Tax Internship: Hands-On Wealth & Corporate Tax

Mariner; Overland Park (KS); On-site; USD 21,000 - 30,000; Full time

Job summary

The Intern, Tax at Mariner will participate in client tax return preparation for high net worth individuals, focusing on personal, fiduciary, S-Corporation, partnership, private foundation, and gift taxes. The internship runs Jan 13 to Apr 15, 2027, and requires availability 5 days / 40 hours per week.

You will gain hands-on experience under seasoned tax professionals, learn tax planning concepts, and support the tax team with schedules, file organization, and research.

Qualifications

• Pursuing a bachelor’s or master’s degree with an expected graduation date within 24 months of the start of the internship.
• Demonstrated leadership experience through work or extracurricular activities.

Responsibilities

• Assist with the preparation of tax returns, income tax projects, estimated tax vouchers, extension forms, and supporting work papers under supervision.
• Organize and maintain client tax files and electronic records; gather information for billing and client service needs.
• Prepare supporting schedules, reconcile client information, and review tax documents for completeness and accuracy.

Skills

Numerical accuracy

Accounting knowledge

Willingness to learn

Team player

Confidentiality

Time management

Written & verbal communication

Excel & Word proficiency

Education

Bachelor's or Master's student

Accounting/Finance related field

Tools

Microsoft Excel

Microsoft Word

Tax planning software

Job description

The Intern, Tax at Mariner will participate in client tax return preparation for high net worth individuals, focusing on personal, fiduciary, S-Corporation, partnership, private foundation, and gift taxes. The internship runs Jan 13 to Apr 15, 2027, and requires availability 5 days / 40 hours per week.

You will gain hands-on experience under seasoned tax professionals, learn tax planning concepts, and support the tax team with schedules, file organization, and research.