Payroll Administrator

Job Title: Payroll Administrator

Job Description

We are seeking a detail-oriented and experienced Payroll Administrator to join our team. This role will be responsible for processing payroll for up to 1,200 employees across multiple pay groups while ensuring accuracy, compliance, and timely payroll execution. The ideal candidate will have hands-on experience with ADP payroll systems, strong Microsoft Excel skills, and the ability to analyze and reconcile payroll data efficiently.

Key Responsibilities

Process weekly, bi-weekly, and/or semi-monthly payroll for up to 1,200 employees.

Maintain and manage employee payroll records within ADP Workforce Now or related ADP platforms.

Review payroll data for accuracy, including wages, deductions, taxes, garnishments, benefits, and timekeeping information.

Audit payroll changes such as new hires, terminations, promotions, pay rate adjustments, and bonuses.

Reconcile payroll discrepancies and resolve employee payroll inquiries in a timely manner.

Prepare and maintain payroll reports for management, finance, and auditing purposes.

Ensure compliance with federal, state, and local payroll tax regulations.

Process wage garnishments, child support orders, and other involuntary deductions.

Partner with Human Resources and Accounting to ensure accurate employee data and payroll reporting.

Support payroll audits and year-end activities, including W-2 processing.

Analyze large data sets using Excel and develop reports to identify trends, discrepancies, and process improvements.

Maintain confidentiality of sensitive employee and payroll information.

Essential Skills

• High School diploma or GED from an accredited institution.

• Minimum of three years of experience in a payroll function with a corporation having a payroll size greater than 1,200 employees, including multi-state payroll.

• Extensive knowledge of ADP or another payroll software tool.

• Strong understanding of federal, state, and local tax laws and regulations, including wage and hour laws, state unemployment insurance (SUI), and reciprocity agreements between states.

• Proficient at MS Office, with advanced Excel skills including formulas, pivot tables, and VLOOKUP.

• Exceptional accuracy in data entry and calculations to avoid costly errors and compliance issues.

• Ability to research, analyze, and resolve complex payroll discrepancies and issues across different state regulations.

Additional Skills & Qualifications

• Experience with payroll accounting and data entry.

• Ability to contribute to team efforts and accomplish related tasks as needed.

Job Type & Location

This is a Contract to Hire position based out of Oak Creek, WI.

Pay and Benefits

The pay range for this position is $28.85 - $38.46/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a fully onsite position in Oak Creek,WI.

Application Deadline

This position is anticipated to close on Sep 4, 2026.

About Aston Carter

Aston Carter provides world-class corporate talent solutions to thousands of clients across the globe. Specialized in accounting, finance, human resources, talent acquisition, procurement, supply chain and select administrative professions, we extend the capabilities of industry-leading companies. We draw on our deep recruiting expertise and expansive network to meet the evolving needs of our clients and talent community with agility and excellence. With offices across the U.S., Canada, Asia Pacific and Europe, Aston Carter serves many of the Fortune 500. We are proud to be a ClearlyRated Best of Staffing® Platinum Award winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email View email address on click.appcast.io (%View email address on click.appcast.io) for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.