Four (4) years of progressively responsible experience in internal audit, external audit, public accounting, compliance, risk management, investigations, program evaluation, or a related assurance field, including experience leading or independently completing audits and operational, performance, contract, construction, grant, information technology, or public-sector audits. Preferred experience in public transportation, government, or another regulated, operationally complex environment; experience leading multiple engagements, reviewing workpapers, coaching auditors, presenting to executives, and resolving sensitive audit issues; experience with audit management software, advanced.