Intern, Tax

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    Mariner

    1,001-5,000 employeesOverland Park, KSFinancial Services
    Actively hiringPaidSummer 2026Financial Services
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    About the role#

    As a Tax Intern, you will participate in a program designed to provide hands-on experience in financial planning and client service. You will work directly with tax professionals to gain foundational knowledge of personal, fiduciary, S-Corporation, partnership, private foundation, and gift tax returns.

    What you'll do#

    • Work with Wealth teams to support clients through integrated tax and wealth planning.
    • Assist in the preparation of tax returns, income tax projections, estimated tax vouchers, and extension forms.
    • Collaborate with tax professionals on special projects that directly support client needs.

    What you'll need#

    • Pursuing a bachelor’s or master’s degree in Accounting, Finance, or Business Administration with an expected graduation date within 30 months of January 2026.
    • Demonstrated leadership experience through work or extracurricular activities.
    • Strong aptitude for working with numbers and performing detailed calculations accurately.
    • Basic knowledge of accounting or tax principles.
    • Strong organizational and time management skills to meet multiple deadlines.

    Location & details#

    • This is a paid, full-time internship based in the United States.
    • The role is on-site and requires 30 to 40 hours per week from late January to mid-April 2026.
    • We are unable to provide sponsorship for this position.

    About Mariner

    Mariner was an IT services and consulting firm based in Charlotte, North Carolina. Founded in 1998, the company operated until 2022. It provided technology solutions to clients across North America in sectors including finance, healthcare, and manufacturing. The firm specialized in business intelligence, data analytics, and AI-based computer vision products.

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