Lockbox Processor Jobs in Maryland (NOW HIRING)

Job Title: Cash Applications Accounts Receivable Specialist
Job Description
This role focuses on accurately applying customer payments, resolving unapplied cash, and supporting accounts receivable operations in a high-volume, growth-oriented environment. You will spend most of your time contacting customers to obtain remittance details for unapplied payments and the remainder processing virtual card payments, while contributing to continuous improvement of AR processes.
Responsibilities

• Receive and process customer payments in a timely and accurate manner.
• Apply payments to the correct invoices, ensuring all customer remittances are properly matched.
• Accurately apply lockbox deposits, checks, credit card payments, wire transfers, ACH payments, and other electronic payments to customer accounts.
• Research and resolve unapplied or misapplied payments and investigate discrepancies to ensure accurate cash application.
• Clean up unapplied payments by proactively conducting customer outreach to obtain remittance information and clarify payment details.
• Review and audit payment application work completed by team members to ensure accuracy and compliance with internal standards.
• Provide constructive feedback or corrections when inconsistencies or errors are identified in payment applications.
• Handle and post virtual credit card payments from customers, ensuring all relevant information is captured and recorded.
• Coordinate with internal and external stakeholders to confirm payment details and resolve issues related to cash application.
• Assist accounts receivable leadership with various assignments, including reporting, analysis, and process-related tasks.
• Provide administrative and analytical support for AR-related initiatives and projects.
• Respond promptly to internal and external inquiries regarding payment status, invoice details, and account reconciliations.
• Support system upgrades, data clean-up efforts, and other special projects related to accounts receivable and cash application.
• Participate in continuous improvement initiatives to enhance AR processes, efficiency, and accuracy.
• Maintain a high level of productivity and focus while processing a high volume of transactions and tasks.
• Demonstrate reliability, strong work ethic, and a commitment to completing tasks without leaving items unresolved.

Essential Skills

• 1-3 years of cash application or accounts receivable experience, or a Bachelor's Degree in Accounting, Finance, or a related field.
• 1+ years of accounts receivable, general accounting, or billing experience preferred, or a Bachelor's Degree in Accounting, Finance, or a related field.
• Strong understanding of cash application processes and invoice reconciliation.
• Proficiency in ERP systems used for accounting and accounts receivable functions.
• Proficiency with Microsoft Excel and Microsoft Office applications.
• Experience inputting information and applying payments to invoices, including managing unapplied payments stored in a shared drive.
• Experience working in a high-volume environment handling numerous transactions and tasks.
• Experience working in a mid to large revenue company.
• Ability to type at least 40 words per minute.
• Invoice processing and data entry skills with a high degree of accuracy.
• High attention to detail and strong accuracy in financial data entry and reconciliation.
• Ability to prioritize, multitask, and meet deadlines in a structured workday.
• Strong written and verbal communication skills to interact with customers and internal stakeholders.
• Ability to remain focused, dependable, and disciplined when handling repetitive or high-volume work.

Additional Skills & Qualifications

• Bachelor's Degree in Accounting, Finance, or a related field is highly valued and may substitute for direct AR experience.
• Exposure to collections processes or an interest in receiving further training in collections.
• Comfort working closely with senior leadership and executives in a family-oriented organization.
• Interest in contributing to process improvements and participating in continuous improvement initiatives.
• Strong work ethic and a results-driven mindset, with a willingness to handle demanding workloads.
• Ability to thrive in a collaborative, supportive team environment.
• Desire for long-term growth within the accounting or finance function.

Work Environment
This role is part of a sizable accounting team of approximately 50 people, working in a shared cubicle-style open area. The environment is fast-paced and high volume, requiring sustained focus and consistent productivity throughout the day. Team members use ERP systems, shared drives, and Microsoft Excel extensively to process payments, reconcile invoices, and manage accounts receivable data. The organization offers a flexible start time window, allowing employees to begin their day between 7:00 a.m. and 9:00 a.m., provided the chosen schedule remains consistent and an 8-hour workday is completed, with a 30-minute unpaid lunch break. The culture emphasizes strong work-life balance, flexibility, and a supportive, family-oriented atmosphere, with opportunities to interact directly with ownership and senior leadership. There is a strong focus on growth and internal promotion, with many contractors converting to full-time roles. The company regularly organizes office lunches and events to foster team connection. Hard work, reliability, and precision are core expectations, and the environment is best suited for individuals who are focused, not easily distracted, and committed to maintaining high standards of performance.
Job Type & Location
This is a Contract to Hire position based out of Bethesda, MD.
Pay and Benefits
The pay range for this position is $25.00 - $27.00/hr.
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 Bethesda,MD.
Application Deadline
This position is anticipated to close on Aug 10, 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 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.