Part-time Payroll Administrator

Job Description Job Description Job Title: Payroll Administrator (Part-Time, 20–25 hrs/week)
Location: Tulsa – Corporate Office
Pay: $25-29/hour

Overview
Trinity Employment is seeking a part-time Payroll Administrator to process payroll, maintain compliance, and support employees and management. This role requires strong attention to detail, accuracy, and experience with construction-industry payroll and certified payroll reporting.

Responsibilities
Process in-house payroll and assist with third-party payroll systems.
Ensure correct job costing, allocations, and compliance with project requirements.
Prepare and submit certified payroll for prevailing wage/public works.
Calculate wages, overtime, deductions, reimbursements, and special pay.
Prepare and reconcile federal/state payroll filings (940, 941, W-2, W-3).
Maintain compliance with wage laws and prevailing wage rules.
Respond to payroll, insurance, workers’ comp, and unemployment audits.
Maintain payroll files: I-9s, tax documents, direct deposits, status changes.
Manage employee data in payroll/HRIS systems with accuracy and confidentiality.
Assist with system updates and process improvements.
Administer and reconcile benefits and deductions (medical, dental, vision, 401k, garnishments).
Support employees with pay and deduction questions.
Work with HR, Accounting, and Project Management to ensure smooth payroll operations.
Required Experience
3+ years payroll experience; construction payroll strongly preferred.
Experience with in-house payroll and systems such as ADP, Paycom, or Paylocity.
Certified payroll platforms (LCP Tracker, eMars, government portals).
Experience with Davis Bacon wages
Multi-company payroll; 940/941/W-2 preparation; benefit reconciliation.
Maintaining payroll personnel files and confidential records.
Skills
Strong knowledge of federal/state payroll laws and prevailing wage rules.
Proficient in payroll/HRIS systems and Excel.
High accuracy, confidentiality, and problem-solving skills.
Ability to work in a fast-paced environment with competing deadlines.
Education
Associate or bachelor’s degree in Accounting, Business, or related field preferred.
Payroll certifications (FPC/CPP) a plus.

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