Junior GovCon Billing, Accounts Receivable Clerk

Terrestris LLC

. Read and understand customer and government contracts, including billing terms, funding, contract line items, period of performance, and invoicing requirements .

Posted 10/22/2026full-timeSpringfield • Virginia • United StatesJunior💰 $50,000 - $60,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in government contract billing, including Firm-Fixed-Price, Time & Materials, Level of Effort, and Milestone billing. Proficient in preparing and submitting invoices through various government invoicing portals while ensuring compliance with contract requirements.

Highest-signal resume keywords

Government Contract BillingInvoice Preparation and SubmissionAccounting or ERP System ExperienceAttention to DetailStrong Written and Verbal Communication

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Government Contract BillingInvoice PreparationAccounts ReceivableAccounting PrinciplesBilling ComplianceFinancial RecordkeepingExpense ProcessingContract UnderstandingCustomer SetupReconciliation

Soft Skills

Attention to DetailOrganizational SkillsTime ManagementCollaborationConfidentiality

Tools & Technologies

Microsoft ExcelMicrosoft OutlookDeltek CostpointUnanetQuickBooksNetSuiteSageMicrosoft DynamicsWAWFIPP

Certifications & Qualifications

High School Diploma or EquivalentAssociate's Degree in AccountingBachelor's Degree in Finance or Business

Industry Keywords

Government ContractingProfessional ServicesBilling TermsContract Line ItemsInvoicing RequirementsAccounts Receivable AgingCollectionsCash ApplicationFinancial InformationBilling Operations

Tech Stack

Tools & technologies

ERP

About the role

Key responsibilities & impact

Read and understand customer and government contracts, including billing terms, funding, contract line items, period of performance, and invoicing requirements
Set up customers, contracts, billing information, and applicable billing terms in the accounting/ERP system
Prepare, process, and distribute customer and government invoices accurately and on schedule
Review contracts and supporting documentation to ensure invoices comply with contract requirements
Apply government contract billing types, including Firm-Fixed-Price, Time & Materials, Level of Effort, and Milestone-based billing
Determine the appropriate billing method based on contract terms
Prepare invoices for labor, travel, other direct costs, and reimbursable expenses
Submit government invoices through WAWF, IPP, or applicable government/customer invoicing portals
Track invoice submissions, statuses, rejections, suspensions, approvals, and payments
Follow up on outstanding invoice issues
Review invoices and supporting documentation for completeness, accuracy, and compliance
Support daily accounts receivable and billing operations, payment processing, account reconciliation, collections, financial recordkeeping, customer and contract setup, and expense processing

Requirements

What you’ll need

Authorization to permanently work in the United States without sponsorship
High school diploma or equivalent
At least 1 year of experience in government contract billing, billing, accounts receivable, accounting, bookkeeping, finance, or a related field
Experience reading and understanding contracts and using contract terms to establish billing requirements
Experience setting up customers and contracts in an accounting or ERP system
Knowledge of government contract billing, including FFP, T&M, LOE, and Milestone billing
Experience preparing and submitting invoices to government or commercial customers
Experience submitting invoices through WAWF, IPP, or other customer/government invoicing portals is strongly preferred
Strong attention to detail and accuracy
Basic understanding of accounting principles
Comfortable working with numbers and financial information
Proficiency with Microsoft Office, particularly Excel and Outlook
Strong organizational and time-management skills
Ability to handle confidential financial information appropriately
Ability to work independently while collaborating effectively with a team
Strong written and verbal communication skills
Associate's or Bachelor's degree in Accounting, Finance, Business, or a related field is an additional qualification
2–5 years of accounts receivable, billing, or government contract billing experience is an additional qualification
Experience with accounting or ERP systems such as Deltek Costpoint, Unanet, QuickBooks, NetSuite, Sage, Microsoft Dynamics, or similar software
Familiarity with accounts receivable aging, reconciliations, collections, or cash application
Experience working in a professional services or government contracting environment

Benefits

Comp & perks

Health benefits
Financial benefits
Retirement benefits
Paid leave
Professional development
Tuition assistance
Work-life programs
Award programs recognizing exceptional performance and superior demonstration of service standards