Senior Payroll Administrator

Reliable Heating & Air • Kennesaw, Georgia • Full Time

Posted on Tue, Jun 9, 2026

Come work for the Nation’s #1 Trane Dealer, Reliable Heating & Air, serving the greater Atlanta area since 1978! We are one of the fastest growing home service companies in the Southeast, with three locations in metro-Atlanta, over 300 team members and over 200 trucks on the road every day! We offer competitive salaries, training and development, opportunities to grow and full benefit packages. Apply now for an opportunity to join the team today!

Summary

The Senior Payroll Administrator manages the entire day to day payroll process for 300+ team members, works closely with HR and other business partners on payroll-related matters. The Administration is responsible for resolving all payroll issues, prepares and reports on commissions, spiffs, works with the benefits team, and coordinates requests with internal and external auditors. In addition, this role will oversee the administration of the Company’s 401(k), Flexible Spending Accounts (FSA) and Health Savings Account (HSA) plans.

Responsibilities

Manage the process for bi-weekly payrolls with a high degree of accuracy and timeliness
Process off-cycle, prior quarter adjustments and manual checks, as needed
Manage validation table, deduction and earnings code set up in ADP
Assists with ADP questions/issues via email, TEAMS, or other methods in a timely fashion
Create weekly, bi-weekly, monthly and quarterly reports in ADP
Properly set up and register for processing payroll in different states based on TM residence
Perform Year-End payroll processing (reconciliation, W2s, 1095-C, quarterly adjustments, etc.)
Produce payroll and compliance details for internal and external auditors
Works closely with Managers and internal business partners on payroll matters
Assist with Payroll overview in New Hire Orientation and train newly hired managers on their payroll responsibilities
Create and upload payroll related journal entries into Accounting system
Report all taxes and ensures compliance with federal, state, and local payroll, wage/hour laws and best practices
Process VOEs, Garnishments, Income Deduct orders and manage the remittance process
Balance the payroll accounts by resolving payroll discrepancies
Identify and recommend updates to payroll processing software, systems, and procedures
Conduct monthly payroll and insurance vendor reconciliations
Compile time, production, and payroll data from time sheets and other records
Issue and record adjustments to pay related to previous errors or retroactive increases
Track leave time, such as vacation, personal, and sick leave – benefit deductions in arrears
Assists accounting with tax payments, 941s and GL ledger reports
Ensure that computing, withholding, and deductions are set up correctly in ADP
Process and track employee reimbursements and tool/purchase repay program
Administer 401(k) plan and employer match in compliance with plan document
Manage 401(k), HSA and FSA changes, participation, employer contributions, reconciliation, escalations, and bi-weekly funding
Manage 401(k) & Worker's Comp annual audits, compliance testing and plan administration
Perform other duties as assigned

Qualifications

5 + years of relevant experience required
Experience with ADP Workforce Now required
Basic knowledge of general accounting (debits, credits, journal entries, reconciliations) required
Knowledge of 401(k) and Health Savings Account (HSA) administration
Full cycle payroll experience
Strong attention to detail
Excellent communication skills, both written and verbal.
Excellent organization skills and attention to detail.
Proficient in Microsoft Office Suite, especially, Excel (VLOOKUP’s, Pivot Tables, etc.)
Problem-solving, time management skills with the ability to multitask and prioritize.
Team player, but also self-sufficient.

Please note that any offer of employment is conditional upon successful completion of a background check, drug screen, and motor vehicle record review (as applicable).

Reliable is proud to be an equal opportunity employer, celebrating diversity and creating an inclusive environment for all employees. We do not discriminate in our employment practices based on race, color, religion, sex, sexual orientation, gender identity or expression, age, national origin, disability, genetic information, pregnancy or related condition, marital status, military or veteran status or any other basis protected by federal, state, or local law.

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