03/09/2026

Accounting Operations Specialist

Job Description

The Stop Loss Accounting Operations Specialist provides administrative processing support within the Medical Stop Loss division of One80 Intermediaries. This role supports Accounting, Claims, Premium, and Employer Groups by processing claim reimbursement communications, obtaining premium back up when needed, issuing premium late notices, ACH processing documentation, and compliance tracking.

This role is critical to ensuring accurate financial transactions, regulatory compliance, and professional communication with brokers and clients.

Your Impact:

  • Prepare and distribute Explanation of Reimbursements (EORs) to brokers, TPAs, and employer groups.
  • Coordinate claim reimbursement processing, including obtaining ACH authorization forms and managing special handling requests.
  • Maintain accurate contact records for EOR distribution and premium billing within ESL systems.
  • Support accounting operations by coordinating commission ACH forms and maintaining required producer W9 documentation.
  • Track compliance requirements and escalate missing documentation when needed.
  • Maintain organized electronic records and processing logs within ESL office systems.
  • Provide updates to internal teams and assist with coordination between Accounting, Claims, and Operations.
  • Ensure adherence to HIPAA, data security standards, and internal operational procedures.

Successful Candidate Will Have:

  • High school diploma required, associate or bachelor’s degree preferred.
  • 0–2 years of administrative, insurance, accounting, or financial services experience.
  • Insurance or healthcare industry exposure is a plus but not required.
  • Strong attention to detail and accuracy.
  • Ability to manage multiple deadlines.
  • Professional written and verbal communication skills.
  • Basic understanding of financial transactions and documentation.
  • Proficiency in Microsoft Office (especially Excel and Outlook).

About One80:

One80 Intermediaries is part of Arrowhead Intermediaries, a global insurance distribution platform that offers deep specialization, scale, and innovation across wholesale brokerage, program administration, and specialty insurance. With more than 7,000 professionals worldwide and a collective portfolio exceeding $18 billion in premium placed in 2024, our combined organization delivers a diverse trading platform for insurance carriers as well as expanded access and niche solutions for brokers and customers navigating complex and hard-to-place risks. The platform combines entrepreneurial culture with operational excellence to deliver tailored solutions and long-term value across the insurance ecosystem.

One80 Intermediaries is an equal opportunity workplace and is committed to ensuring equal employment opportunity without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics.

Learn more about working at One80 Intermediaries by visiting our careers page: www.one80.com/careers.

Personal information submitted by California applicants in response to a job posting is subject to One80's  California Job Applicant Privacy Notice .


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