Assistant Controller

William Charles Construction, a MasTec Company, is currently hiring a Assistant Controller in our Rockford, IL office. The Assistant Controller supports the Controller in managing the day to day accounting operations of William Charles Construction. This role is responsible for ensuring the integrity of financial reporting, maintaining strong internal controls, supporting project accounting and job cost functions, and driving process improvements across the accounting function. The Assistant Controller partners closely with operations, project management, and executive leadership to provide financial insights, ensure compliance, and support strategic decision making in a construction environment. Company Overview: With more than a century of exceptional work on our resume, William Charles Construction remains guided by the pursuit of excellence. Our “Do it Right the First Time” work ethic has been the cornerstone of our business philosophy since 1892. With our broad background in heavy civil construction, environmental management, and mining and materials production, we have the expertise to help our customers complete their most complex projects. William Charles Construction is part of the MasTec Clean Energy & Infrastructure (CE&I) business segment. The CE&I segment generates over $4.5 billion in annual revenue, providing construction services across our renewables, industrial, infrastructure, and general building operating groups. Sustainability and safety are foundational to our culture and influence everything we do. MasTec, a minority-owned Fortune 500 company, has shaped the construction industry for more than 90 years. With over 35,000 employees and 400 offices nationwide, we provide flexibility and career growth in dynamic work environments. Join one of the largest construction firms in the country (Engineering News-Record [ENR]: #1 in Power, #16 Top 50 Domestic Heavy Contractors, #13 Transportation Contractor).

Provides operational support to the accounting department by managing the Company's financial policies, procedures and accounting processes Assist in reporting, implementing, and maintaining controls and processes regarding any newly implemented accounting standards, including, but not limited, ASC 606 – Revenue from Contracts with Customers and ASC 842 – Lease Accounting Generate accurate and timely internal financial reports for leadership and corporate stakeholders Coordinate with operations to ensure timely and accurate reporting of project results Oversee and maintain the general ledger, including account analysis, reconciliations, and data integrity Ensure compliance with GAAP and company accounting policies and procedures Manage fixed assets, depreciation schedules, prepaid expenses, and lease accounting Manage job cost accounting, including cost tracking, overhead allocation, and cost-to-complete estimates Review and analyze project performance, estimates, and forecasting in collaboration with project managers Assist in the development of annual budgets and periodic financial forecasts Provide analysis and recommendations based on financial performance and trends Maintain and enhance internal controls in compliance with SOX and company standards Evaluate accounting processes and recommend improvements for efficiency, scalability, and accuracy Assist with internal and external audits, tax filings, and regulatory reporting Manage documentation and respond to audit requests Partner with project managers and operations teams to support financial controls, reporting, and decision-making Manage business licenses and support compliance requirements as needed Supervise and mentor accounting staff; support hiring, training, and performance management Serve as a financial partner to project and field leadership, providing insight into project performance, risks, and profitability Qualifications Bachelor’s degree in Accounting, Finance, or related field required. 7+ years of