Assistant Controller

Elessent Clean Technologies Inc.; St. Louis (MO); On-site; USD 90,000 - 130,000; Full time

Job summary

Elessent Clean Technologies is seeking a senior accounting leader to oversee US GAAP-compliant accounting processes, month-end close, and internal controls. You will own the general ledger, manage consolidations, and support audits, interfacing with global teams and senior management.

The role requires strong analytical skills, ERP experience, and the ability to drive process improvements across finance functions while mentoring staff in a dynamic global environment.

Qualifications

• Bachelor's degree in Accounting or Finance required; MBA preferred.
• Strong US GAAP knowledge with public accounting experience desirable.
• Excellent analytical and Excel skills; experience with ERPs and multi-discipline approaches.

Responsibilities

• Own the general ledger and prepare journal entries; reconcile balance sheet and income statement accounts.
• Manage global consolidations and foreign currency transactions; ensure GAAP compliance.
• Coordinate audits and provide accounting support for new standards and policy changes.
• Mentor accounting staff and drive process improvements through automation and system enhancements.

Skills

US GAAP understanding

Excel proficiency

ERP systems experience

Analytical thinking

Education

Bachelor's degree in Accounting or Finance

MBA preferred

CPA/CMA certification

Tools

ERP software familiarity

Microsoft Office

Job description

Posted Tuesday, August 4, 2026 at 6:00 AM

Position Overview

Elessent Clean Technologies is a global leader in process technologies to drive sustainability and carbon neutrality in the metal, fertilizer, chemical, and oil refining industries with an unwavering commitment to customer support. We provide extensive global expertise across our portfolio of offerings in key applications – MECS® sulfuric acid production, STRATCO® alkylation, BELCO® wet scrubbing, and IsoTherming® hydroprocessing. Offering critical process equipment, products, technology, and services, we enable an array of industrial markets, including phosphate fertilizer, non-ferrous metals, oil refining, petrochemicals, and chemicals, to minimize their environmental impact and optimize productivity. We are dedicated to helping our customers produce high-quality products used in everyday life in the safest, most environmentally sound way possible, with a vision to make the world a better place by creating clean alternatives to traditional industrial processes.

Job functions and responsibilities:

• Support Corporate Controller for the oversight of Elessent’s accounting in accordance with US GAAP
• Support the Controller in driving process efficiencies in daily tasks, the close process, and in the identification of process improvements through AI, automation, leveraging systems and in the cross training of employees including improving the accounting system functionality
• Ensure month-end is closed accurately in accordance with established deadlines and standards
• Work with the Controller and accounting teams on any system or internal controls changes that are being proposed to understand implications to Elessent
• Work with the Controller and global accounting teams on implementation of new accounting standards and provide accounting support to appropriately document accounting conclusions
• Review any accounting policy changes and non-standard transactions summarizing the impact on Elessent’s financial statements ensuring compliance with GAAP
• Support a robust internal control environment designed to mitigate risk, enhance the accuracy of the company’s reported financial results, and ensure compliance with generally accepted accounting principles (GAAP). This includes maintaining related policies and procedures.
• Develop and employ best practices, policies, and processes to monitor and ensure appropriate control environment
• Own the general ledger, prepare and review journal entries, arrange and manage account reconciliations/analysis for balance sheet and income statement accounts with account owners
• Manage global consolidations and foreign currency transactions
• Support preparation of detailed monthly, quarterly and year-end financial statements and analysis
• Assist with forecast and planning processes as necessary
• Support preparation of quarterly Credit Agreement compliance certificate package for the CFO
• Coordinate annual audits through thorough understanding of audit workpapers while working closely with global accounting and operations groups
• Supervise, mentor, and provide guidance to accounting staff, ensuring accuracy, compliance, and timely completion of accounting activities
• Analyze supplier invoices and collaborate with the Treasurer and CFO to review cash flow requirements, support cash forecasting, and optimize working capital management
• Support M&A activity for accounting analysis and financial integration
• Support other projects as needed

Minimum Qualifications

• 4-year degree in Accounting or Finance from an accredited university; CPA/CMA and MBA preferred
• Strong US GAAP understanding with public accounting experience highly desirable
• Strong analytical and Excel skills applying multi-discipline approaches using Microsoft Office and ERPs
• High competency in problem solving, creativity, and organizational skills while demonstrating sound judgement
• Ability to multitask and reprioritize while efficiently working under deadlines in a fast-paced work environment
• Demonstrated ability to communicate complex accounting matters to senior executive financial and operating management clearly and concisely, both in written and verbal formats, within a multi-cultural environment
• Ability to travel internationally on occasion; if needed

To perform this job successfully, an individual must have the following education and experience: 4-year degree in Accounting or Finance from an accredited university; CPA/CMA and MBA preferred, Strong US GAAP understanding with public accounting experience highly desirable, Strong analytical and Excel skills applying multi-discipline approaches using Microsoft Office and ERPs, High competency in problem solving, creativity, and organizational skills while demonstrating sound judgement, Ability to multitask and reprioritize while efficiently working under deadlines in a fast-paced work environment, Demonstrated ability to communicate complex accounting matters to senior executive financial and operating management clearly and concisely, both in written and verbal formats, within a multi-cultural environment, Ability to travel internationally on occasion; if needed.

Positions are open to candidates authorized to work in the United States for any employer. Elessent Clean Technologies is an Equal Employment Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status.

Recruitment Fraud Notice

Elessent does not ask applicants to pay fees, purchase equipment, deposit checks, or provide banking information as part of the recruiting process. Official recruiting communications will come from an Elessent email address or through our authorized recruiting partners.

Applicants should be cautious of individuals or websites posing as Elessent recruiters, especially if they request payment, personal financial information, or urgent action outside of our normal hiring process.

Suspected recruitment scams may also be reported to the Federal Trade Commission at ReportFraud.ftc.gov or the FBI Internet Crime Complaint Center at IC3.gov.