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
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.
Skills Required
- Previous experience in billing, finance, or a related field
- Experience with data entry
- Knowledge of standard accounting procedures
- Ability to prioritize and multitask
- Detail-oriented with strong analytical skills
- Excellent internal and external customer service skills
- Ability to work effectively with others
- Excellent written and verbal communication skills
- Self-motivated and able to work with little or no direct supervision
- Strong time management and organizational skills
- Bachelor's degree in finance or a related field
- Training and auditing skills
What We Do
Ironclad Environmental Solutions is an industry-leading provider of specialty waste management, temporary storage, and containment solutions for hazardous and non-hazardous waste. The company maintains an expansive fleet of specialized rental assets, including tanks, roll-off boxes, pumps, and filtration systems, serving diverse industrial sectors across the United States with a focus on safety, compliance, and environmental sustainability.







