Business Support- Accounting Intern

About MS Reinsurance

MS Reinsurance is a global reinsurer domiciled in Switzerland with underwriting offices in Zurich, Bermuda, Miami, and New York. The company underwrites non‑life treaty reinsurance solutions worldwide through its three business units:
Americas, International, and Specialty Lines. Part of the world‑leading insurance group MS&AD, MS Reinsurance combines reliability and agility to make its clients’ businesses stronger.

We are seeking a motivated, detail‑oriented summer intern to support our Reinsurance Operations & Technical Accounting team responsible for the Latin America (LATAM) portfolio. The intern will work closely with a team of six professionals, including Reinsurance Operations Technical Analyst and Credit Control, gaining hands‑on exposure to reinsurance accounting operations, data reconciliation, portfolio management, and client servicing activities.

• Support the LATAM Operations team in reconciling and analyzing legacy and migrated balances.
• Review migrated data for accuracy, identify discrepancies, and assist with documentation and corrections.
• Assist in reviewing Statements of Account (SOA) from brokers and cedents, validating premium, claims, reserves, and cash activity reported in SOAs.
• Maintain and update quarterly static and missing account reports, including tracking follow‑ups.
• Conduct research and analysis to support balance investigations and reconciliations.
• Contribute to data cleanup and quality improvement initiatives.
• Collaborate with Technical Analysts and Credit Control teams to support LATAM operational and accounting processes.
• Participate in process improvements and special projects as needed.
• Provide analytical support across the LATAM Reinsurance Operations Technical team.

• Currently pursuing a bachelor’s degree in accounting, finance, business administration, risk management, or related field.
• Strong analytical and problem‑solving skills.
• Excellent attention to detail and organizational abilities.
• Intermediate to advanced Microsoft Excel skills.
• Ability to manage multiple assignments and meet deadlines.
• Ability to work independently while collaborating effectively with a team environment.
• Bilingual:
  English and Spanish.

Applicants must be eligible to work in Miami, Florida.

Questions? Please email