Rater, Commercial Account Specialist

Rater, Commercial Account Specialist

Mitsui Sumitomo Insurance Group (MSIG) is one of the world’s top ten property/casualty insurance carriers with over 38,000 employees worldwide. MSIG insures large multinational and domestic companies, and offers comprehensive global insurance programs.  Our US subsidiary, Mitsui Sumitomo Marine Management (MSMM), currently has an opportunity available for a Commercial Account Specialist (Rater) in our Warren, NJ office.

PURPOSE SUMMARY:  The Commercial Account Specialist provides support and assistance to Operations and Underwriting staff.  This includes quoting, rating and issuing policies and endorsements, collecting data, appropriately applying rates and factors, organizing files and reports, and performing administrative and customer service duties regarding new and renewal accounts that will assist in ensuring the operations and underwriting process is handled efficiently and accurately.


  • Processes documents and requests received for commercial policy issuance, changes, renewals, cancellations and reinstatements.  Determines and calculates premiums for input into the rating system according to established Company procedures in a timely and accurate manner.
  • Effectively communicates with internal and external customers to obtain and relay information needed to process policies. Updates or orders reports including MVRs, credit information or loss runs in a timely manner.
  • Troubleshoots for transaction processing issues with the National Operations Department and researches and assists in resolving inquiries generated from internal and external customers (i.e. policy/account status, rating and billing issues, etc.).
  • Reviews all transactions processed to ensure accuracy.
  • Shares knowledge and expertise by participating in new departmental and/or company initiatives.  Helps with training of others and partnering with IT and/or National Operations on testing of new systems and/or enhancements.
  • Performs quality control on other peers as directed.
  • Maintains current knowledge of branch goals, underwriting/rating procedures and system changes.
  • Performs other duties as assigned.


  • High School diploma or GED is required. Bachelor’s degree is preferred
  • Insurance related courses preferred.
  • 3+ years related commercial lines rating experience is required

Language Skills

Ability to read and interpret documents such as applications, submissions and/or procedural manuals.  Ability to write routine correspondence.  Ability to speak effectively before groups of customers or employees of organization.

Reasoning Ability                                                           

Ability to define problems, collect data, establish facts, and draw valid conclusions.


Ability to perform basic mathematical computations.

Computer Skills                                                               

Highly proficient in Microsoft Office Suite. Ability to learn and work with miscellaneous insurance-related applications.

Other Qualifications Required:

  • Excellent verbal, written and interpersonal communications skills
  • Good organizational skills
  • Good customer service skills
  • Ability to work in a team environment
  • Occasional overtime required to meet the needs of the business
  • Ability to multi-task, be flexible and prioritize with strong attention to details