Billing Administrator

Overview

Sierra Lobo, offers customers a full range of professional and technical capabilities, including Test and Evaluation, Systems Engineering, and Advanced Technologies.  We also develop products and processes related to Cryogenic Fluid and Thermal Management Systems, Densified Propellant Management Systems, and Prototype Extreme Pressure and Temperature Systems.  Our customers include the Department of Defense (DoD), the U.S. Air Force, U.S. Navy, U.S. Army, Missile Defense Agency (MDA), and the National Aeronautics and Space Administration (NASA).

 

This position will be located at NASA’s Langley Research Center.                                                     

Responsibilities

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:

 

This position serves as the primary point of contact for all billing-related activities under the CMOE contract. Duties include, but are not limited to, preparing, reviewing, and submitting invoices; reconciling project accounts; maintaining financial records; and ensuring compliance with NASA billing requirements and company financial policies.

• 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.
• Bachelors 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:

 

-U.S. Citizenship required.

-Valid Real ID compliant identification – www.dhs.gov/real-id

-A valid driver’s license is required.

-Must be able to obtain and maintain a security clearance if required for this specific position.

-Must be able to work in a team atmosphere.

-Must put forward professional behavior that enhances productivity and promotes        teamwork and cooperation.

-Grooming and dress must be appropriate for the position and must not impose a safety/risk hazard to the employee or others.

-The work environment requires the ability to cooperate and work with individuals at all levels of the company and the client organization.

-Must be able to balance scope, schedule, and budget to ensure program success.

-Employees will exercise diligence when developing a Safe Plan of Action (SPA) for each task performed. Your SPA is a Company provided tool to be used for the prevention of incidents, accidents, and injuries; as such, it is the most important tool that you are required to use.