Controller

About Ergonomic Solutions (Esi)

Founded in 1996, Ergonomic Solutions, Inc. (ESi) stands as a distinguished leader in the Midwest's material handling systems sector. Renowned for excellence, we deliver comprehensive engineering and manufacturing services. Specializing in the design, fabrication, and installation of overhead cranes, monorails, conveyor systems, lift tables, mezzanines, custom storage solutions, and more, ESi is your go-to partner for innovative solutions.   

Esi became part of the Rhino Tool House family in November 2025.  This acquisition represents a strategic expansion of Rhino Tool House’s national footprint and a significant enhancement of its material handling capabilities. With ESI’s proven expertise in the design, fabrication, and installation of overhead cranes, lift tables, mezzanines, and custom handling solutions, Rhino Tool House and ESI are positioned to deliver even greater value and efficiency to its customers across North America.

Position Summary

The Controller will oversee all accounting, financial reporting, and internal controls for Esi. This role is a highly visible, highly independent role ideal for someone who thrives in a fast-paced manufacturing environment, enjoys improving systems, and is comfortable managing both day-to-day accounting and higher-level financial strategy.

You will manage the company’s accounting functions including payroll oversight, job costing, billing, AP/AR, monthly close, financial reporting, budgeting, audit support, and compliance. You will work closely with ownership/executive leadership and interface with external partners such as CPA firms.

Job Duties & Responsibilities

• Oversee all daily accounting operations, including general ledger, accounts payable, accounts receivable, and payroll reconciliation.
• Lead monthly, quarterly, and annual financial close processes.
• Prepare accurate financial statements, project/job costing reports, and management dashboards.
• Manage cash flow, forecasting, and budgeting.
• Maintain internal controls and ensure GAAP compliance.
• Oversee payroll recording and reconcile payroll liabilities.
• Support project managers with job-costing accuracy and WIP reporting.
• Review and approve vendor contracts, credit applications, and financial agreements.
• Coordinate with external CPAs for tax filings, 1120-S, 941/940, sales tax, insurance audits, and banking requirements.
• Maintain and improve accounting policies, workflows, and documentation.
• Assist leadership with strategic financial planning and scenario modeling.
• Support integration processes as ESi transitions into Rhino Tool House systems.

Knowledge, Skills and Abilities

• Experience in inventory management systems in a job shop manufacturing setting.
• Solid understanding of accounting and finance principles.
• Strong analytical, written and oral communication skills.
• Demonstrated business partnering and interpersonal skills.
• Organized, flexible and easily adaptable to changing conditions.
• Prior experience working with Acumatica or other ERPs.
• High degree of proficiency with Excel, MS Access and PowerPoint.
• Strong project management skills.
• High energy, high ownership of work product and dedication and commitment to driving results.
• CPA or CMA preferred 

Competencies Required

• Make confident, fact-based decisions.
• Suggests and implements solutions to problems. 
• Forecast issues in advance so proper countermeasures can be implemented - internally and externally.
• Facilitate communication between team members to ensure efforts are aligned.
• Take accountability for delivering on commitments; owns mistakes and uses them as opportunities for learning and development.
• Ability to solve complex problems.
• Adept at using logic and reasoning to work through problems and analyze information.

Minimum Qualifications

• Minimum 5 years of progressive accounting experience, ideally with a mix of public and private accounting environments 
• Strong understanding of GAAP and internal controls.
• Must have a strong Cost systems background with experience working with engineering and manufacturing personnel on the development and analysis of cost standards.
• Excellent analytical skills.
• Bachelor's degree required, with a concentration in Finance or Accounting.
• Demonstrated abilities in financial modeling and analysis.
• Proof of eligibility to work in the U.S.

Compensation/Other Considerations

• $70,000-$100,000 compensation range based on experience 
• Health, dental, 401k and other benefits
• 401(k) plan with 4% match.
• Paid time off and paid holidays.
• A stable, growing company with a strong reputation in manufacturing.
• Opportunity to help modernize and shape ESi’s financial systems during an exciting period of growth.
• Some travel