INEOS Styrolution
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HR Shared Services Specialist
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INEOS Styrolution INEOS Styrolution is the world’s leading styrenics supplier, with a high-performing portfolio of styrene monomer, polystyrene, ABS and advanced styrenic products. With more than 90 years of innovation in materials science, INEOS Styrolution focuses on customer satisfaction and investments in technology that enable closed loop recyclability for styrenics while reducing carbon emissions. Operating 17 production sites in nine countries, the company employs approximately 3,000 people and had sales of €4.5 billion in 2023. More information: www.ineos-styrolution.com
Position Overview Location: Naperville, Illinois (although based in Aurora, Illinois for U.S. payroll processing, with potential support for Mexico payroll). This role supports U.S. payroll processing, system management (Dayforce and SAP SuccessFactors), and employee support.
What You Will Do
Process bi-weekly payroll accurately and on time, validate timesheets and prepare payroll imports.
Manage Dayforce Time & Attendance and Scheduling modules; ensure accurate data entry and resolve issues.
Reconcile payroll data and support accurate tax filings, garnishments, and benefits deductions.
Analyze discrepancies and resolve payroll issues proactively, identifying root causes and trends.
Assist new hires and exiting employees with benefit plan enrollments, change events, and related questions.
Support benefits administration with compliance of applicable laws and regulations and related reports.
Lead payroll audits and ensure compliance with internal controls and applicable legal and regulatory requirements.
Generate and analyze payroll reports, including labor cost, budget variances, and forecasting support.
Act as a subject matter expert for Mexico payroll, ensuring compliance with regional tax and labor laws.
Collaborate with HR, Finance, and IT to enhance payroll systems and drive process improvements.
Support employees across the region with payroll-related inquiries, providing bilingual assistance where applicable (Spanish preferred).
Foster effective communication with leadership and plant teams to ensure alignment and responsiveness.
Contribute to a culture of flexibility, teamwork, and accountability—especially during high-demand cycles.
What You Will Bring
Associate’s degree in Accounting, Business, or a related field required; Bachelor’s degree preferred or equivalent experience.
5+ years of payroll experience, ideally within a shared services or centralized payroll environment.
Knowledge of U.S. payroll process, tax regulations, labor laws, and garnishment procedures.
Familiarity with Dayforce and SAP SuccessFactors is required.
Bilingual fluency in English and Spanish is preferred.
Experience In General
Minimum 5 years of experience in payroll, preferably in a manufacturing or industrial environment.
Demonstrated experience analyzing payroll data, reconciling discrepancies, and performing audits.
Experience with benefits coordination, payroll imports, and employee support.
Proven ability to build and run reports from payroll systems (especially Dayforce).
Comfortable working in dynamic environments with occasional long hours or shifting priorities.
Technical Skills
Proficiency in Microsoft Office Suite, especially Excel (pivot tables, VLOOKUPs, formulas).
Strong analytical skills with the ability to interpret and communicate data clearly.
Working knowledge of payroll tax reporting, garnishment processing, and withholdings.
Ability to audit payroll data for accuracy and compliance.
Familiarity with payroll system interfaces and troubleshooting.
Competencies, Behavioral Skills
Excellent communication skills and collaboration at all levels.
Detail-oriented with strong organizational and problem-solving skills.
Demonstrates accountability, business insight, and sound judgment.
Flexible, responsive, and adaptable in a high-volume, fast-paced environment.
Team-oriented mindset with a proactive, solution-focused approach.
Compensation & Benefits
Medical, dental, and vision insurance.
Life and disability insurance.
401(k) retirement plan with a 3% company contribution and 100% match on first 6% employee contributions.
Paid time off and additional wellness, financial, and lifestyle benefits.
The annual base salary for this position typically ranges between $78,524 and $98,156. Additional discretionary annual bonus may be part of the total compensation package.
Diversity & Inclusion We believe diversity is perceiving difference; inclusion is valuing it. Everyone has a seat at our company table. Our employees bring unique selves to work daily, with a sense of belonging and contribution to our core values.
Seniority level Mid-Senior level
Employment type Full-time
Job function Human Resources
Industries Chemical Manufacturing, Plastics Manufacturing, Oil and Gas
Location Naperville, Illinois
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HR Shared Services Specialist
role at
INEOS Styrolution INEOS Styrolution is the world’s leading styrenics supplier, with a high-performing portfolio of styrene monomer, polystyrene, ABS and advanced styrenic products. With more than 90 years of innovation in materials science, INEOS Styrolution focuses on customer satisfaction and investments in technology that enable closed loop recyclability for styrenics while reducing carbon emissions. Operating 17 production sites in nine countries, the company employs approximately 3,000 people and had sales of €4.5 billion in 2023. More information: www.ineos-styrolution.com
Position Overview Location: Naperville, Illinois (although based in Aurora, Illinois for U.S. payroll processing, with potential support for Mexico payroll). This role supports U.S. payroll processing, system management (Dayforce and SAP SuccessFactors), and employee support.
What You Will Do
Process bi-weekly payroll accurately and on time, validate timesheets and prepare payroll imports.
Manage Dayforce Time & Attendance and Scheduling modules; ensure accurate data entry and resolve issues.
Reconcile payroll data and support accurate tax filings, garnishments, and benefits deductions.
Analyze discrepancies and resolve payroll issues proactively, identifying root causes and trends.
Assist new hires and exiting employees with benefit plan enrollments, change events, and related questions.
Support benefits administration with compliance of applicable laws and regulations and related reports.
Lead payroll audits and ensure compliance with internal controls and applicable legal and regulatory requirements.
Generate and analyze payroll reports, including labor cost, budget variances, and forecasting support.
Act as a subject matter expert for Mexico payroll, ensuring compliance with regional tax and labor laws.
Collaborate with HR, Finance, and IT to enhance payroll systems and drive process improvements.
Support employees across the region with payroll-related inquiries, providing bilingual assistance where applicable (Spanish preferred).
Foster effective communication with leadership and plant teams to ensure alignment and responsiveness.
Contribute to a culture of flexibility, teamwork, and accountability—especially during high-demand cycles.
What You Will Bring
Associate’s degree in Accounting, Business, or a related field required; Bachelor’s degree preferred or equivalent experience.
5+ years of payroll experience, ideally within a shared services or centralized payroll environment.
Knowledge of U.S. payroll process, tax regulations, labor laws, and garnishment procedures.
Familiarity with Dayforce and SAP SuccessFactors is required.
Bilingual fluency in English and Spanish is preferred.
Experience In General
Minimum 5 years of experience in payroll, preferably in a manufacturing or industrial environment.
Demonstrated experience analyzing payroll data, reconciling discrepancies, and performing audits.
Experience with benefits coordination, payroll imports, and employee support.
Proven ability to build and run reports from payroll systems (especially Dayforce).
Comfortable working in dynamic environments with occasional long hours or shifting priorities.
Technical Skills
Proficiency in Microsoft Office Suite, especially Excel (pivot tables, VLOOKUPs, formulas).
Strong analytical skills with the ability to interpret and communicate data clearly.
Working knowledge of payroll tax reporting, garnishment processing, and withholdings.
Ability to audit payroll data for accuracy and compliance.
Familiarity with payroll system interfaces and troubleshooting.
Competencies, Behavioral Skills
Excellent communication skills and collaboration at all levels.
Detail-oriented with strong organizational and problem-solving skills.
Demonstrates accountability, business insight, and sound judgment.
Flexible, responsive, and adaptable in a high-volume, fast-paced environment.
Team-oriented mindset with a proactive, solution-focused approach.
Compensation & Benefits
Medical, dental, and vision insurance.
Life and disability insurance.
401(k) retirement plan with a 3% company contribution and 100% match on first 6% employee contributions.
Paid time off and additional wellness, financial, and lifestyle benefits.
The annual base salary for this position typically ranges between $78,524 and $98,156. Additional discretionary annual bonus may be part of the total compensation package.
Diversity & Inclusion We believe diversity is perceiving difference; inclusion is valuing it. Everyone has a seat at our company table. Our employees bring unique selves to work daily, with a sense of belonging and contribution to our core values.
Seniority level Mid-Senior level
Employment type Full-time
Job function Human Resources
Industries Chemical Manufacturing, Plastics Manufacturing, Oil and Gas
Location Naperville, Illinois
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