Posted August 13, 2026

Internal Revenue Agent (Tax Computation Specialist)


Glendale, AZOnsiteFull Time

Compensation: $106,437 to $172,980 Annually


This Internal Revenue Agent (Tax Computation Specialist) position is with Internal Revenue Service (Department of the Treasury) in Glendale, AZ. WHAT IS LARGE BUSINESS & INTERNATIONAL? A description of the business units can be found at: https://www.jobs.irs.gov/about/who/business-divisions Position(s) are to be filled in following area(s): LBI - Director NE Compliance - Northeastern Compliance Practice Area (NECPA) DFO Mid-Atlantic. Remain in POD - The vacancy will be filled at the selectee's official permanent position of record, post-of-duty (POD). REVIEW THE ADDITIONAL INFORMATION BELOW FOR FURTHER DETAILS Key duties: • The following are the duties of this position at the full working level. If this vacancy includes more than one grade and you are selected at a lower grade level, you will have the opportunity to learn to perform these duties and receive training to help you grow in this position. Performs tax computations for all tax returns examined by the Large Business and International Division, which include the largest and most complex business tax returns filed with the Internal Revenue Service. May perform tax computations for other Business Operating Divisions, including but not limited to Small Business/Self-Employed (SB/SE) and Tax Exempt & Government Entities (TE/GE) as they relate to Joint Committee Cases. Secures and analyzes current transcripts in accordance with local policy and properly incorporates the results into the work assignment. Determines adjustments needed to complete work assignments (including statutory and computational adjustments). Resolves issues such as foreign tax credit, net operating losses, alternative minimum tax, and carry back and carry over of losses and credits. Conducts appropriate research using such sources as the Code, Regulation, court cases and rulings to resolve issues and complete assignments thoroughly and accurately. Cites authority and follows established rulings and precedents in making correct determinations. Demonstrates innovative approaches in resolving differences of application of the tax laws. Provides technical advice, guidance, or training to internal stake holders (revenue agents, managers, IRS counsel, Appeals, etc.) as appropriate. Develops expertise on the use of approved tax computation software and other workarounds. Adheres to computer systems and document security requirements using only authorized equipment and software. Prepares Revenue Agent Reports for agreed, unagreed and partial agreed cases. Follows formats and procedures outlined in the Internal Revenue Manual and local guidelines as applicable. Prepares all required forms, exhibits and schedules to clearly and completely explain adjustments and tax computations that result in a professional and high-quality work product by making innovative use of computer programs and software, when appropriate. STANDARD POSITION DESCRIPTIONS (SPD): PD98827 Visit the IRS SPD Library to access the position descriptions. Qualifications: Federal experience is not required. Experience may have been gained in the public sector, private sector or through Volunteer Service. One year of experience refers to full-time work; part-timework is considered on a prorated basis. To ensure full credit for your work experience, please indicate dates of employment by month/day/year, and indicate number of hours worked per week, on your resume. You must meet the following requirements by the closing date of this announcement. QUALIFICATION REQUIREMENTS: To qualify for this position, you must meet the qualification requirements outlined below: BASIC REQUIREMENTS (IOR) ALL GRADES: A Certificate as a Certified Public Accountant (CPA) or a bachelor's or higher degree in accounting that included at least 30 semester hours in accounting or 24 semester hours in accounting and an additional 6 semester hours in related subjects such as business law, economics, statistical/quantitative methods, computerized accounting or financial systems, financial management, or finance. OR A bachelor's or higher degree in a field other than accounting or a combination of education and experience equivalent to 4 years that included at least 30 semester hours in accounting or 24 semester hours in accounting and 6 semester hours in related subjects as described above. AND SPECIALIZED EXPERIENCE GS-13: In addition to basic requirements, to be eligible for this position, you must have one (1) year of specialized experience at a level of difficulty and responsibility equivalent to the GS-12 grade level in the Federal service. Specialized experience for this position includes: Qualifying experience must have been in progressively responsible and diversified professional accounting or auditing work that required 1) knowledge of and skill in applying professional accounting principles, theory, and practices to analyze and interpret accounting books, records, or systems specifically to determine their effect on Federal tax liabilities and their adequacy for recording transactions affecting tax liabilities; 2) skill in interpreting and applying Federal tax law for individuals, business, and/or exempt organizations, partnerships, and corporations; 3) knowledge of business and trade practices to develop tax issues based on analysis and evaluation of overall business operations and financial condition; 4) knowledge of corporate financial transactions and financial management principles and practices; and 5) skill in interacting effectively with a broad range of individuals and in negotiating with specialists in accounting, legal, tax, and other similar business-related professions. Experience applying tax computation methods to calculate and review Federal tax liabilities involving restricted interest, net operating losses, loss carrybacks and carryforwards, foreign tax credits, deductions, tax credits, alternative minimum tax, and related examination adjustments. Experience using approved tax computation software to prepare, review, reconcile, and revise tax computations; identifying computational discrepancies; and documenting adjustments and supporting calculations. Experience preparing tax computations associated with reorganizations, mergers, acquisitions, leveraged buyouts, and similar business transactions; analyzing the effect of proposed examination adjustments; and documenting the resulting Federal tax amounts. Experience researching tax computation issues using the Internal Revenue Code, Treasury regulations, revenue rulings, court decisions, the Internal Revenue Manual, and other applicable guidance; applying the selected authority to assigned computations; and documenting the basis for the treatment used. Experience presenting and supporting tax computations to examination teams, taxpayers, taxpayer representatives, Appeals, or Counsel; explaining computational methods and adjustments; responding to questions; and resolving differences concerning the computation results. AND 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. For this requirement, a competitive appointment is one where you applied to and were appointed from an announcement open to "All US Citizens" TIME IN GRADE (TIG): For positions above the GS-05, applicants must meet applicable time-in-­grade requirements to be considered eligible. One year (52 weeks) at the next lower grade level is required to meet the time-in-grade requirements for the grade you are applying for. For positions at the GS-05, you cannot advance to the GS-05 if you have held a GS-02 in the past 52 weeks. There is no TIG restriction for GS-02, 03 or 04 positions. For more information on qualifications please refer to OPM's Qualifications Standards. View the full announcement and apply on USAJOBS.gov.
Expires September 12, 2026

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