Billing Analyst

Job Details: Job Location: CORPORATE (M) - Auburn Hills, MI, Salary Range: Undisclosed, About IRONCLAD Powered by Mersino

IRONCLAD powered by Mersino is a national provider of liquid storage, dewatering, and environmental rental solutions serving the energy, industrial, petrochemical, and construction markets. Formed through the merger of Ironclad Environmental and Mersino Dewatering, the combined company operates a multi-branch network across Texas, Louisiana, California, the Upper Midwest, and other key industrial regions, delivering rental fleet, engineered water management, and liquid containment solutions to customers who depend on uptime, safety, and technical expertise.

About the Role

The primary function of the Billing Analyst is to drive and protect operating margins and improve DSO (Days Sales Outstanding) through accurate and timely billing. The Billing Analyst supports the Billing Team in ensuring accurate invoicing and helps maintain internal controls that safeguard financial integrity and consistency across the invoicing process. The Billing Analyst serves as a working team member and individual contributor to the team's overall success.

What You'll Do

Focus on billing accuracy, correcting errors to maximize operational profitability, and ensure all invoices are reviewed for accuracy prior to being sent to customers
Reconcile unapplied payments posted from bank reports
Apply received payments to customer invoices with accuracy and consistency
Assist in integrating and maintaining strong internal control procedures over billing applications to safeguard company assets
Assist in ensuring all personnel within the reporting structure are properly trained and informed of existing and new billing policies and procedures
Assist in establishing billing policies and procedures, and ensure compliance through follow-up and oversight to maintain consistent performance across all locations
Conduct regular audits of projects to ensure proper billing documentation is obtained across all branches
Communicate escalations and billing issues to leadership in a timely manner
Maintain accurate records in accordance with company standards
Perform other tasks and duties as needed or requested
Maintain strong working relationships with branch teams while following established workflows and procedures

Qualifications: What You'll Bring

Specific Expectations

Bachelor's degree in finance or related field preferred

Previous experience in billing, finance, or related field
Experience in data entry
Knowledge of standard accounting procedures
Ability to prioritize and multitask
Training and auditing skills desired
Detail-oriented with strong analytical skills
Excellent internal and external customer service
Ability to work effectively with others
Excellent written and verbal communication skills
Self-motivated, with the ability to perform tasks with little or no direct supervision
Strong time management and organizational skills

What Success Looks Like

In this role, success means:

Billing Accuracy: Invoices are accurate, complete, and reviewed before being sent to customers, helping protect margins and reducing billing errors.
Improved Cash Flow: Payments are applied accurately and unapplied payments are reconciled promptly to support improved DSO.
Strong Internal Controls: Billing processes and records consistently follow established policies, procedures, and internal controls.
Consistent Branch Support: Branch teams have the guidance and support they need to follow billing requirements and provide complete documentation.
Proactive Problem Solving: Billing issues, discrepancies, and escalations are identified early and communicated to leadership with appropriate follow-up.
Reliable Execution: Work is organized, timely, and accurate, with strong attention to detail across multiple priorities and locations.

Why Join Ironclad Powered by Mersino?

Build Something Bigger.

Ironclad is growing, and that growth creates opportunities for people who want to make an impact. As a Billing Analyst, you'll have the opportunity to:

Make a Financial Impact: Directly contribute to profitability and cash flow through accurate, timely billing and payment application.
Strengthen Billing Processes: Help establish and improve billing policies, procedures, and internal controls across the organization.
Work Across the Business: Build strong relationships with branch teams and collaborate across Accounting, Finance, and Operations.
Solving Problems: Identify billing discrepancies, research issues, and develop practical solutions that improve accuracy and efficiency.
Build Your Accounting Career: Gain broader experience across billing, accounts receivable, internal controls, audits, and financial processes.
Support a Growing Organization: Help create consistent billing practices and processes across Ironclad Powered by Mersino's expanding branch network.

Equal Employment Opportunity

Ironclad Powered by Mersino is an equal opportunity employer. We are committed to providing a workplace free from discrimination and harassment and to making employment decisions based on qualifications, performance, business needs, and other legitimate factors.