Job Title: Sr. Payroll Administrator / Payables Administrator (Accounts Payable 3)
Job Description
The Sr. Payroll Administrator / Payables Administrator manages end-to-end payroll and accounts payable processes for a mid- to large-sized employee population in an on-site environment. This role oversees weekly and bi-weekly payroll for approximately 140 employees, including union and non-union staff, ensuring accurate and timely payments, proper handling of benefits and deductions, and compliance with statutory requirements. The position also supports accounts payable activities across a portfolio of properties, including invoice processing, arrears monitoring, and reporting, with opportunities for the role to transition from temporary to permanent employment based on performance and fit.
Responsibilities
Administer day-to-day ADP payroll operations for approximately 140 employees, including union and non-union staff, ensuring accurate and timely weekly and bi-weekly payroll processing.
Run and review ADP Workforce Now reports to confirm all time data, including time off, overtime, and pre-paid vacation, is entered, submitted, and approved prior to payroll cutoffs.
Collaborate with employees, managers, and client contacts to ensure timely and accurate time reporting, and troubleshoot time reporting issues as they arise.
Work in coordination with the ADP payroll team, Operations, Union Administration teams, and client stakeholders on matters such as absences, disability leaves, and returns to work.
Ensure accurate synchronization and administration of benefits, union dues, and other payroll-related matters for Union Local 94 and Local 32BJ employees, maintaining high levels of detail, accuracy, and speed.
Onboard new employees into ADP Workforce Now, ensuring correct setup of payroll, benefits, and deductions.
Code and process invoices through the NEXUS payable system, ensuring proper approvals and accurate entry.
Review and understand purchase orders and assist with funding draws to support property and operational needs.
Monitor arrears across assigned accounts, initiate and manage collection efforts, and maintain accurate records of collection activities.
Prepare detailed arrears reports for clients and participate in monthly client calls to review and discuss outstanding items and collection status.
Interpret and explain time reporting policies and procedures to employees and managers, providing guidance and clarification as needed.
Seek policy and procedural clarifications from appropriate internal or external sources to ensure compliant and consistent payroll and payables practices.
Support payroll tax, union benefits, and union payroll requirements, ensuring proper setup, calculation, and reporting.
Assist with coding and processing Workers' Compensation filings, FMLA, short-term and long-term disability, 401(k), pension deductions, and union dues and filings.
Perform accounts payable and receivable processing and work order processing as needed to support the accounting function.
Collaborate with the Director of Operations, Portfolio Managers, Accounting Supervisor, HR, and other team members to provide responsive and accurate support.
Compose clear, well-written emails and communicate effectively both verbally and in writing to internal and external stakeholders.
Perform other job-related duties as assigned to support payroll, accounting, and property-related financial operations.
Essential Skills
5-10 years of experience in payroll administration and accounts payable in a mid- to large-company environment.
Proven experience processing weekly and bi-weekly payroll for a sizable employee population, including union and non-union staff.
Hands-on experience with ADP Workforce Now for payroll processing, reporting, and employee onboarding.
Experience working with union payroll, union benefits, and union dues administration, specifically for Local 32BJ and Local 94.
Strong proficiency with Workday for HR and payroll-related processes.
Experience using Yardi for accounting and property-related financial operations.
Proficiency with the NEXUS payable system for invoice coding and processing.
Solid knowledge of payroll taxes, benefits, and statutory filings, including Workers' Compensation, FMLA, STD/LTD, 401(k), and pension deductions.
Demonstrated ability to interpret and apply time reporting policies and procedures and to guide employees and managers on compliance.
Strong skills in accounts payable and receivable processing and work order processing.
High level of accuracy, attention to detail, and speed in handling payroll and financial data.
Excellent written and verbal communication skills, including the ability to craft clear, professional emails.
Ability to work on-site and collaborate effectively with operations, accounting, HR, and client teams.
College degree (bachelor's degree or equivalent) in accounting, finance, business, or a related field.
Additional Skills & Qualifications
Experience preparing arrears reports and presenting findings during monthly client calls.
Experience in property or asset services accounting environments is beneficial.
Strong Excel skills for data analysis, reporting, and reconciliation, and proficiency in Word for documentation and correspondence.
Ability to manage multiple deadlines, including payroll cutoffs and reporting timelines, while maintaining high accuracy.
Demonstrated sense of urgency and strong follow-through in resolving payroll and payables issues.
Comfort working with cross-functional teams, including operations, union administration, and HR.
Capability to adapt to evolving processes and perform additional job-related duties as needed.
Interest in a temp-to-perm opportunity with potential for long-term growth.
Work Environment
This is a fully on-site, in-office position, working five days per week in a professional office setting that supports payroll and accounting services for a portfolio of properties. The role involves frequent use of ADP Workforce Now, Workday, Yardi, NEXUS, Excel, and Word, with regular collaboration across operations, accounting, HR, and union administration teams. The environment is fast-paced and deadline-driven, particularly around weekly and bi-weekly payroll cutoffs and monthly client reporting cycles. Professional business attire is expected, and the culture emphasizes accuracy, responsiveness, clear communication, and strong teamwork. The position is structured as a temp-to-perm opportunity, offering the potential to transition into a full-time role based on performance and organizational needs.
Job Type & Location
This is a Contract position based out of New York, NY.
Pay and Benefits
The pay range for this position is $31.00 - $31.00/hr.
Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: - Medical, dental & vision - Critical Illness, Accident, and Hospital - 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available - Life Insurance (Voluntary Life & AD&D for the employee and dependents) - Short and long-term disability - Health Spending Account (HSA) - Transportation benefits - Employee Assistance Program - Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a fully onsite position in New York,NY.
Application Deadline
This position is anticipated to close on Sep 8, 2026.
About Aston Carter
Aston Carter provides world-class corporate talent solutions to thousands of clients across the globe. Specialized in accounting, finance, human resources, talent acquisition, procurement, supply chain and select administrative professions, we extend the capabilities of industry-leading companies. We draw on our deep recruiting expertise and expansive network to meet the evolving needs of our clients and talent community with agility and excellence. With offices across the U.S., Canada, Asia Pacific and Europe, Aston Carter serves many of the Fortune 500. We are proud to be a ClearlyRated Best of Staffing® Platinum Award winner for both client and talent service.
The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email astoncarteraccommodation@astoncarter.com (%20astoncarteraccommodation@astoncarter.com) for other accommodation options.
San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.
Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.
