[Skip to main content](#main-content) [ OpenNash ](https://opennash.com/) / [Jobs](https://jobs.opennash.com/) [ 01 Search jobs](https://jobs.opennash.com/search/)[ 02 Companies](https://jobs.opennash.com/explore/)[ 03 Hiring report](https://jobs.opennash.com/reports/hiring/)[ 04 AI assistants](https://jobs.opennash.com/connect/)[ 05 How it works](https://jobs.opennash.com/methodology/) Occidental Petroleum · Tulsa, Oklahoma # Tax Advisor Sr Tulsa, Oklahoma Senior individual contributor Finance & Accounting Listed on Occidental Petroleum’s official careers site. Listed as of November 1, 2026. Check that it is still open and apply there. [Apply on Occidental Petroleum’s careers site →](https://oxy.wd5.myworkdayjobs.com/Corporate/job/Tulsa-Oklahoma/Tax-Advisor_JR107889-1) [OpenNash Jobs](https://jobs.opennash.com/) / [Occidental Petroleum](https://jobs.opennash.com/companies/occidental-petroleum/) / Tax Advisor Sr ## Job description Oxy produces, markets and transports oil and natural gas to maximize value and provide resources fundamental to life. The company leverages its global leadership in carbon management to advance lower-carbon technologies and products. Headquartered in Houston, Oxy primarily operates in the United States, Middle East and North Africa. To learn more, visit Oxy Oxy strives to attract and retain talented employees by investing in their professional development and providing rewarding opportunities for personal growth. Our goal is to meet the highest employer standards by ensuring the health and safety of our employees, protecting the environment and positively impacting our communities where we do business. Oxy is an international energy company with assets primarily in the United States, the Middle East and North Africa. We are one of the largest oil and gas producers in the U.S., including a leading producer in the Permian and DJ basins, and offshore Gulf of Mexico. Our midstream and marketing segment provides flow assurance and maximizes the value of our oil and gas. Our Oxy Low Carbon Ventures subsidiary is advancing leading-edge technologies and business solutions that economically grow our business while reducing emissions. We are committed to using our global leadership in carbon management to advance a lower-carbon world. Visit oxy.com for more information. Occidental strives to attract and retain talented employees by investing in their professional development and providing rewarding opportunities for personal growth. Our goal is to meet the highest employer standards by ensuring the health and safety of our employees, protecting the environment, and positively impacting communities where we do business. We are looking for an experienced and motivated individual to fill the position of Tax Advisor Sr within our Tax Department group based in Tulsa, OK. ### Key Responsibilities Interact regularly with Company accounting and financial reporting personnel to obtain a working knowledge of oil and gas transactions, from both accounting and operating perspectives. Analyze data to calculate tax impacts from both a tax provision and tax compliance perspective. Participate in the preparation of the quarterly tax provision including analysis of tax accounts and reserves. Prepare and communicate the components of the effective tax rate movements period over period. Stay current on new guidance issued by the FASB related to ASC 740. Assist in the preparation of the tax footnote within the quarterly Form 10-Q and annual Form 10-K, including the tax rate reconciliation and deferred inventory. Perform tax research as needed. Assist with gathering data needed to address IRS and external auditor inquiries. Address tax accounting related inquiries from various stakeholders both inside and outside of the Company. Identify, calculate and track uncertain tax positions. Identify ways to improve and streamline processes. Participate in special projects as needed. ### Required Qualifications Bachelor's degree in Business or Finance, with a preference in Accounting. CPA candidate Minimum of 5 years income tax related and/or public accounting experience preferred. Strong knowledge of U.S. tax laws, with strong working knowledge of ASC 740 preferred. Strong knowledge of financial statement mechanics. Experience with U.S. Federal tax provisions and compliance. Experience preparing tax footnote and related disclosures for Form 10-K and Form 10-Q. Strong interpersonal skills Willing to cross train within the tax department. Flexible to overtime Strong computer skills (SAP, CorpTax, Excel, Word) ### Desired Qualifications Master of Taxation or equivalent degree CPA Prior energy income tax experience Relocation will not be provided. Recruitment Fraud It has come to our attention various individuals and/or organizations are contacting people falsely pretending to recruit on behalf of Oxy. Please be aware that these recruiting scams and communications do not originate nor are they associated with our recruitment process. All Oxy job postings and offers will require a completed application through our company website. Oxy does not charge a fee at any stage of the recruiting process. ### We will never - Ask you to pay for applications, interviews, meetings, processing, training or for any other fees - Use recruiting or placement agencies that charge candidates an advance fee of any kind or - Request personal information such as passport and bank account details at an early stage of our recruitment process. We recommend against responding to unsolicited business propositions or offers from people you don't know. Do not disclose your personal or financial details. If you believe you have been the victim of a recruiting scam, please contact your local police department. All qualified applicants will receive consideration for employment without regard to age, race, creed, color, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by federal, state, or local law. ## At a glance - Posted by the employer: Not stated - First seen by OpenNash: Aug 21, 2026 - Last checked: Nov 1, 2026 - Listed for: 72 days - Location: Tulsa, Oklahoma[Apply on Occidental Petroleum’s careers site →](https://oxy.wd5.myworkdayjobs.com/Corporate/job/Tulsa-Oklahoma/Tax-Advisor_JR107889-1) ## Hiring at Occidental Petroleum - Open jobs: 48 - New in the last 7 days: After two weekly collections - Tracked since: Jul 10, 2026 [All Occidental Petroleum jobs](https://jobs.opennash.com/companies/occidental-petroleum/) · [Weekly hiring report](/reports/hiring/) ## More jobs at Occidental Petroleum ### [Accountant](https://jobs.opennash.com/companies/occidental-petroleum/jobs/31b22e8fc72421acf452/) Algiers, Algeria ### [Analyst Financial](https://jobs.opennash.com/companies/occidental-petroleum/jobs/68bf8e7a96162fa5d7a7/) Houston, Texas ### [Crude Settlement Accountant](https://jobs.opennash.com/companies/occidental-petroleum/jobs/7de5ef0b2aaa969e6d1b/) Houston, Texas ### [Crude Volumes Accountant](https://jobs.opennash.com/companies/occidental-petroleum/jobs/efadb751678410089a13/) Houston, Texas ### [Financial Analyst](https://jobs.opennash.com/companies/occidental-petroleum/jobs/a050fcc74406c1e34795/) Houston, Texas ## Similar jobs at other companies ### [Tax Advisor/Sr. Tax Advisor](https://jobs.opennash.com/companies/chevron/jobs/036e7115a8b7b35b6be8/) Chevron · Houston, Texas, United States of America ### [Lead Senior Tax Accountant - State Tax Compliance](https://jobs.opennash.com/companies/lockheed-martin/jobs/522b2fc73630f63c2023/) Lockheed Martin · Bethesda, MD ### [Senior Tax Analyst, Tax Planning](https://jobs.opennash.com/companies/qualcomm/jobs/2b016d19fb36d9436727/) Qualcomm · San Diego, California, United States of America ### [Senior Tax Accountant](https://jobs.opennash.com/companies/lockheed-martin/jobs/25964f372da9c8c22fd6/) Lockheed Martin · Bethesda, MD ### [Lead Tax Analyst (Hybrid)](https://jobs.opennash.com/companies/aegon/jobs/30e645b6e6c13981d848/) Aegon · Philadelphia, Pennsylvania OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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