Job Description

Job Title: Accounts Payable Specialist
Location: Remote
Type: Contract To Hire (6 Months)
Compensation: up to 25/hr
GovCon experience required, W2 only

Responsibilities

• Review and process vendor, consultant, and subcontractor invoices, ensuring compliance with our policy, federal regulations, FAR standards, and contractual terms.
• Accurately process 2-way and 3-way matched purchase orders (POs), validating against contracts and budgets.
• Ensure subcontractor invoices comply with government contracting rules and highlight/track unallowable costs as required.
• Process high-priority employee expense reimbursements in compliance with company policies and government audit requirements.
• Maintain vendor records and ensure 1099 reporting compliance.
• Reconcile vendor accounts and prepare monthly account statements.
• Prepare cash requirements reports for vendor and employee payments.
• Execute weekly vendor and employee payments via e-check, ACH, and online payment portals.
• Generate and submit NACHA files for ACH processing in banking portals.
• Maintain organized and audit-ready electronic filing systems to support compliance and DCAA audits.
• Act as liaison between internal teams, vendors, consultants, and subcontractors to resolve invoicing and payment discrepancies.
• Support audit requests and assist with documentation for DCAA and other government oversight agencies.
• Perform other duties as assigned to support the accounting team and corporate objectives.

• Proven experience in accounts payable processes, particularly working with government contracts and FAR compliance.
• Strong analytical skills and meticulous attention to detail.
• Excellent collaboration and communication skills to liaise effectively with vendors, subcontractors, and internal teams.
• Knowledge of FAR principles, DCAA regulations, and government invoicing standards.
• Experience with 2-way and 3-way match purchase orders, subcontractor invoicing, and unallowable cost review.
• Ability to prepare and reconcile vendor accounts and maintain audit-ready records.
• Proficiency with electronic payment systems, ACH processing, and NACHA file generation.
• High school diploma or equivalent; bachelor’s degree in accounting, finance, or related field preferred.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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System One, and its subsidiaries including Joulé, ALTA IT Services, TeamPeople, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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