Experience with IRS functions, programs, policies, regulations, procedures, and operations to conduct reviews; Experience with recognizing significant tax issues and enforcement changes in order to develop new or revised procedures or products for assigned programs; Experience with a wide range of analytical and evaluative methods in order to develop new approaches to existing programs such as compliance, accounts management and/or taxpayer education and communication functions; Experience using principles of management planning, program and process analysis to develop, design, and implement new or revised policies and procedures; Experience in oral communication to present plans, proposals, and training to individuals and groups, including top-level managers and field employees; Experience in written communication to prepare comprehensive written reports, disseminate policy information, training materials, and document findings and conclusions. You must also meet the following requirement(s): TIME AFTER COMPETITIVE APPOINTMENT (TACA): By the closing date (or if this is an open continuous announcement, by the cut-off date) specified in this job announcement, current civilian employees must have completed at least 90 days of federal civilian service since their latest non-temporary appointment from a competitive referral certificate, known as time after competitive appointment.