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Accounts Payable Clerk

Blackwatch International
Mc Lean, VA Full Time
POSTED ON 7/22/2026
AVAILABLE BEFORE 9/21/2026

Blackwatch International Corporation (Blackwatch), a small business founded in 2010, is a small business dedicated to supporting Federal business and national security objectives. Based in McLean, VA, with offices in Sacramento, CA, Blackwatch invests in innovation and quality for our customers and staff, holding corporate-level ISO 9001:2015, ISO/IEC 27001:2013, and ISO/IEC 20000-1:2018 and CMMI Level 3 certifications. We are a leading provider of information technology (IT) infrastructure, cybersecurity, DevSecOps, data exploitation, and engineering services, specializing in large and complex projects. Blackwatch is dedicated to growth and offers a dynamic working environment with multiple opportunities for advancement.

Position Title: Accounts Payable Clerk

Location: McLean, VA (Remote/Hybrid available based on candidate experience)

Employment Type: Full-Time; Non-Exempt

Reports To: Director of Finance

US Citizenship Required: Yes


About Us

We are a rapidly growing government contractor supporting federal agencies across a diverse portfolio of contracts. As we continue to expand, we are seeking a detail-oriented and organized Accounts Payable Clerk to join our Finance team. This role is critical to ensuring accurate and timely processing of vendor invoices, employee expense reports, and subcontractor payments.

Position Summary

The Accounts Payable Clerk is responsible for the accurate and timely processing of invoices, expense reports, and vendor payments in support of a growing government contracting organization. This position plays a key role in maintaining financial accuracy, supporting contract compliance requirements, and ensuring strong vendor relationships. The ideal candidate will have experience working in a government contracting environment, hands-on experience with Unanet ERP, and the ability to manage high-volume transaction processing while maintaining a high level of accuracy and compliance.

Key Responsibilities

• Process high-volume vendor invoices, subcontractor invoices, and employee expense reports accurately and timely.

• Match invoices to purchase orders and receiving documentation.

• Review invoices for proper approvals and compliance with company policies.

• Maintain vendor records and ensure W-9 documentation is current.

• Prepare and process weekly payment runs via ACH, wire, and check.

• Reconcile vendor statements and resolve payment discrepancies.

• Assist with month-end and year-end closing activities.

• Support audits by providing requested AP documentation.

• Ensure invoices and payments comply with FAR requirements, contract funding limitations, company purchasing policies, and internal controls.

• Collaborate with project managers, contracts, and procurement teams regarding invoice approvals and project coding.

• Allocate costs to the appropriate projects, contracts, and cost centers in accordance with company accounting practices.

• Assist with annual 1099 preparation and vendor tax reporting requirements.

• Maintain strong internal controls and segregation of duties throughout the accounts payable process.

• Identify opportunities to improve accounts payable processes and efficiencies.

 

Qualifications

• 2 years of Accounts Payable experience.

• Hands-on experience with Unanet ERP.

• Associate's degree in Accounting, Finance, or related field, or equivalent combination of education and experience.

• Strong understanding of accounting principles and AP best practices.

• Experience with project, contract, and cost center accounting preferred.

• Proficiency with Microsoft Excel and Microsoft Office Suite.

• Excellent organizational skills and attention to detail.

• Ability to manage multiple priorities in a fast-paced environment.

• Ability to work independently in a remote environment while meeting deadlines and maintaining a high degree of accuracy.

• Strong written and verbal communication skills.

 

Preferred Qualifications

• Experience working in a government contracting environment.

• Experience supporting DCAA-compliant accounting practices.

• Experience processing subcontractor invoices and supporting government contract audits.

• Familiarity with FAR, DFARS, and government contracting compliance requirements.


Equal Opportunity Employer

Blackwatch International Corporation is an Equal Opportunity Employer/Affirmative Action Employer. All qualified applicants will receive consideration without regard to protected characteristics. Blackwatch participates in E-Verify.

 

Salary : $55,000 - $70,000

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