Federal Senior Accountant

Castro & Company • Alexandria, VA • Full Time • $80,000–$100,000 / year

Posted on Wed, Sep 2, 2026

Federal Senior Accountant
We are seeking a motivated Federal Senior Accountant to join our team supporting a key Federal agency's accounting operation. In this role, you will play a critical part in maintaining the accuracy and integrity of the client's financial records by performing complex transaction analysis, system reconciliations, and Federal accounting functions with minimal supervision. You'll work alongside experienced professionals in a collaborative, fast-paced environment that values precision, accountability, and continuous learning. This is an excellent opportunity for someone who enjoys problem-solving, working independently, and making a direct impact on federal financial operations.
What will you do in this role:

Analyze a large volume of accounting transactions with a high degree of accuracy, researching variances for root cause and preparing corrective entries in accordance with accounting principles
Use SQL queries to research abnormal balances at the trial balance level and recommend corrective actions
Reconcile general ledger to subsidiary ledger and across multiple data sources (e.g., travel, payroll, overseas data, feeder systems), including USSGL fund analytics
Recommend accrual methodologies and validate accrued amounts across areas such as domestic invoices, overseas payments, and travel, in accordance with USSGL and GAAP
Support annual financial statement audits, including reviewing financial documentation in large accounting data systems and responding to Prepared by Client (PBC) requests
Provide Federal accounting services, including Accounts Receivable, Accounts Payable, and General Ledger support
Establish, modify, and maintain accounting element tables, fields, and system records related to vendors, suppliers, and accounting codes
Provide recommendations or corrective actions to client management staff as needed
Meet critical deadlines while producing quality, detailed work product
Prepare and deliver presentations to client stakeholders

Your qualifications:

Bachelor's Degree in Accounting or a related field from an accredited university
Minimum of 3 years of experience in Federal financial management, accounting, reporting, internal controls, financial systems, and program operations
Working knowledge of USSGL, GAAP, and FASAB/SFFAS standards, along with Treasury requirements, OMB Circular A-123, FMFIA, the CFO Act, and DOI financial management processes
Skilled in reconciling general ledger to subsidiary ledger and across multiple data sources (e.g., travel, payroll, overseas data, feeder systems), including USSGL fund analytics
Proficient in SQL queries to research abnormal trial balances and recommend corrective actions
Experience recommending accrual methodologies and validating accrued amounts across areas such as domestic invoices, overseas payments, and travel, in accordance with USSGL and GAAP
Experience supporting annual financial statement audits, including reviewing financial documentation in large accounting data systems and responding to Prepared by Client (PBC) requests
Experience with SAP/FBMS, Treasury systems, data analysis, process improvement, and automation preferred
Proficiency in Microsoft Excel, Word, and PowerPoint
Security Clearance: Must be able to pass a government suitability check to obtain Public Trust.

Serving Federal Government clients, Castro & Company is a dedicated Audit, Advisory and Information Technology firm headquartered in Alexandria, Virginia. We are dedicated to helping our clients accomplish their strategic goals while providing our people with a diverse and inclusive environment to thrive and succeed. Castro & Company employees are part of a learning culture with challenging career development opportunities. We encourage teamwork and collaboration, reward excellence, and respect and value diversity.
Salary Range: $80K–$100K
Final compensation will be determined based on a range of factors, including relevant experience, education, work location, security clearance level, certifications, and other factors permitted by applicable law. Salary ranges listed reflect the Washington, DC metropolitan area.
Castro & Company is an Equal Opportunity Employer and considers all qualified applicants without regard to color, religion, sex, sexual orientation, gender identity, national origin, veteran status, disability and any other classification protected by law.

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