Claims Assistant – Health Insurance Processing

About the role

The Claims Assistant will work within the United Nations Staff Mutual Insurance Society (UNSMIS) Medical Insurance Section in The Hague. Reporting to the Administrative and Benefits Officer, the incumbent will support the processing of health insurance claims and ensure accurate reimbursement for insured staff.

Key responsibilities

• Process health insurance claims, verify prior authorizations and request additional documentation when needed.
• Validate bills, apply reimbursement codes and perform data validation in the Medical Insurance Underwriting System (MIUS) and the e-Claims portal.
• Manage daily administration of UNSMIS email boxes and respond to insured clients on reimbursement rules and procedures.
• Provide backup front‑office client services and handle other tasks assigned by the supervisor.

Required profile

• High school diploma or equivalent; a first‑level university degree reduces the experience requirement.
• At least three years of administration experience (or one year with a university degree); experience within the United Nations system is desirable.
• Fluency in English (UN Level III); additional languages such as Arabic, French, Spanish, Mandarin, Russian or Dutch are desirable.

Required skills

• Proficiency with the Medical Insurance Underwriting System (MIUS).
• Experience using the e-Claims portal for claim submission and validation.
• Knowledge of reimbursement coding and health‑insurance claim procedures.