Part Time Payroll Analyst

Part-Time Payroll Specialist / Payroll Analyst

Looking for a part-time payroll opportunity where your experience can make an immediate impact?

If you know payroll, enjoy solving discrepancies, and take pride in getting every detail right, this could be a great fit. Were looking for an experienced Payroll Specialist / Payroll Analyst to join the team on a part-time contract basis and provide critical support during a high-volume period. This is an excellent opportunity for someone who enjoys hands-on payroll work, complex calculations, and working with Kronos, UKG or Ultipro.

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Why Youll Want to Consider This Role

- Part-time schedule with predictable weekly hours
- Monday and Tuesday required , either Wednesday OR Thursday plus 4 hours on Friday
- Flexible start times within agreed-upon parameters
- Opportunity to put your payroll expertise to work immediately
- Hands-on exposure to complex payroll, timekeeping, reporting, and reconciliation
- Collaborative environment working with Payroll, HR, Finance, and internal teams
- Contract opportunity ideal for an experienced payroll professional looking for part-time work

What Youll Be Doing

- Process payroll for hourly and salaried employees accurately and on time.
- Review and reconcile payroll information, including overtime, shift differentials, bonuses, deductions, and pay adjustments .
- Audit timekeeping records and investigate discrepancies involving hours, rates, differential pay, and other earnings.
- Ensure payroll practices meet company policies and applicable wage and hour requirements.
- Research and resolve payroll discrepancies while responding to employee and management questions.
- Assist with payroll reporting, reconciliations, audits, tax and deduction reviews, and payroll accounting activities.
- Maintain accurate payroll records and supporting documentation.
- Partner with HR, Finance, and other internal teams to meet payroll deadlines.
- Use payroll and timekeeping systems along with Microsoft Excel for data entry, analysis, reconciliation, and reporting.
- Provide additional payroll team coverage during this high-volume contract period.
- Support payroll projects and process improvements that increase accuracy and efficiency.

What Were Looking For

- Proven payroll processing experience in a fast-paced, high-volume environment .
- Strong working knowledge of payroll procedures, compliance, and wage and hour practices.
- Experience calculating overtime, shift differentials, and other complex pay elements .
- Strong attention to detail and the ability to work accurately with sensitive payroll information.
- Ability to independently prioritize work and meet strict payroll deadlines.
- Strong problem-solving skills with experience researching and correcting payroll discrepancies.
- Experience with timekeeping/time and attendance systems such as Kronos .
- Experience with payroll platforms such as Kronos, UKG or Ultipro.
- Proficiency with Microsoft Excel , including formulas and pivot tables.
- Strong communication and customer service skills when working with employees and internal stakeholders.
- Familiarity with payroll taxes, deductions, payroll accounting, audits, and reconciliations.

Additional Experience That Will Help You Stand Out

- Payroll experience supporting multiple shifts and varying pay rates .
- Experience working with complex timekeeping and attendance data.
- Experience with ADP Workforce Now, Kronos, PeopleSoft, SAP, or Oracle .
- Payroll reporting and data analysis experience.
- Advanced Microsoft Excel skills.
- Exposure to HR processes involving payroll, timekeeping, and employee data.
- Experience with payroll tax processing and payroll accounting.

Work Schedule & Environment

This is a part-time contract position supporting the payroll team during a high-volume period. Schedule:

- Monday: Required
- Tuesday: Required
- Wednesday OR Thursday : One Day Required
- Friday: 4 hours
- Start times: Flexible within agreed-upon parameters

Youll work in a professional office or hybrid environment using payroll systems, time and attendance technology, and Microsoft Excel. The team is highly focused on accuracy, confidentiality, compliance, and meeting payroll deadlines .

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If payroll is your specialty and youre looking for a flexible, part-time opportunity where you can jump in and contribute right away, wed love to hear from you.

Job Type & Location This is a Contract to Hire position based out of Modesto, CA.
Pay and Benefits
The pay range for this position is $35.00 - $40.00/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 remote position.
Application Deadline
This position is anticipated to close on Oct 9, 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 [email protected] 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.