Intern Insider
    Job BoardResume BuilderFeaturesBlogUniversities
    Sign InStart for free
    Job BoardResume BuilderFeaturesBlogUniversities
    Internships/Mariner

    Intern, Institutional

    Mariner · United States

    Summer 2026On-sitePaidPosted 2025-09-08
    Share on XLinkedIn

    Create a free account to unlock the application link.

    Apply Now

    About the role#

    As an Institutional Intern, you will provide operational and analytical support to the Performance Reporting or Defined Contribution Support Services team. This role offers hands-on experience in investment operations, focusing on client custodial and investment statements, as well as investment manager compliance documentation. This is a full-time, paid summer 2026 internship based on-site.

    What you'll do#

    • Provide operational and analytical support to the Performance Reporting or Defined Contribution Support Services team.
    • Collect and file critical client information, including custodial statements, investment manager reports, investment policy statements, contracts, and correspondence.
    • Distribute, collect, and maintain investment manager compliance spreadsheets.
    • Upload holdings and fixed income portfolio characteristics into reporting systems.
    • Participate in special projects as assigned.

    What you'll need#

    • Currently pursuing a bachelor’s or master’s degree with an expected graduation date within 12 months of the internship start date.
    • Pursuing a degree in Accounting, Finance, Business Administration, Economics, or a related field.
    • Proficiency in Microsoft Excel and data management tools.
    • Strong attention to detail and analytical problem-solving abilities.
    • Ability to manage multiple tasks effectively.
    • Prior internship or coursework in finance, investment management, or analytics is a plus.
    • Must be authorized to work in the U.S. without employer sponsorship.

    Location & details#

    • Location: United States (On-site)
    • Term: Summer 2026
    • Status: Full-time, paid internship ($20 per hour)
    Relevant fields:AccountingFinanceBusiness AdministrationEconomics

    About Mariner

    Mariner was a privately held IT services and consulting firm headquartered in Charlotte, North Carolina, that operated from 1998 to 2022. With a team of 11 to 50 employees, the company provided technology solutions to clients across North America in sectors including finance, healthcare, manufacturing, and energy. Its work evolved from custom business application development to data analytics and business intelligence, eventually focusing on AI-based computer vision products for manufacturing quality control. The firm specialized in areas such as machine learning, predictive analytics, and nondestructive testing.

    All Mariner internships

    Why students use Intern Insider

    We surface fresh internships early, then hand you the tools to actually land them — so you spend less time hunting and more time interviewing.

    • Postings days before LinkedIn
    • AI resume + cover letter tools
    • Apply from one place
    Create a free account

    More open roles at Mariner

    • Intern, Financial PlanningUnited States
    • Business Development InternUnited States
    • Intern, Practice ManagementUnited States
    • Intern, Tax Summer 2026United States
    • Intern, TaxUnited States

    Know someone who'd be a fit? Pass it along.

    Share on XLinkedIn

    On this page

    • About the role
    • What you'll do
    • What you'll need
    • Location & details

    Land internships at top companies

    140,000+ students have launched their careers with Intern Insider.

    High Interview Rate
    “Intern Insider helped me land most of my internship interviews and offers. It definitely improved my application-to-interview conversion compared to other platforms, especially because of the up-to-date and sometimes exclusive postings.”
    Anran L., Full-Stack Developer Intern

    Anran L.

    Full-Stack Developer Intern

    Dialpad
    Time Saver
    “I saved so much time by not having to scroll through LinkedIn, Indeed, and all the other job boards. Everything I need is in one place.”
    Pasha R., Business Strategy Intern

    Pasha R.

    Business Strategy Intern

    Rogers

    For students

    Looking for an internship right now?

    We watch the career pages of 200,000+ companies and post new internships the moment they go live. Set your preferences once and get matched with roles that fit.

    Start for free

    For universities

    Supporting students at scale?

    We work with co-op and career teams across Canada and United States on job development and employer outreach. Happy to show you how it works.

    See how we partner with schools
    Intern Insider

    We land you internships.

    Products

    • Job board
    • Internship collections
    • Newsletter
    • University partnerships

    Resources

    • Blog
    • Internship guides
    • Privacy policy
    • Terms

    Company

    • About
    • Contact
    • Careers

    © 2026 Intern Insider Technologies Inc. All rights reserved.