[Skip to main content](#main-content) [ OpenNash ](https://opennash.com/) / [Jobs](https://jobs.opennash.com/) [ 01 Search jobs](https://jobs.opennash.com/search/)[ 02 Companies](https://jobs.opennash.com/explore/)[ 03 Hiring report](https://jobs.opennash.com/reports/hiring/)[ 04 AI assistants](https://jobs.opennash.com/connect/)[ 05 How it works](https://jobs.opennash.com/methodology/) Marsh · Tokyo - Akasaka # Catastrophe Modeler - Marsh Re - Tokyo, Japan Tokyo - Akasaka Listed on Marsh’s official careers site. Posted October 27, 2026. Check that it is still open and apply there. [Apply on Marsh’s careers site →](https://mmc.wd1.myworkdayjobs.com/MMC/job/Tokyo---Akasaka/Catastrophe-Modeller---Marsh---Tokyo--Japan_R_368409-2) [OpenNash Jobs](https://jobs.opennash.com/) / [Marsh](https://jobs.opennash.com/companies/marsh/) / Catastrophe Modeler - Marsh Re - Tokyo, Japan ## Job description ### Company Marsh Description: Catastrophe Modeler Tokyo, Japan As a Catastrophe Modeler, you will support catastrophe risk analyses by preparing client exposure data, assisting with model-based analysis, and helping translate potential risk and loss results into clear client deliverables. You will also research relevant natural and man-made catastrophe perils to strengthen our analysis and reporting. We will count on you to: Gather, organize, review, and validate raw client exposure data for use in catastrophe risk analyses. Assist with basic analyses using existing catastrophe risk models, with guidance from senior project team members. Prepare and format data sets for analysis and review by senior project team members. Support the preparation of client summaries, presentations, and reports covering potential risk and loss results. Research industry publications and scientific papers on specific or regional natural and man-made perils, summarizing relevant findings for use in analyses and client reports. What you need to have: Strong attention to detail and the ability to organize, review, and manage data accurately. Ability to perform basic data analysis and follow established analytical processes. Strong written and verbal communication skills, with the ability to summarize technical information clearly. Ability to conduct research, evaluate relevant information, and produce concise summaries. A collaborative mindset and willingness to learn from senior project team members while managing assigned tasks responsibly. ### What makes you stand out Exposure to catastrophe modelling, risk analysis, insurance, reinsurance, or related financial services. Experience working with exposure data, analytical tools, spreadsheets, or data visualization and reporting applications. Familiarity with natural catastrophe perils, man-made catastrophes, or regional risk research. Experience preparing client-facing presentations, reports, or analytical summaries. Knowledge of the Japanese insurance or reinsurance market, or the ability to work effectively in both Japanese and English. Marsh (NYSE: MRSH) is a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With annual revenue of over $27 billion and more than 95,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information, visit marsh.com, or follow us on LinkedIn and X. Marsh is committed to creating a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age, background, disability, ethnic origin, family duties, gender orientation or expression, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, or any other characteristic protected by applicable law. Marsh is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh colleagues are expected to be in their local office or working onsite with clients at least three days per week. Office-based teams will identify at least one “anchor day” per week on which their full team will be together in person. ## At a glance - Posted by the employer: Oct 27, 2026 - First seen by OpenNash: Oct 25, 2026 - Last checked: Nov 1, 2026 - Listed for: 7 days - Location: Tokyo - Akasaka[Apply on Marsh’s careers site →](https://mmc.wd1.myworkdayjobs.com/MMC/job/Tokyo---Akasaka/Catastrophe-Modeller---Marsh---Tokyo--Japan_R_368409-2) ## Hiring at Marsh - Open jobs: 2,007 - New in the last 7 days: After two weekly collections - Tracked since: Jul 10, 2026 [All Marsh jobs](https://jobs.opennash.com/companies/marsh/) · [Weekly hiring report](/reports/hiring/) ## More jobs at Marsh ### [Oliver Wyman - Summer Intern (2027) - Tokyo](https://jobs.opennash.com/companies/marsh/jobs/819a5b1361903738685a/) Tokyo - Akasaka ### [Oliver Wyman – Associate/Engagement Manager, Private Capital – Tokyo](https://jobs.opennash.com/companies/marsh/jobs/a5b307b4ccddef204554/) Tokyo - Akasaka ### [Oliver Wyman – Principal, Private Capital – Tokyo](https://jobs.opennash.com/companies/marsh/jobs/f66b4b29c9834f05c58e/) Tokyo - Akasaka ### [PEMA Client Relationship Manager Japan](https://jobs.opennash.com/companies/marsh/jobs/602abd6fc33da2076b16/) Tokyo - Akasaka ### [People Partner Japan](https://jobs.opennash.com/companies/marsh/jobs/2efe2f5392f6b74ebcf7/) Tokyo - Akasaka ## Similar jobs at other companies ### [Reinsurance Treaty Catastrophe Modeler](https://jobs.opennash.com/companies/brown-brown/jobs/6a8e3bbc41d1f755de23/) Brown & Brown · Remote - USA ### [Lead Modeler](https://jobs.opennash.com/companies/aegon/jobs/a08cf7080cc92292450d/) Aegon ### [Data Modeler](https://jobs.opennash.com/companies/accenture/jobs/f4b66e3f2b0b140644dc/) Accenture ### [Data Center Customer Operations Iii Tokyo 3 Shinagawa Ku Tokyo Japan 212B1E04 88F9 4Db1 B38C 2464A9F1B3F4](https://jobs.opennash.com/companies/equinix/jobs/78c0fca462301595699f/) Equinix OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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