Intern, Tax

Job Description

Intern, Tax – Tulsa, OK | Mariner

The Tone:
This is a tax internship at Mariner, located in Tulsa, OK, with specific dates from January 13 to April 15, 2027. Mariner is a firm dedicated to building a diverse culture that supports professional growth and offers an innovative workplace fostering camaraderie and teamwork. This role is designed to provide interns with hands-on learning through real client work, helping them develop foundational knowledge in tax planning and compliance. It is an opportunity to contribute to servicing high net worth individuals and gain exposure to integrated tax and financial planning concepts.

The TL;DR
• Role: Internship
• Type: Full-time
• Location: In-person, Tulsa, OK

• Mission: To assist tax professionals in servicing high net worth individuals, focusing on various tax returns and compliance, while gaining practical experience.
• Tech Stack: Microsoft Excel, Microsoft Word, specialized tax planning and preparation software

What You’ll Actually Do
• Prepare: Assist experienced tax professionals with the preparation of tax returns, income tax projects, estimated tax vouchers, extension forms, and supporting work papers.
• Maintain: Organize and maintain client tax files and electronic records, alongside providing administrative and task compliance support.
• Review: Prepare supporting schedules, reconcile client information, and review tax documents for completeness and accuracy prior to filing.
• Develop: Participate in training sessions, associate meetings, and professional development opportunities to build technical tax knowledge.
• Research: Conduct basic tax research and assist in gathering information related to inquiries from taxing authorities and changes in tax laws.

The Must-Haves
• Background: Entry-Level. Pursuing a bachelor’s or master’s degree with an expected graduation date within 24 months of the internship start.
• Experience: Demonstrated leadership experience through work or extracurricular activities.
• Skills: Strong aptitude for working with numbers, basic knowledge of accounting or tax principles, high level of confidentiality and discretion, strong organizational and time management skills, proficiency in Microsoft Excel and Word.
• Bonus: Pursuing a degree in Accounting, Finance, Business or related field.