[Hiring] Billing Specialist REMOTE USA
Position: Billing Specialist
Date Posted: August 24, 2025
Industry: Finance / Accounting / Government Contracting
Employment Type: Full Time
Experience: 3+ years
Qualification: High School Diploma required; Bachelor’s degree preferred
Location: Reston, VA, United States / REMOTE
Company: Sentrillion
Description:
Position Summary
Sentrillion is seeking a detail-oriented Billing Specialist to manage the day-to-day administration of direct projects, project billing, and monthly reporting. This role ensures accurate financial tracking and compliance across multiple projects, supporting the organization’s mission and operational efficiency.
Essential Duties and Responsibilities
• Prepare, process, and submit compliant invoices, coordinating with customers to ensure timely payments
• Maintain project billing status reports and routine Accounts Receivable tracking
• Review unit billing accounts monthly and prepare Unit Entries
• Accumulate, validate, and review all project costs according to company-defined cost structures
• Administer tasks in the cost accounting system, including project and workforce setup and maintenance
• Maintain data and document integrity in the cost accounting and departmental filing systems
• Apply GAAP, Cost Accounting Standards, and Cost Principles to ensure compliant cost structures
• Reconcile project funding and costs to produce financial reports
• Reconcile project expenditures and employee expense claims in accordance with contracts, cost principles, and company policies
• Identify opportunities for process improvement and support implementation of approved enhancements
• Communicate regularly with department staff, project management, and project support functions
Competencies
• Job Knowledge: Competent in required skills, quick to learn new applications, understands job interdependencies
• Multitasking: Handles multiple tasks, adapts to shifting priorities, meets deadlines, minimizes errors
• Organizational Support: Follows procedures, completes administrative tasks accurately, supports organizational goals
• Planning & Organization: Integrates changes, prioritizes work, sets objectives, uses time efficiently
• Problem Solving: Develops solutions, analyzes information, resolves problems early, collaborates in group problem-solving
• Teamwork: Balances team and individual responsibilities, provides and receives feedback, contributes to a positive team spirit
• Use of Technology: Adapts to new technologies, maintains technical skills, troubleshoots problems, increases productivity through technology
Qualifications
• High school diploma or equivalent required; Bachelor’s degree preferred
• 3+ years of experience in finance or accounting within a U.S. federal contractor environment
• Knowledge of U.S. federal acquisition regulations (FAR), government award documents, and public procurement procedures
• Ability to read, analyze, and interpret complex documents and respond to sensitive inquiries
• Strong mathematical ability including fractions, percentages, ratios, and statistical concepts
• Strong reasoning skills to define problems, collect data, and draw conclusions
• Proficiency with Microsoft 365 (Excel, Word, etc.), SharePoint, Adobe Professional, Deltek Costpoint ERP, and government invoicing portals (WAWF/IPP)
Supervisory Responsibilities
• This role has no supervisory responsibilities
Work Environment
• Primarily work-from-home with occasional office visits
• Self-motivated and able to work collaboratively in a fast-paced environment
• Ability to adapt to shifting priorities and maintain a positive attitude
Physical Demands
• Regularly required to sit, stand, walk, use hands and fingers, talk, and hear
• Occasionally lift/move up to 15 pounds
• Close vision required
Sentrillion is an EEO Employer / Protected Vet / Disabled
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