Demo

Human Resources Benefits Coordinator

Optimal Staffing
Ann Arbor, MI Contractor
POSTED ON 4/20/2026
AVAILABLE BEFORE 5/20/2026

Key Responsibilities

Benefits Billing & Payment Administration

Receive, review, and process benefit invoices (medical, dental, vision, life, disability, COBRA, HSA/FSA, wellness, etc.).

Verify billing accuracy against eligibility files, plan enrollments, and contracts.

Identify, research, and resolve billing discrepancies, overcharges, and missing credits.

Ensure timely payment of invoices to avoid service disruption or penalties.

Coordinate with Accounts Payable to process payments according to internal controls.


Data Reconciliation & Reporting

Reconcile carrier invoices against payroll, HRIS, and benefits administration systems.

Track monthly, quarterly, and annual benefit costs and prepare reconciliation reports.

Support audits, internal reviews, and financial reporting related to benefit expenses.

Maintain billing documentation, payment histories, and audit trails.


Vendor & Stakeholder Coordination

Serve as primary point of contact for carriers, benefit vendors, brokers, and third‑party administrators regarding billing issues.

Collaborate with HR, Payroll, Finance, and Legal teams to resolve discrepancies.

Support vendor implementations, renewals, and plan changes related to billing setup.

Compliance & Process Improvement

Ensure billing processes align with plan documents, contracts, and regulatory requirements (ERISA, ACA, HIPAA, COBRA).

Maintain confidentiality of employee health and compensation data.

Identify opportunities to improve billing accuracy, controls, and process efficiency.

Assist with benefit year‑end activities, rate changes, and carrier renewals.


Required Qualifications

Bachelor’s degree in Human Resources, Accounting, Finance, Business, or related field, or equivalent experience.

2–4 years of experience in benefits administration, benefits billing, payroll, or finance.

Strong knowledge of health and welfare benefit plans and billing structures.

High attention to detail with strong analytical and reconciliation skills.

Experience working with HRIS and benefits administration systems.

Proficiency in Excel (pivot tables, VLOOKUP/XLOOKUP, data analysis).

Strong communication skills and ability to work cross‑functionally.


Preferred Qualifications

Experience with multi‑carrier or multi‑entity billing environments.

Familiarity with vendors such as Aon, Mercer, ADP, Workday, Alight, Fidelity, or similar platforms.

Understanding of accounting principles related to accruals and expense tracking.

Experience supporting audits or compliance reviews.

Knowledge of union or international benefit billing (if applicable).


Key Competencies

Accuracy and financial diligence

Problem‑solving and root‑cause analysis

Confidentiality and data integrity

Vendor management

Process improvement mindset

Strong organizational and time‑management skills


Working Relationships

Internal: HR/People Team, Payroll, Finance/Accounting, Legal

External: Insurance carriers, brokers, TPAs, benefits vendors

Hourly Wage Estimation for Human Resources Benefits Coordinator in Ann Arbor, MI
$35.00 to $42.00
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