Executive Assistant Controller Jobs in Illinois (NOW HIRING)

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

• Bachelor’s degree in Accounting, Finance, or related field required.
• 7+ years of progressive accounting experience, preferably in construction environments
• Prior supervisory experience preferred
• CPA certification preferred

Knowledge/Skills/Abilities:

• Strong knowledge of GAAP and construction accounting practices (percentage of completion, job costing)
• Experience with ERP systems (e.g., Viewpoint/Vista or Oracle)
• Advanced Excel and financial analysis skills
• Strong analytical, problem-solving, and organizational abilities
• Ability to manage multiple priorities and meet deadlines in a fast-paced environment
• Excellent communication and interpersonal skills, with ability to work across all levels of the organization
• High level of integrity, attention to detail, and confidentiality

What's in it for you:

Financial Wellbeing

• Compensation - $140,000 - $155,000 per year, commensurate with experience
• 401(k) with company match & Employee Stock Purchase Plan (ESPP)
• Flexible spending account (Healthcare & Dependent care)

Health & Wellness

• Medical, Dental, and Vision insurance (plan choice) - coverage for spouse, domestic partner, and children
• Diabetes Management, Telehealth Coverage, Prescription Drug Plan, Pet Insurance

Family & Lifestyle

• Paid Time Off, Paid Holidays, Bereavement Leave
• Military Leave, including Differential Pay and Benefits Continuation
• Employee Assistance Program

Planning for the Unexpected

• Short and long-term disability, life insurance, and accidental death & dismemberment
• Voluntary life insurance, accident, critical illness, hospital indemnity coverage
• Emergency Travel Assistance Program
• Group legal plan

Position may be subject to pre-employment screening, which may include background check and drug testing. Accessibility: If you need accommodation as part of the employment process, contact ceicareers@mastec.com. Due to the high volume of applications received, we are unable to respond to individual requests regarding application status. Please log into your candidate profile for up-to-date information. 

MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully discriminate against any applicant or employee on the basis of race, color, sex, sexual orientation, gender identity, religion, national origin, age, disability, genetic information, military status, or any other consideration made unlawful by applicable federal, state, or local laws. The Company also prohibits harassment of applicants and employees based on any of these protected categories. It is also MasTec's policy to comply with all applicable state, federal and local laws respecting consideration of unemployment status in making hiring decisions.

MasTec Clean Energy & Infrastructure and our subsidiaries do not work with any third-party recruiters or agencies without a valid signed agreement and partnership with the Corporate Talent Acquisition Team.

Disclaimer: MasTec and our Subsidiaries will never ask prospective employees for any form of payment or money transfer as part of job application or onboarding. We do not ask prospective employees for information about credit cards or personal passwords, and it does not require applicants to purchase equipment or software. Ensure that all recruiter email addresses end in @mastec.com or @talent.icims.com. If you suspect you are the target of a scam, we advise you to contact your local law enforcement agency and report fraud at https://reportfraud.ftc.gov/.

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• Bachelor’s degree in Accounting, Finance, or related field required.
• 7+ years of progressive accounting experience, preferably in construction environments
• Prior supervisory experience preferred
• CPA certification preferred

Knowledge/Skills/Abilities:

• Strong knowledge of GAAP and construction accounting practices (percentage of completion, job costing)
• Experience with ERP systems (e.g., Viewpoint/Vista or Oracle)
• Advanced Excel and financial analysis skills
• Strong analytical, problem-solving, and organizational abilities
• Ability to manage multiple priorities and meet deadlines in a fast-paced environment
• Excellent communication and interpersonal skills, with ability to work across all levels of the organization
• High level of integrity, attention to detail, and confidentiality

What's in it for you:

Financial Wellbeing

• Compensation - $140,000 - $155,000 per year, commensurate with experience
• 401(k) with company match & Employee Stock Purchase Plan (ESPP)
• Flexible spending account (Healthcare & Dependent care)

Health & Wellness

• Medical, Dental, and Vision insurance (plan choice) - coverage for spouse, domestic partner, and children
• Diabetes Management, Telehealth Coverage, Prescription Drug Plan, Pet Insurance

Family & Lifestyle

• Paid Time Off, Paid Holidays, Bereavement Leave
• Military Leave, including Differential Pay and Benefits Continuation
• Employee Assistance Program

Planning for the Unexpected

• Short and long-term disability, life insurance, and accidental death & dismemberment
• Voluntary life insurance, accident, critical illness, hospital indemnity coverage
• Emergency Travel Assistance Program
• Group legal plan

Position may be subject to pre-employment screening, which may include background check and drug testing. Accessibility: If you need accommodation as part of the employment process, contact ceicareers@mastec.com. Due to the high volume of applications received, we are unable to respond to individual requests regarding application status. Please log into your candidate profile for up-to-date information. 

MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully discriminate against any applicant or employee on the basis of race, color, sex, sexual orientation, gender identity, religion, national origin, age, disability, genetic information, military status, or any other consideration made unlawful by applicable federal, state, or local laws. The Company also prohibits harassment of applicants and employees based on any of these protected categories. It is also MasTec's policy to comply with all applicable state, federal and local laws respecting consideration of unemployment status in making hiring decisions.

MasTec Clean Energy & Infrastructure and our subsidiaries do not work with any third-party recruiters or agencies without a valid signed agreement and partnership with the Corporate Talent Acquisition Team.

Disclaimer: MasTec and our Subsidiaries will never ask prospective employees for any form of payment or money transfer as part of job application or onboarding. We do not ask prospective employees for information about credit cards or personal passwords, and it does not require applicants to purchase equipment or software. Ensure that all recruiter email addresses end in @mastec.com or @talent.icims.com. If you suspect you are the target of a scam, we advise you to contact your local law enforcement agency and report fraud at https://reportfraud.ftc.gov/.

#LI-Onsite

#LI-DS1