Accounts Payable Specialist

Position Title: Accounts Payable Specialist
Requisition ID: 1691
Position Location: Fairfax, VA
Position Reports To: Controller
Supervises Others: No

At Trident Systems, we believe that strong engineering principles are fundamental to driving innovation and solving complex problems. We promote a culture characterized by rigorous engineering practices and a commitment to continuous improvement. This is achieved by leveraging our organization's collective expertise through collaborative development processes, which include thorough design and peer reviews. We can deliver innovative, high-performance solutions that meet our customers' evolving requirements by integrating our specialized knowledge in aerospace electronic systems with appropriately scaled development methodologies.

We are a mission partner supporting DoD, Intelligence Community, and Civil space customers. We develop complex, radiation effects mitigated, designs that balance competing requirements in modern space programs, delivering cutting-edge solutions that enable our customers to achieve more in space.

Position Summary

The Accounts Payable Specialist is responsible for overseeing and executing the company’s accounts payable operations, including vendor invoices and corporate credit card activity. This role ensures timely, accurate, and compliant processing of payables and AMEX charges, supports cash management, and maintains the integrity of financial records and vendor relationships.

Duties and Responsibilities

• Perform and oversee the full lifecycle of accounts payable processing, including receiving, reviewing, and entering vendor invoices, ensuring accuracy, proper approvals, and matching to purchase orders, receiving documentation, and contract requirements. Maintain and monitor the AP inbox.
• Prepare and process payment runs (checks, ACH, and wire transfers) in compliance with company policies, vendor terms, and government contracting requirements.
• Set up and maintain vendor records, including ACH enrollment, W-9 validation, and compliance documentation.
• Independently book, review, and reconcile all AMEX (corporate credit card) charges, ensuring proper coding, approvals, supporting documentation, and compliance with company travel and expense policies.
• Perform monthly AMEX and AP reconciliations; investigate and resolve discrepancies, aged items, and audit exceptions.
• Reconcile vendor statements and resolve unpaid, duplicate, or misapplied invoices and charges.
• Serve as a primary point of contact for vendor and internal inquiries related to payments, invoice discrepancies, and corporate credit card activity, providing timely and accurate responses.
• Maintain complete, accurate, and audit-ready AP and AMEX documentation to support internal audits, external audits, DCAA reviews, and government compliance requirements.
• Prepare and analyze AP aging reports, cash disbursement schedules, and support documentation for audits and management review.
• Ensure compliance with internal controls, accounting standards, and applicable federal regulations, including FAR, cost allowability, and documentation standards.
• Support month-end and year-end close processes by ensuring all payables, accruals, and AMEX liabilities are accurately recorded and reconciled.
• 1099 preparation and reporting.
• Identify control gaps and recommend process improvements to strengthen compliance, efficiency, and audit readiness.
• Collaborate closely with Accounting, Finance, Contracts, and Procurement teams to ensure accurate cost allocation and compliance with contract requirements.
• Perform other duties as assigned.

Required Qualifications

• Bachelor’s degree and 2+ years of related experience (or 6 years of related experience in lieu of a degree)
• Hands-on accounts payable experience
• Experience booking and reconciling corporate credit card charges (AMEX preferred)
• Demonstrated experience working in audit-heavy or highly regulated environments
• Strong understanding of internal controls, documentation standards, and accounting principles
• Proficiency in Microsoft Office Suite, particularly Excel

Preferred Qualifications

• Experience in a government contracting environment with familiarity with FAR and cost allowability requirements
• Microsoft Dynamics Business Central experience strongly preferred
• Experience supporting internal, external, or government audits (e.g., DCAA)
  
  

Benefits 

Hired applicants may be eligible for benefits including but not limited to:

• Health benefits
• Medical 
• Dental 
• Vision
• Basic life with AD&D
• Short term disability
• Long term disability
• Ancillary (Voluntary life with AD&D, accident, critical illness, hospital, and pet)
• Spending accounts (HSA, FSA, and DCFSA)
• Paid time off
• Holidays
• 401(k) (including company match)
• Tuition reimbursement
• Leaves (Parental, maternity, and military)
• Annual discretionary bonus (for eligible roles)

Trident Systems reserves the right to change or assign other duties to this position. 

Trident Systems is an affirmative action and equal opportunity employer. All qualified applicants will receive consideration for employment 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. To request reasonable accommodation to participate in the job application or interview process, please contact [email protected].

Pay Transparency: The contractor will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. 41 CFR 60-1.35(c)