Billing Specialist

Job Title: Billing Specialist

Job Description

The Billing Specialist supports the accounts receivable function by accurately uploading, submitting, and tracking customer invoices through multiple P2P portals for multiple business entities. This role ensures invoices comply with customer requirements, resolves portal-related issues, and provides administrative and analytical support to billing and AR initiatives. The position is ideal for someone with billing or accounts receivable experience who enjoys working with multiple systems, maintaining high levels of accuracy, and collaborating with internal teams and customers in a fast-paced, growth-oriented environment.

Responsibilities

• Upload and submit customer invoices through various customer P2P portals for multiple business entities.

• Use platforms such as Nexus, Coupa, Vendor Café, Corrigo, AvidXchange, and additional government and commercial P2P portals to process invoices.

• Understand and follow customer-specific billing instructions to ensure accurate and compliant invoice submissions.

• Verify invoice data for accuracy and compliance with customer requirements prior to submission.

• Maintain an issues log to track invoice status, discrepancies, rejections, and resolution steps.

• Monitor invoice status within portals and follow up promptly on any discrepancies, rejections, or delays.

• Communicate effectively with internal teams to clarify billing details and resolve portal-related issues.

• Collaborate with customers to address inquiries, resolve billing concerns, and ensure smooth invoice processing.

• Assist with other accounts receivable and billing tasks as needed to support overall AR operations.

• Adhere to strict timelines and invoicing requirements to ensure timely billing and cash flow.

• Respond to client inquiries related to invoices, billing status, and portal submissions in a professional and timely manner.

• Provide administrative support for accounts receivable initiatives, including documentation, reporting, and data entry.

• Offer analytical support for AR-related initiatives by reviewing data, identifying trends, and suggesting process improvements.

Essential Skills

• At least 1 year of accounts receivable experience, ideally focused on billing.

• At least 1 year of non-medical billing experience.

• Hands-on experience with invoicing, invoice processing, and billing functions.

• Proficiency with an ERP system for billing or accounts receivable activities.

• Basic proficiency in Microsoft Excel for data entry, tracking, and reporting.

• Ability to utilize multiple software applications simultaneously while maintaining accuracy.

• Strong data entry skills with a high level of accuracy and attention to detail.

• Foundational knowledge of accounting and accounts receivable processes.

• Customer service experience, particularly in responding to client inquiries and resolving issues.

• Strong analytical skills with a focus on accuracy and compliance.

• Ability to quickly identify, troubleshoot, and resolve billing and portal-related issues.

• Strong verbal and written communication skills for interacting with internal teams and customers.

• Organizational skills to manage multiple tasks, portals, and deadlines in a fast-paced environment.

• Ability to handle sensitive financial and customer information with discretion and maintain confidentiality.

Additional Skills & Qualifications

• Bachelor's degree in Accounting, Finance, Business Administration, or a related field (preferred but not required).

• Experience working with P2P portals such as Nexus, Coupa, Vendor Café, Corrigo, and AvidXchange.

• Experience supporting multiple business entities within a single organization.

• Demonstrated ability to adhere to strict timelines and structured invoicing requirements.

• Comfort working in a highly collaborative environment with frequent interaction across teams.

• Interest in contributing to process improvements within billing and accounts receivable.

• Motivation to grow within an organization that promotes from within and supports career development.

Work Environment

This role is fully onsite five days per week in an office environment with an 8-hour workday and a 30-minute unpaid lunch break. Standard schedule options include either 9:00 a.m. to 5:00 p.m. or 8:00 a.m. to 4:00 p.m., provided the schedule remains consistent each day. The office layout features pit-style cubicles, so you will work in an open setting alongside colleagues and should be comfortable collaborating in a shared workspace. Free parking is available in a garage adjacent to the office, and the location is approximately three blocks from the Bethesda Metro, making it convenient for both drivers and public transit commuters. The company fosters a strong, family-oriented culture where leadership is actively involved in the business, offering regular interaction with owners and senior executives. The environment emphasizes work-life balance and flexibility, with frequent office lunches, company events, and a track record of converting contractors to full-time staff. The dress code aligns with a professional office setting appropriate for client-facing financial and administrative work.

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 $27.00 - $27.00/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 Bethesda,MD.

Application Deadline

This position is anticipated to close on Sep 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 View email address on click.appcast.io (%View email address on click.appcast.io) 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.