Human Resources Benefits Specialist

Job Title: Human Resources Benefits Specialist

Job Description

We are seeking a detail-oriented Human Resources Benefits Specialist to manage our benefits billing and payment administration processes. The ideal candidate will ensure accuracy and timeliness in handling benefit invoices and collaborate with various departments to resolve billing issues. This role requires a strong understanding of health and welfare benefit plans and the ability to work cross-functionally within the organization.

Responsibilities

• Receive, review, and process benefit invoices including medical, dental, vision, life, disability, COBRA, HSA/FSA, and wellness.
• 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.
• 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.
• Serve as the primary point of contact for carriers, benefit vendors, brokers, and third-party administrators regarding billing issues.
• Collaborate with HR, Payroll, Finance, and Legal teams for vendor implementations, renewals, and plan changes related to billing setup.
• Ensure billing processes align with plan documents, contracts, and regulatory requirements such as ERISA, ACA, HIPAA, and 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.

Essential Skills

• Bachelor’s degree in Human Resources, Accounting, Finance, Business, or related field, or equivalent experience.
• 2+ 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, including pivot tables, VLOOKUP/XLOOKUP, and data analysis.
• Strong communication skills and ability to work cross-functionally.

Additional Skills & 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.

Work Environment

This position offers a hybrid work schedule with flexible hours from 8 AM to 5 PM, requiring 3 days onsite and 2 days working from home.

This is a Contract position based out of Ypsilanti, MI.

The pay range for this position is $26.00 - $30.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

This is a hybrid position in Ypsilanti,MI.

This position is anticipated to close on Apr 17, 2026.

Aston Carter provides world-class corporate talent solutions to thousands of clients across the globe. Specialized in accounting, finance, human resources, talent acquisition, procurement, supply chain and select administrative professions, we extend the capabilities of industry-leading companies. We draw on our deep recruiting expertise and expansive network to meet the evolving needs of our clients and talent community with agility and excellence. With offices across the U.S., Canada, Asia Pacific and Europe, Aston Carter serves many of the Fortune 500. We are proud to be a ClearlyRated Best of Staffing® double diamond winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email astoncarteraccommodation@astoncarter.com for other accommodation options.