Accounting Assistant - AP
Rockville, Maryland
Experience: 0
Category: Accounting & Finance
Contractor Work Model: Hybrid
Brand: System One
Compensation Range: 45000.00 - 65000.00 Per Year
Job ID: 382945
Date Posted: 11/03/2026
Shortcut: http://jobs.systemone.com/3bsBoN
Job Title: Accounting Assistant
Location: Rockville, Maryland
Type: Contract, short term but extension possible
Compensation: W-2 Negotiable
Work Model: Hybrid, 2 days onsite, 3 days remote
Hours: 40 hours/week expected
Responsibilities
Perform professional fiscal assistant work in the Department of Finance, Division of the Controller, Accounts Payable Section.
Ensure the timely accurate review, evaluation, determination of propriety, and processing of all non-payroll related disbursements.
Assist departments with Oracle Financial transactions such as payment invoice processing, purchasing, iExpense, General Ledger, Project and Grant inquiries and transactions.
Prepare and process disbursement transactions in accordance with Generally Accepted Accounting Principles (GAAP).
Investigate and resolve issues, discrepancies, or errors arising from processing transactions.
Audit and evaluate transactions and ensure propriety and completeness.
Perform reconciliations.
Requirements
Must understand Oracle Financial Modules.
Must be proficient in Data Entry and all Microsoft applications.
Four (4) years of progressively responsible, fiscally-related clerical experience (e.g., posting journal entries, processing fiscal actions using automated systems) including demonstrated proficiency with integrated word processing and spreadsheet functions.
Experience in a high-volume Accounts Payable organization with a primary focus on matching invoices to receiving records and Purchase Order (PO) strongly preferred.
System One, and its subsidiaries including 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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Ref: #851-Rockville-S1
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⚠️ Protecting Job Seekers from Identity Scams
At System One, your privacy and security are important to us. As job-related scams continue to target job seekers, we want to help you recognize and avoid common recruitment fraud. Identity theft scams often involve individuals, also known as "scammers," posing as recruiters or employers to obtain sensitive personal information, such as Social Security numbers, bank account details, or copies of driver’s licenses, with the goal of stealing identities, accessing financial accounts, or creating fraudulent accounts in a victim’s name.