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Billing Specialist

Sentrillion
$58,000 - $80,000 per year
life insurance, flexible benefit account, paid time off, 401(k)
United States, Virginia, Reston
Sep 22, 2025

Join Sentrillion as a Full-Time Billing Specialist and experience the excitement of contributing to our mission in the government finance industry from the comfort of your own home. This fully remote position offers a competitive salary ranging from $58,000 to $80,000, allowing you to balance your professional aspirations with personal commitments. Your expertise in Deltek/CostPoint will be instrumental in ensuring accurate project set up, managing JTR and FTR processes, and maintaining billing integrity using Excel. Embrace an innovative and forward-thinking work environment where your dedication to excellence in billing practices will be recognized. You will be provided great benefits such as Medical, Dental, Vision, 401(k), Life Insurance, Health Savings Account, Flexible Spending Account, Competitive Salary, Paid Time Off, and Employee Discounts. Apply now to be part of a high-performance team that values integrity and customer focus in every project we undertake.


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What would you do as a Billing Specialist

As a new Billing Specialist at Sentrillion, you will engage in a variety of daily tasks that ensure seamless financial operations in the Federal Government sector. Your day-to-day responsibilities will include efficiently setting up projects in Deltek/CostPoint, ensuring compliance with JTR and FTR regulations, and preparing accurate billing reports using Excel. You will collaborate closely with project managers to gather necessary information and maintain meticulous records to uphold our standards of integrity and excellence.

Additionally, you will be responsible for reviewing invoices and resolving any discrepancies, ensuring that all billing issues are addressed promptly. Expect to participate in continuous training and development opportunities that foster a customer-focused, high-performance culture. Your proactive approach to problem-solving will be essential as you navigate the complexities of federal billing processes and contribute to the success of our organization.


Does this sound like you?

To thrive as a Billing Specialist at Sentrillion, you will need a robust set of skills and qualifications. A high school diploma or equivalent is required, with a Bachelor's degree preferred to enhance your knowledge and capabilities. You should possess at least three years of experience in finance or accounting functions specifically supporting a U.S. federal contractor, along with a solid understanding of U.S. federal acquisition regulations (FAR) and government award documents.

Familiarity with public procurement strategies and procedures is essential for navigating the complexities of federal projects. Proficiency in Microsoft 365 applications is crucial, particularly in Excel, where you should be skilled in using functions such as VLOOKUP, SUMIF, XLOOKUP, and pivot tables. Experience with SharePoint for document management and proficient use of Adobe Professional for PDF editing will also play a key role in your daily tasks. In addition, familiarity with Deltek Costpoint ERP, especially its Projects domain, and government invoicing portals like WAWF/IPP for CLIN-level invoice entry are vital for success in this position.

Knowledge and skills required for the position are:



  • High school diploma or equivalent required. Bachelor's degree preferred.
  • Three years of experience in a finance or accounting function in support of a U.S. federal contractor. Knowledge of U.S. federal acquisition regulations (FAR) and government award documents. Familiar with public procurement strategy and procedures. Proficient with Microsoft 365 applications with heavy focus on Microsoft Excel and its basic functions (e.g. VLOOKUP, SUMIF, XLOOKUP, pivot tables).
  • Proficient with SharePoint (Navigation and document uploading sharing and downloading). Proficient with Adobe Professional (Edit PDF
  • combine files and organize pages) Proficient with Deltek Costpoint ERP including a minimum of 3 years' experience with its Projects domain. Proficient with government invoicing portals (WAWF/IPP) (CLIN level invoice entry and upload).


Ready to join our team?

If you think this job is a fit for what you are looking for, great! We're excited to meet you!

Sentrillion is an EEO Employer / Protected Vet / Disabled



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