Billing Jobs in Reston, VA (NOW HIRING)

Billing Specialist
Job Description
The Billing Specialist manages the end-to-end process of uploading, submitting, and tracking customer invoices through multiple P2P portals for multiple business entities. This role ensures invoices are accurate, compliant with customer requirements, and submitted within strict timelines while supporting broader accounts receivable initiatives. The position suits someone who enjoys working with financial data, collaborating with internal teams and customers, and using various software tools 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 P2P portals for government and commercial customers.
• Review and understand customer billing instructions to ensure all invoices meet specific customer requirements.
• Verify invoice data for accuracy and compliance before submission to prevent errors and rejections.
• Maintain and update an issues log to track billing and portal-related problems and resolutions.
• Monitor invoice status within portals, proactively track progress, and follow up on discrepancies, rejections, or delays.
• Communicate with internal teams to gather missing information, clarify billing details, and resolve issues impacting invoice submission.
• Collaborate with customers to resolve portal-related issues and address inquiries regarding billing and invoice status.
• Assist with other accounts receivable and billing tasks as needed to support the AR function.
• Provide administrative and analytical support for accounts receivable-related initiatives and process improvements.
• Respond promptly and professionally to client inquiries related to billing and invoicing.
• Adhere to strict invoicing timelines and customer-specific requirements to support timely collections and cash flow.
• Utilize multiple software systems simultaneously, including ERP tools and Microsoft Excel, to manage billing activities efficiently.

Essential Skills

• At least 1 year of accounts receivable experience, ideally with a focus 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 and accounts receivable activities.
• Basic proficiency in Microsoft Excel for tracking, analyzing, and managing billing data.
• Ability to utilize multiple software applications at the same time while maintaining accuracy and efficiency.
• Strong data entry skills with a high level of accuracy and attention to detail.
• Foundational knowledge of accounting and accounts receivable processes.
• Customer service skills with the ability to respond effectively to client inquiries.
• Strong analytical skills with a focus on accuracy and detail in financial data.
• Ability to quickly identify, troubleshoot, and resolve billing issues.
• Strong verbal and written communication skills for interacting with internal teams and customers.
• Organizational skills with the ability to manage multiple tasks and meet 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 customer P2P portals such as Nexus, Coupa, Vendor Café, Corrigo, AvidXchange, and similar platforms.
• Experience supporting multiple business entities within a shared services or centralized billing environment.
• Interest in professional growth within billing and accounts receivable functions.
• Comfort working in a collaborative, team-oriented office setting.

Work Environment
This is a fully onsite role, working 5 days per week in an office environment. The standard workday is 8 hours with a 30-minute unpaid lunch break. Employees may choose a consistent schedule of either 9:00 a.m. to 5:00 p.m. or 8:00 a.m. to 4:00 p.m., as long as the schedule remains the same each day.
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 7, 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.