Billing Specialist I

Company Overview

Amentum is a global leader in integrated mission services, providing extensive training, logistics, operations, and maintenance support to the U.S. Government and its allies worldwide. With a workforce of approximately 44,000 employees across over 80 countries, Amentum supports some of the most important and challenging missions on the planet.

Job Summary

The company is seeking a Billing Support Analyst to assist with international program billing activities.

Key Responsibilities

• Assemble comprehensive invoice packages, ensuring all necessary documentation and backups align with established policies and procedures.
• Manage and reconcile labor postings tied to time and materials billing.
• Create correcting journal entries related to billing transactions.
• Determine billable versus non-billable costs per program guidelines.
• Verify the accuracy of system transactions related to billing.
• Conduct research on historical transactions for billing purposes.
• Perform detailed analyses of unbilled amounts and accounts receivable aging.
• Maintain accurate records and track invoice progress.
• Coordinate with field and US-based teams regarding invoice and cost statuses.
• Promptly address and rectify invoice rejections.
• Monitor and review contract funding allocations.
• Respond to audit inquiries as needed.
• Verify, allocate costs to, and process subcontract invoices.
• Perform additional program accounting and billing tasks as assigned.

Qualifications

• Bachelor’s degree in Accounting, Finance, or Business Administration.
• Three to five or more years of experience in accounting or finance roles.
• Minimum two years specifically performing accounting functions.

Skills and Abilities

• Proficient in English communication, both written and spoken.
• Strong university-level mathematical skills.
• Analytical thinker with capacity to define problems, gather and analyze data, establish facts, and suggest solutions.
• Sound judgment and ability to make decisions independently.
• Advanced proficiency with Microsoft Office tools, particularly Excel and Word.
• Experienced in documenting and following processes accurately.
• Meticulous attention to detail with strong analytical aptitude.
• Familiarity with Microsoft Dynamics; experience using Cost Point is advantageous.