Accountant

S3, Inc. is a rapidly growing woman-owned small business founded in 1991, headquartered in Huntsville, AL, that provides technical, programmatic, and logistic services to U.S. Department of Defense, other U.S. Government agencies, and partner nation militaries, co-located with Government requirements. The S3, Inc. staff is 84% veterans. The company operates under an ISO 9001/AS9100 certified Quality Management System.

Principal Business Unit
:
The Agile Engineering Division is chartered to DoD PEOs, PMOs, MDA, MSIC, SMDC, and Space Force program support; offensive and defensive weapons acquisition and fielding.

Subsidiaries
: KBFS – provides aviation pilot training, heavy lift, aircraft maintenance, and related services to government and commercial requirements. S3I – provides OCONUS FMS technical services, maintenance, and aviation platform training. GLSS – provides SCA/CBA contract aviation maintenance.

Corporate Operations Recruiting
: S3, Inc. and its subsidiaries are expanding our Corporate Operations team to support contract growth. We offer above‑industry‑standard benefits and encourage career development with mission‑focused leadership.

Immediate Need
:
Accountant 3.

Description: The Accountant oversees the process of a company paying its bills, ensuring invoices are accurately processed and paid on time. Key duties include managing the AP team, supervising payment processing and vendor relations, implementing and enforcing internal controls, and generating financial reports. The role is responsible for the overall accuracy and efficiency of the entire accounts payable cycle, from invoice receipt to final payment, in a multi‑company environment, and is also responsible for month end accruals.

• Provide leadership to the entire accounts payable process to ensure timely and accurate invoice and payment processing.
• Develop and maintain strong relationships with vendors, negotiate payment terms, and serve as the point of contact for escalated inquiries.
• Ensure compliance with company policies, internal controls, and financial regulations.
• Prepare and analyze reports on accounts payable, such as aging reports and cash flow projections.
• Identify opportunities to improve efficiency and accuracy within the AP department and implement changes, such as automation.
• Assist with internal and external audits by providing necessary documentation and information.
• Manage the AP ledger and ensure all financial records are accurate and organized.

• Bachelor's degree in Accounting, Finance, Business Administration, or a related field.
• Six years of accounts payable and general accounting experience for a federal contractor; some management experience preferred.
• Five years of accounting experience with Deltek Costpoint.
• Five years of experience with corporate credit‑card reconciliation.
• Two years of experience processing end‑of‑year 1099s.
• Two years of experience supporting DCAA and other external financial audits.
• At least a level 3 out of 5 competency with Microsoft Office (Excel/Word).

Systems Studies and Simulation, Inc. provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.