Part-time Payroll Administrator

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 ourAffirmative Action Policy (https://emcorgroup.icims.com/icims2/servlet/icims2?module=AppInert&action=download&id=129411&hashed=-1150243539) .

Notice to Prospective Employees

Notice to prospective employees: There have been fraudulent postings and emails regarding job openings. EMCOR Group and its companieslist open positions here (https://careers-emcorgroup.icims.com/) . 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.

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Job Locations US-WI-Oshkosh | US-WI-Appleton | US-WI-Fond du Lac | US-WI-Neenah

ID 2026-52760

Company ECM Holding Group, Inc.

Category Human Resources

Position Type Part-Time

Location Type Onsite

Posted Date (10/1/2026 11:49 AM)