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Senior Billing Specialist

Vienna, Virginia, United States

For more than 50 years, ENSCO has been providing leading-edge engineering, science and advanced technology solutions to governments and private industries worldwide.

ENSCO prides itself in creating and applying advanced technologies for mission success. We provide systems engineering, integration, and advanced technology services to transform the future safety, security, and resiliency of critical missions on the ground, in the air, in space, and in the information systems that connect these domains.

Learn more about ENSCO.

Position Description

We are seeking an experienced Sr. Billing Specialist to join our Finance team and support billing, accounts receivable and collections activities for U.S. Government and commercial contracts.

The ideal candidate will have hands-on experience with government contract billing, accounts receivable, collections, FAR, CAS, contract types, indirect rates and unbilled revenue recognition. The successful candidate will be highly detail-oriented and comfortable working across Finance, Contracts, Program Management, and government and commercial customers.

Key Responsibilities

Government and Commercial Contract Billing

  • Prepare, review, and submit accurate and timely invoices for U.S. Government contracts.
  • Manage billing for Time & Materials (T&M), Firm-Fixed-Price (FFP), Cost-Plus, IDIQ, and other government contract types.
  • Review contracts, modifications, funding, CLINs, Schedules, and contractual billing requirements.
  • Apply working knowledge of Federal Acquisition Regulation (FAR) as applicable.
  • Reconcile labor, subcontractor, ODC, and other billable costs to contract requirements.
  • Monitor contract funding, ceilings, billing limitations, and invoice status.
  • Resolve invoice discrepancies, rejected invoices, and customer billing questions.

Accounts Receivable & Collections

  • Manage assigned accounts receivable portfolio and monitor outstanding government and commercial receivables.
  • Perform timely collections activities through email, telephone, and other appropriate customer communications.
  • Monitor aging reports and proactively follow up on past-due invoices.
  • Investigate and resolve payment delays, invoice disputes, short payments, and customer account discrepancies.
  • Maintain accurate customer account records and document collection activities.
  • Reconcile customer accounts, cash receipts, credits, and outstanding balances.
  • Coordinate with Billing, Contracts, Accounting, Program Managers, and customers to resolve collection issues.
  • Escalate delinquent accounts and significant disputes to management as appropriate.
  • Assist with cash application and ensure payments are properly applied to invoices.
  • Track collection performance and identify trends or recurring billing issues that may impact cash flow.

Qualifications Required:

  • Bachelor's degree in Accounting, Finance, Business, or 5+ years of equivalent experience.
  • 3+ years of experience in billing, accounts receivable, collections and project accounting.
  • Experience supporting U.S. Government and Commercial contracts.
  • Experience with Deltek Costpoint or comparable ERP/accounting systems
  • Working knowledge of FAR
  • Experience with T&M, FFP, Cost-Plus, IDIQ, or similar government contract types.
  • Experience with accounts receivable aging, collections, cash application, and account reconciliation.
  • Ability to interpret contracts and translate contractual requirements into billing procedures.
  • Strong Excel skills and experience with ERP/accounting systems.
  • Excellent attention to detail and problem-solving skills.
  • Strong written and verbal communication skills.
  • Ability to manage multiple contracts, customer accounts, and competing deadlines.

Required Certifications: None
U.S. Citizenship Required: Yes
Security Clearance Required: None
Employment Type: Full-Time
Background Check Type: 7 Year Pre-Employment
Drug Screen Required: None
Position Contingent Upon Contract Award: No

 

Salary Range

$91,000 - $105,000 USD

REAL ID Requirement

This position may require the ability to access to U.S. federal facilities. In accordance with the Department of Homeland Security’s enforcement of the REAL ID Act, as of May 7, 2025, individuals must present a REAL ID-compliant form of identification or an acceptable alternative to gain entry. For a list of acceptable forms of identification, please click here.

Benefits

At ENSCO, a positive working environment and a competitive salary are only part of the reason for choosing a career here. We offer a comprehensive benefits package that creates a stimulating and supportive environment where you can thrive - visit ensco.com/careers/benefits to learn more.

Export Control and Licensing

This position may involve access to technology or technical data that is controlled under U.S. export control laws and regulations and the release of which to a non US person may require an export license from the U.S. Government.

Privacy

Your data privacy is important to ENSCO. Please click here to view our privacy policy. California residents can click here to view your California privacy rights.

EEO Statement

ENSCO, Inc. and its wholly owned U.S. subsidiaries are Equal Opportunity Employers– veterans, disability

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Voluntary Self-Identification of Veteran Status

For government reporting purposes, we ask candidates to respond to the below self-identification survey. Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiring process or thereafter. Any information that you do provide will be recorded and maintained in a confidential file.

As set forth in ENSCO, Inc.’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law.

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection. As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measure the effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categories is as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.

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