Payroll Specialist (Part-Time)

The Payroll Specialist (part-Time) position exists to ensure payroll and retirement operations are executed accurately, consistently, and on time across MDC and assigned client accounts. This role is the operational backbone of high-risk HR processes and maintains audit ready records, system hygiene, and procedures function as designed. The Specialist executes within established processes resolves routine requests independently, and escalates exceptions as appropriate to maintain compliance, accuracy, and trust. 

This is a part-time role scheduled for approximately 20 hours per week. A consistent weekly schedule will be established, with flexibility required to align with payroll processing timelines. 

Key Functions

• Execute end-to-end multi-state payroll processing activities on established schedules for MDC and assigned client accounts. 
• Validate, reconcile, and audit payroll reports, timesheets, leave, and earnings data for final payroll review and approval. 
• Resolve routine payroll, benefits, and HR data discrepancies within defined procedures and escalate exceptions as required. 
• Enter payroll-cycle changes, including employee status updates, pay adjustments, bonuses, and benefit related changes to ensure accurate set up and alignment across all systems prior to each payroll run.  
• Audit monthly benefits and retirement carrier invoices by reconciling employee deductions and employment contributions to payroll systems and records.  
• Execute retirement plan contribution calculations, file uploads, and data transmission to plan providers. 
• Support payroll system maintenance and implementation, including setup, testing, and validation tasks. 
• Troubleshoot routine payroll system issues and escalate configuration or compliance-related concerns. 
• Support employee payroll and benefits onboarding and offboarding activities. 
• Maintain accurate payroll and benefits records, calendars, and audit-ready documentation to support established deadlines and compliance requirements. 
• Document payroll and benefits processes and maintain SOPs and checklists. 

• 5+ years of experience with full ownership of end-to-end, multi-state payroll 
• Bachelor’s degree or equivalent professional experience 
• Certified Payroll Professional (CPP) preferred 
• Experience with Paylocity is a plus 

 Core Competencies 

• Payroll & Systems Accuracy: Maintains precision across multi-state preparation, reconciliations, and system execution. 
• Benefits & Retirement Administration: Executes benefit deductions, reconciliations, and retirement uploads accurately within established systems. 
• Process Discipline & Documentation: Follows established procedures and maintains clear, audit-ready documentation and SOPs. 
• Operational Judgment: Resolves routine issues independently and escalates exceptions appropriately. 
• Systems Fluency: Works confidently across payroll, HRIS, benefits, and retirement platforms. 
• Organization & Follow-Through: Maintains structured, auditable work and meets recurring deadlines. 
• Professional Communication: Communicates clearly with internal stakeholders, vendors, and clients as appropriate. 
• Confidentiality & Discretion: Handles sensitive employee and compensation information responsibly. 

Employment with MDC is on an at-will basis, meaning that either the employee or the company may terminate the employment relationship at any time, with or without cause or notice. MDC is committed to providing equal employment opportunities (EEO) to all employees and applicants without regard to race, color, religion, sex, national origin, age, disability, genetics, or any other characteristic protected by law. We comply with the Americans with Disabilities Act (ADA) and will consider reasonable accommodations necessary to enable individuals with disabilities to perform the essential functions of the job.