Jobs at National Interstate Insurance Company

Performs routine and non-routine accounting and billing functions for insurance accounts. Responsibilities include account reconciliation, payment matching, billing issue resolution, customer phone support, delinquent account follow-up, account analysis, report preparation, and compliance with regulations and company policies. The role requires collaboration with internal departments, customers, collection agencies, and external entities while handling confidential information.

Handles complex commercial auto total-loss claims, including coverage and liability investigations, damage evaluation, reserves, settlement negotiations, payments, and detailed claim file maintenance. The role communicates with insureds, claimants, and external partners and may participate in arbitrations, mediations, depositions, or trials. It requires strong knowledge of property and casualty insurance, claims procedures, applicable laws, negotiation, and caseload prioritization.

The Marketing Trainee will develop market research skills, assist in creating marketing campaigns, and engage with customers to build relationships. Responsibilities include creating content, analyzing performance, and supporting underwriting efforts.

The Business Development Trainee will participate in training to learn market research, marketing campaign execution, customer engagement, and performance analysis, supporting various departments.

Performs complex administrative and office operations, including document processing, mail handling, supply procurement, meeting and event coordination, visitor and phone support, data entry and record auditing. May coordinate special projects and technology setup requests. Requires strong organization, attention to detail, communication skills, confidentiality, and advanced knowledge of business systems and department procedures.

Develop and enhance commercial insurance products by conducting market research, analyzing customer and competitive data, creating product strategies and roadmaps, and collaborating with underwriting, actuarial, claims, marketing, and operations teams. Responsibilities include product specifications, pricing strategies, policy language, rate revisions, underwriting guidelines, product launches, and internal training. The role requires strong insurance expertise, analytical decision-making, and customer focus.

Summer 2027 actuarial internship supporting pricing and reserving analyses for a commercial transportation insurer. The intern will learn actuarial techniques, company systems, statistical methods, Excel, programming, and actuarial software while updating established analyses and participating in professional development and departmental shadowing.

Supports actuarial modeling, risk assessment, pricing analysis, data trend evaluation, reporting, and presentations. Collaborates with underwriting, finance, and product development teams, assists with regulatory compliance and process improvements, and develops actuarial expertise through professional development and continued CAS exam progress.

Learns actuarial techniques, company systems, pricing and reserving methodologies, and basic statistical methods. Updates data in established analyses, develops Excel proficiency, and begins using programming and actuarial software. The role is part of a June 2027 graduate development program conducted primarily onsite in Richfield, Ohio, with one remote day per week.

Processes and organizes claim files, handles moderately complex claims involving coverage questions or recovery potential, and supports efforts to improve claims procedures, efficiency, and cost control. Requires knowledge of insurance policies, claim data processing systems, analytical and organizational skills, and strong communication abilities. The role follows a hybrid schedule with four days onsite in Richfield, Ohio.

The Workers Comp Senior Claims Representative manages claims, evaluates compensability, conducts investigations, negotiates settlements, and maintains detailed claim files. The role requires strong analytical and communication skills along with experience in property and casualty claims handling.

Supports accounting operations including journal entries, account reconciliations, banking and treasury activities, investment accounting, reinsurance billing, SEC reporting, XBRL tagging, statutory insurance reporting, and management analyses. The intern will gain exposure to multiple insurance business areas, professional development, and workplace networking during the Summer 2027 program.

Supports business development through Salesforce data entry, new and renewal submission intake, prospecting, marketing analytics projects, and identifying new producers. The internship includes exposure to multiple departments, professional development, job shadowing, networking, and social activities. The role is based in the Richfield, Ohio office during Summer 2027.

Assists with financial statement preparation, general ledger reconciliation, journal entries, and month-end and year-end close activities. Supports audits, financial analysis, reporting, budgeting, forecasting, internal control improvements, and coordination with internal departments and external customers. The role is part of a graduate development program beginning in June 2027 and is primarily on-site in Richfield, Ohio.

Assists with planning, executing, monitoring, and documenting IT projects. Supports scope, budget, schedule, risk, issue, and quality management while coordinating team members and stakeholders. Tracks project performance, manages changes, prepares status reports, and contributes to mitigation and contingency planning. May serve as a Scrum Master by facilitating and coaching agile teams. The role is hybrid, requiring at least two days weekly onsite in Richfield, Ohio.

Entry-level underwriting role learning to evaluate and underwrite commercial transportation policies. Assist with risk analysis, ordering reports, documenting decisions, collaborating with actuaries/agents, and supporting renewals. Develop product, regulatory, and market knowledge while communicating decisions to internal teams and brokers.

Lead development and management of commercial transportation insurance products, conducting market research, setting pricing strategies, defining product specifications, and coordinating launches. Collaborate with underwriting, actuarial, claims, marketing, and operations to drive product enhancements, train stakeholders, and ensure regulatory and competitive alignment. Provide senior-level guidance and may manage or coach staff.

Supervise the Product Filing team, manage regulatory compliance, oversee filings with state departments, and ensure process improvements and effective communication within the team.

The Accountant I will manage customer support across insurance lines, handle billing and payments, communicate clearly, and prepare reports.

Manage a large inventory of complex California workers' compensation claims: investigate liability and coverage, analyze and negotiate settlements/reserves, authorize payments, maintain detailed claim files, represent the company at mediations/arbitrations, and coach or mentor staff as needed.