A-123 Senior Consultant

Castro & Co. • Alexandria, VA

3d

About The Position

We are looking for a motivated A‑123 Senior Consultant to join our team supporting a key Federal client’s financial management and compliance programs. In this role, you will play a critical part in strengthening internal controls and reducing improper payment risk by performing Appendix A testing and leading Appendix C assessments. 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, client interaction, and making a direct impact on federal financial operations.

Requirements

• Bachelor’s Degree in Accounting or a related field from an accredited university
• Minimum of 3 years of experience performing internal control testing, including: Financial Statement Audits, OMB Circular A‑123 (Appendix A and/or C), Sarbanes-Oxley (SOX) compliance
• Strong understanding of Internal Controls over Financial Reporting (ICFR)
• Proven ability to manage multiple priorities and meet deadlines in a fast-paced environment
• Demonstrated experience providing client-facing support and presenting findings
• Strong analytical, organizational, and project management skills
• Proficiency in Microsoft Excel, Word, and PowerPoint
• Security Clearance: Must be able to pass a basic government suitability check (US Citizenship required)

Responsibilities

• Perform internal control testing under OMB Circular A‑123 Appendix A, including risk assessments, entity-level control evaluations, and validation of corrective action plans (CAPs)
• Lead improper payment risk assessments in accordance with Appendix C requirements
• Develop test plans and procedures aligned to control narratives, process flows, and risk frameworks
• Evaluate control design and operating effectiveness and document results in audit workpapers
• Identify control deficiencies, perform root cause analysis, and support development of remediation strategies
• Supervise and review the work of junior staff, providing coaching and quality oversight
• Deliver client-facing presentations and briefings to communicate findings, risks, and recommendations
• Collaborate with client stakeholders to strengthen internal control environments and improve compliance

Benefits

• diverse and inclusive environment to thrive and succeed
• learning culture with challenging career development opportunities
• teamwork and collaboration
• reward excellence
• respect and value diversity

What This Job Offers

• Job Type: Full-time
• Career Level: Senior