Accounts Receivable Specialist

Title:

Accounts Receivable Specialist

We are K

At K , we partner with clients to provide purposeful and comprehensive science, technology and engineering solutions to governments as well as the top tier commercial clients in green hydrogen and green ammonia. With a full portfolio of services, proprietary technologies and expertise, our approximately 37,000 employees are ready to handle projects and missions throughout their entire lifecycle, from planning and design to sustainability and maintenance.

Whether at the bottom of the ocean or in outer space, our clients trust us to deliver the impossible on a daily basis.

As the needs of the world change, we’re ready to respond and guide the way forward with strategic, sustainable, and technological advancements grounded in more than a century of practical application and execution.

K  is seeking an Accounts Receivable Specialist to join the Shared Services Accounts Receivable Department supporting Government Solutions-US (GSUS). This position supports the Accounts Receivable Submission & Reconciliation (S&R) team and is responsible for invoice submission, payment reconciliation, and cash collection activities for government and commercial customers.

The S&R team provides end-to-end accounts receivable support across GSUS. Working closely with billing analysts and cross-functional business operations teams, the Accounts Receivable Specialist ensures timely invoice submission through customer portals, performs invoice and project reconciliations, and supports payment resolution activities. This role plays a key part in optimizing cash flow, minimizing invoice rejections, reducing payment delays, and ensuring compliance with customer and contractual invoicing requirements.

• Process high-volume invoice submissions through government and commercial customer portals, including WAWF, IPP, Exostar, and other electronic invoicing systems.
• Perform detailed reconciliation of Defense Finance and Accounting Service (DFAS) payments against K  billings, including CLIN and ACRN allocation analysis.
• Partner with the AR Support Manager to complete reconciliation and accounts receivable activities requiring strong analytical, problem-solving, and attention-to-detail skills.
• Serve as a liaison between DFAS and internal billing teams to resolve invoice, payment, and reconciliation discrepancies.
• Support cash collection activities related to DFAS and other government customer invoices.
• Analyze invoice payment reports and perform project-level reconciliations to identify discrepancies, payment issues, or billing concerns.
• Prioritize and manage multiple tasks and deadlines while maintaining a high level of accuracy and customer service.
• Collaborate with billing analysts, program teams, and other business stakeholders to support timely invoice processing and payment collection.
• Research and resolve invoice rejections, payment delays, and customer inquiries to improve collections performance.
• Support continuous process improvement initiatives focused on enhancing efficiency, accuracy, and cash flow performance.

• Bachelor’s degree in Accounting, Finance, Business Administration; equivalent work experience may be considered in lieu of a degree.
• 3+ years of experience in accounts receivable, billing, invoicing, finance, or a related discipline.
• Experience supporting government contract invoicing and payment processes.
• Experience reconciling high-volume financial transactions and payment data.
• Must be a U.S. citizen.

• Experience using Deltek Costpoint 7.0 or later.
• Working knowledge of customer payment and invoicing portals such as WAWF, IPP, GSA, Exostar, Transcepta, or similar…