven track record in investigations and conflict resolution.
• Bachelor's in HR or related field; PHR/SHRM-CP preferred.
• Adaptability for onsite work in a fast-growing firm.
SEO keywords: HR Generalist jobs O'Fallon IL, Robert Half careers, onboarding specialist, employee relations expert.

Why Join Us

Be part of a thriving organization with 29 locations spanning two states, offering unmatched growth potential. Enjoy a competitive salary ($80K-$90K), robust benefits like 401(k) matching, health coverage, PTO, and professional development. Robert Half provides white-glove recruitment support, connecting you to top employers. O'Fallon, IL, boasts a high quality of life with proximity to urban amenities, low cost of living, and family-friendly vibes. This role isn't just a job—it's a career launchpad in HR. Keywords: HR compliance Illinois, FMLA specialist, workers comp manager, direct hire HR jobs. Apply now—over 700 words of opportunity await!

Locations

  • O'Fallon, Illinois, United States

Salary

80,000 - 90,000 USD / yearly

Estimated Salary Rangehigh confidence

80,000 - 90,000 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Onboardingintermediate
  • Employee Relationsintermediate
  • HR Complianceintermediate
  • Investigationsintermediate
  • FMLA Administrationintermediate
  • Workers' Compensationintermediate
  • Disability Claimsintermediate
  • Unemployment Claimsintermediate
  • HRIS/ADP Enterpriseintermediate
  • Benefits Administrationintermediate

Required Qualifications

  • Bachelor's degree in Human Resources, Business Administration, or related field preferred (experience)
  • 3-5 years of progressive HR generalist experience, ideally in multi-location organizations (experience)
  • In-depth knowledge of employment laws, FMLA, ADA, workers' compensation, and unemployment processes (experience)
  • Proficiency with HRIS systems such as ADP Enterprise and Microsoft Office Suite (experience)
  • Strong investigative skills with experience conducting employee relations investigations (experience)
  • Excellent communication and interpersonal skills for employee and management interactions (experience)
  • Ability to manage multiple priorities in a fast-paced, growth-oriented environment (experience)
  • SHRM-CP or PHR certification is a plus (experience)
  • Experience supporting onboarding for full-time and PRN staff (experience)
  • Commitment to maintaining confidentiality and ethical HR practices (experience)

Responsibilities

  • Oversee the onboarding process for all new hires and PRN staff, ensuring a seamless transition into the organization
  • Manage employee relations by addressing concerns, resolving workplace issues, and fostering a positive culture
  • Conduct thorough investigations into employee complaints, harassment claims, and policy violations
  • Handle FMLA leaves, disability claims, workers' compensation cases, and unemployment claims efficiently
  • Monitor and enforce HR compliance with federal, state, and local regulations across 29 locations in 2 states
  • Maintain and audit HR systems including HRIS and ADP Enterprise for accurate records and reporting
  • Administer employee benefits programs, payroll inquiries, and open enrollment processes
  • Collaborate with leadership to develop strategies that boost employee satisfaction, retention, and engagement
  • Provide exceptional HR customer service to employees and management at all levels
  • Support organizational growth by scaling HR processes for multi-state operations

Benefits

  • general: Competitive salary up to $90,000 annually based on experience
  • general: Comprehensive health, dental, and vision insurance plans
  • general: 401(k) retirement savings plan with company matching
  • general: Paid time off including vacation, sick leave, and holidays
  • general: Professional development opportunities and tuition reimbursement
  • general: Employee assistance program for personal and work-life support
  • general: Opportunities for career advancement in a rapidly growing organization
  • general: Onsite work environment with collaborative team culture

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Robert Half CareersJobs in O'Fallon, ILHR GeneralistHuman ResourcesOnboardingEmployee RelationsHR ComplianceFinanceAccountingAdmin

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Robert Half logo

HR Generalist - Careers at Robert Half

Robert Half

HR Generalist - Careers at Robert Half

full-timePosted: Feb 4, 2026

Job Description

HR Generalist Opportunity with Robert Half in O'Fallon, Illinois

Join a dynamic, growth-oriented company through Robert Half's exclusive partnership! Roseann Mabry is thrilled to connect top HR talent with this direct-hire HR Generalist position in O'Fallon, IL. This onsite role is pivotal for managing HR operations across 29 locations in two states, supporting rapid expansion while ensuring compliance and employee satisfaction. With a salary up to $90,000, this is your chance to make a lasting impact in a collaborative environment. If you're an experienced HR professional skilled in onboarding, employee relations, and compliance, apply today and elevate your career with Robert Half.

About the Role

As the HR Generalist, you'll be the go-to expert for all HR functions, stepping into a high-impact position that drives organizational success. This full-time, direct-hire opportunity offers stability and growth in O'Fallon, Illinois, a vibrant community near St. Louis. You'll handle everything from new hire onboarding to complex investigations, FMLA, workers' comp, and more. Perfect for SHRM-certified pros or those with ADP/HRIS expertise, this role demands a proactive leader who thrives in multi-state operations. Robert Half ensures a seamless placement process—send your resume to Roseann Mabry and connect on LinkedIn for personalized guidance.

Key Responsibilities

Your day-to-day will focus on core HR delivery:
• Oversee comprehensive onboarding for all new hires and PRN staff, from paperwork to cultural integration.
• Proactively manage employee relations, resolving conflicts and enhancing workplace morale.
• Lead investigations into sensitive issues like harassment or policy breaches with impartiality and efficiency.
• Administer FMLA, disability, workers' compensation, and unemployment claims, minimizing risks.
• Ensure HR compliance across federal/state laws for 29 locations, conducting audits and training.
• Maintain HRIS (ADP Enterprise) and systems for precise data, reporting, and analytics.
• Manage benefits enrollment, payroll support, and employee queries with top-tier service.
• Partner with executives to strategize on retention, engagement, and talent development.
• Deliver outstanding customer service, positioning HR as a strategic business partner.
• Scale HR processes to fuel company growth in a competitive market.

Required Qualifications

To succeed, bring:
• 3-5+ years in HR generalist roles, preferably multi-site.
• Expertise in employment law, FMLA, ADA, OSHA, and claims management.
• Hands-on ADP Enterprise or similar HRIS proficiency.
• Stellar communication for employee-facing and leadership interactions.
• Proven track record in investigations and conflict resolution.
• Bachelor's in HR or related field; PHR/SHRM-CP preferred.
• Adaptability for onsite work in a fast-growing firm.
SEO keywords: HR Generalist jobs O'Fallon IL, Robert Half careers, onboarding specialist, employee relations expert.

Why Join Us

Be part of a thriving organization with 29 locations spanning two states, offering unmatched growth potential. Enjoy a competitive salary ($80K-$90K), robust benefits like 401(k) matching, health coverage, PTO, and professional development. Robert Half provides white-glove recruitment support, connecting you to top employers. O'Fallon, IL, boasts a high quality of life with proximity to urban amenities, low cost of living, and family-friendly vibes. This role isn't just a job—it's a career launchpad in HR. Keywords: HR compliance Illinois, FMLA specialist, workers comp manager, direct hire HR jobs. Apply now—over 700 words of opportunity await!

Locations

  • O'Fallon, Illinois, United States

Salary

80,000 - 90,000 USD / yearly

Estimated Salary Rangehigh confidence

80,000 - 90,000 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Onboardingintermediate
  • Employee Relationsintermediate
  • HR Complianceintermediate
  • Investigationsintermediate
  • FMLA Administrationintermediate
  • Workers' Compensationintermediate
  • Disability Claimsintermediate
  • Unemployment Claimsintermediate
  • HRIS/ADP Enterpriseintermediate
  • Benefits Administrationintermediate

Required Qualifications

  • Bachelor's degree in Human Resources, Business Administration, or related field preferred (experience)
  • 3-5 years of progressive HR generalist experience, ideally in multi-location organizations (experience)
  • In-depth knowledge of employment laws, FMLA, ADA, workers' compensation, and unemployment processes (experience)
  • Proficiency with HRIS systems such as ADP Enterprise and Microsoft Office Suite (experience)
  • Strong investigative skills with experience conducting employee relations investigations (experience)
  • Excellent communication and interpersonal skills for employee and management interactions (experience)
  • Ability to manage multiple priorities in a fast-paced, growth-oriented environment (experience)
  • SHRM-CP or PHR certification is a plus (experience)
  • Experience supporting onboarding for full-time and PRN staff (experience)
  • Commitment to maintaining confidentiality and ethical HR practices (experience)

Responsibilities

  • Oversee the onboarding process for all new hires and PRN staff, ensuring a seamless transition into the organization
  • Manage employee relations by addressing concerns, resolving workplace issues, and fostering a positive culture
  • Conduct thorough investigations into employee complaints, harassment claims, and policy violations
  • Handle FMLA leaves, disability claims, workers' compensation cases, and unemployment claims efficiently
  • Monitor and enforce HR compliance with federal, state, and local regulations across 29 locations in 2 states
  • Maintain and audit HR systems including HRIS and ADP Enterprise for accurate records and reporting
  • Administer employee benefits programs, payroll inquiries, and open enrollment processes
  • Collaborate with leadership to develop strategies that boost employee satisfaction, retention, and engagement
  • Provide exceptional HR customer service to employees and management at all levels
  • Support organizational growth by scaling HR processes for multi-state operations

Benefits

  • general: Competitive salary up to $90,000 annually based on experience
  • general: Comprehensive health, dental, and vision insurance plans
  • general: 401(k) retirement savings plan with company matching
  • general: Paid time off including vacation, sick leave, and holidays
  • general: Professional development opportunities and tuition reimbursement
  • general: Employee assistance program for personal and work-life support
  • general: Opportunities for career advancement in a rapidly growing organization
  • general: Onsite work environment with collaborative team culture

Target Your Resume for "HR Generalist - Careers at Robert Half" , Robert Half

Get personalized recommendations to optimize your resume specifically for HR Generalist - Careers at Robert Half. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "HR Generalist - Careers at Robert Half" , Robert Half

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

Robert Half CareersJobs in O'Fallon, ILHR GeneralistHuman ResourcesOnboardingEmployee RelationsHR ComplianceFinanceAccountingAdmin

Answer 10 quick questions to check your fit for HR Generalist - Careers at Robert Half @ Robert Half.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.