Billing Administrator

NASA enforces REAL ID requirements for all visitors and badge holders. Please visit to view a list of compliant documents. The successful candidate will join the Business Office team to support the Center Maintenance, Operations, and Engineering Contract (CMOE) located at NASA’s Langley Research Center (LaRC). This position reports directly to the Business Manager. All work will be performed with a high standard of quality and professionalism. All safety policies and procedures must be followed. Responsibilities: Prepare accurate and timely monthly invoices. Coordinate with project managers, task leads, and finance personnel to collect supporting documentation, labor details, and cost data. Review financial transactions for accuracy and resolve discrepancies. Maintain organized digital billing records, logs, spreadsheets, and audit‑ready documentation. Track funding levels, monitor obligated amounts, and alert management of potential shortfalls. Assist with financial reporting, forecasting, and data analysis as needed. Respond to customer and internal inquiries regarding billing status, corrections, or documentation needs. Support process improvements to streamline billing workflows and strengthen internal controls. Communicate effectively with internal and external stakeholders to ensure billing expectations and deadlines are met. Perform vendor and financial entries into the financial system as required. Qualifications: U.S. Citizenship required. Bachelor’s degree in Business Administration, Accounting, Finance, or a related field preferred; additional experience may be substituted for education. Minimum of four (4) years of experience in billing, accounting, finance, or contract administration. Strong understanding of invoicing processes, financial documentation, and account reconciliation. Proficiency in Microsoft Excel and other business systems; experience with ERP or financial management software preferred. Ability to interpret contract requirements, financial data, and cost structures. Strong written and verbal communication skills. Must be detail‑oriented, organized, and capable of managing multiple deadlines simultaneously. Experience supporting government contracts or NASA environments is a plus. Essential Functions: Work Environment Office Environment (90%) – Work is primarily conducted in a standard office setting using computers, phones, and other office equipment. Possible exposure to operational or industrial areas depending on meetings or document collection needs (10%). Appropriate safety procedures must be followed in all environments. May have to work from home periodically or for a duration of time as directed by the Business Manager. Physical Requirements Must be able to sit, stand, bend, and work for extended periods at a computer workstation. Must be able to lift up to 20 lbs. when handling files, records, or office materials. Periodic walking between facilities may be required. Equipment and Machines Standard office equipment including computer, telephone, copier, printer, and scanner. Software includes Microsoft Office Suite (Word, Excel, Outlook), SharePoint, and financial/billing systems. Attendance Regular attendance mandatory (100%). Occasional overtime or work outside the normal schedule may be required to meet billing deadlines, month‑end close, or audit requests. Must be available via company‑provided communication devices during working hours. Other Essential Functions: Valid Real ID compliant identification – A valid driver’s license is required. Must be able to obtain and maintain a security clearance if required. Must be able to work both independently and as part of a collaborative team. Must put forward professional behavior that enhances productivity and promotes teamwork and cooperation. Must maintain appropriate grooming and dress for a professional office environment. Must be able to work effectively with individuals at all levels of the company and client organization. Employees must exercise diligence in developing Safe Plans of Action (SPA) when tasks require them. Compensation Details: 60,000 The compensation range or hourly rate listed for this position is provided as a good‑faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws. Benefits Overview: Health, dental, and vision insurance Paid time off and holidays Retirement benefits (including 401(k) matching) Educational reimbursement Parental leave Employee stock purchase plan Tax‑saving options Disability and life insurance Pet insurance Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara‑O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits. Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low‑income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. 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