Part-time Payroll Administrator
EMCOR Group • Oshkosh, Wisconsin • Part Time
Posted on Fri, Oct 2, 2026
About Us We are a cleantech contractor that provides comprehensive energy efficiency services for energy service companies (ESCOs) and corporate clients. Our services are provided by six specialized units focused on weatherization, water efficiency engineering, lighting, airflow controls, HVAC, and infrastructure solutions. Job Summary We are looking for a Part-Time Payroll Administrator to manage payroll processing, employee payroll records, and compliance reporting. The ideal candidate is highly organized, detail-oriented, and committed to ensuring accurate and timely payroll for all employees. Working hours are Tuesday through Thursday, 20-24 hours per week, with additional hours as needed. Essential Duties & Responsibilities Process weekly field payroll and biweekly office payroll accurately and on time. Calculate employee earnings, deductions, benefits, commissions, bonuses, and other payroll adjustments. Maintain accurate and confidential payroll records. Process weekly employee benefit changes and payroll deductions. Monitor and ensure compliance with Davis-Bacon and prevailing wage requirements. Prepare and submit Certified Payroll reports as required. Verify accurate payment of per diem and travel time. Prepare and file quarterly and annual withholding tax returns in multiple jurisdictions. Prepare and file quarterly and annual unemployment tax returns in multiple jurisdictions. Assist with payroll and benefit audits and compliance reporting. Perform other duties as assigned. Qualifications 2+ years of payroll experience preferred. Experience with ADP is preferred. Experience with multi-state payroll is preferred. Attention to detail, organization, and good time management skills are necessary to be successful in this position. #ecm Equal Opportunity Employer As a leading provider of mechanicaland electrical construction, facilities services, and energy infrastructure,we offer employess a competitive salary and benefits package and we are always looking for individuals with the talent and skills required to contribute to our continued growth and sucess. Equal Oppurtunity Employer/Veterans/Disabled. Affirmative Action Policy Please review our Affirmative Action Policy. Notice to Prospective Employees Notice to prospective employees: There have been fraudulent postings and emails regarding job openings. EMCOR Group and its companies list open positions here. Please check our available positions to confirm that a post or email is genuine. EMCOR Group and its companies do not reach out to individuals to help with marketing or other similar services. If an individual is contacted for services outside of EMCOR’s normal application process – it is probably fraudulent.Process weekly field payroll and biweekly office payroll accurately and on time. Calculate employee earnings, deductions, benefits, commissions, bonuses, and other payroll adjustments. Maintain accurate and confidential payroll records. Process weekly employee benefit changes and payroll deductions. Monitor and ensure compliance with Davis-Bacon and prevailing wage requirements. Prepare and submit Certified Payroll reports as required. Verify accurate payment of per diem and travel time. Prepare and file quarterly and annual withholding tax returns in multiple jurisdictions. Prepare and file quarterly and annual unemployment tax returns in multiple jurisdictions. Assist with payroll and benefit audits and compliance reporting. Perform other duties as assigned.2+ years of payroll experience preferred. Experience with ADP is preferred. Experience with multi-state payroll is preferred. Attention to detail, organization, and good time management skills are necessary to be successful in this position. #ecm
AuditFriendly salary estimate
The employer did not post a salary for this role. Based on AuditFriendly's salary intelligence model (comparable live postings, role, seniority, and location), we estimate base pay of $58,000–$79,000 per year (median ~$69,000). This is an AuditFriendly estimate, not an employer-provided figure.
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What the data says about this job
- Advertised pay for Payroll Administrator: a median of $61,360 across 633 priced postings. Explore the market
Measured from employers' own postings and public filings. How we measure