National Controller

Winter Services ‚Ä¢ Milwaukee, Wisconsin ‚Ä¢ Full Time ‚Ä¢ $90,000–$100,000 / year

Posted on Fri, Aug 7, 2026

The National Controller oversees the financial functions related to the National division of GroundMasters. The Controller will provide financial analysis and reporting to support decision-making within the division and monitor and analyze the financial performance to identify areas for improvement. Utilizing the company ERP, NetSuite, the Controller will prepare and review weekly and monthly financial reports based on the cadence established by the Finance Leadership team. The role will partner with operations leadership to develop and implement strategies to achieve financial goals, ensuring compliance with financial regulations and company policies, and manage financial aspects of contracts and agreements related to operations. The Controller will lead and mentor the assigned Accounts Receivable and Accounts Payable team members.
DUTIES & RESPONSIBILITIES:

Serve as a leader, trusted advisor, and business partner in the organization who leads by example and holds themselves as well as the accounting team (and others) to high performance standards and demonstrates humility, accountability, and inclusivity.
Select, coach, and develop team members. Build a high-performing finance and accounting function for the National division of approximately 3 to 4 members and adjust as needed for efficiency and effectiveness.
Establish team goals, monitor performance, conduct regular performance reviews, and foster a culture of accountability, continuous improvement, and customer service excellence.
Oversee daily accounting functions, prepare weekly, and monthly WAR report documents. Proactively perform account fluctuation analysis, reconciliations, ad-hoc analysis, and management reporting to identify or “flag” potential issues.
Be a key business partner to the National Operations leadership, ensuring performance metrics are met.
Ensure adherence to complex customer invoicing and cash application processes, utilizing Supplier Portals as directed by our customers.
Oversee the Accounts Receivable and Collections functions to ensure timely cash flow. The National Controller will lead the collection efforts, working with National Operations and Sales teams. The Controller will ensure that their A/R team is responsive in monitoring aging activities, identifying past due accounts, making any required billing corrections, and tracking A/R specific KPIs.
Maintain the time-sensitive compliance requirements of our customer Supplier Portals, including corporate documents, certificates of insurance, and related documents.
Lead the Subcontract Payment process based upon strict deadlines
Liaise with other locations on field accounting activities as needed, including billing and collections, accounts payable, and reporting.
Manage audit and reporting requirements. Interact with corporate accounting on audit findings, compliance, internal controls, and accounting issues; proactively follow up on audit requests.
Direct implementation of all new accounting standards as needed, and act as the division's primary point of contact for all technical accounting matters
Support developing and documenting business processes and accounting policies to maintain and strengthen internal controls and business insights. Work with the Corporate Accounting Team to provide business insights and performance analysis.
Participate in the strategic and operational planning process regarding historic costs (purchasing, cash management, etc.) and risks
All other duties as assigned.

GENERAL ITEMS:

Perform other accounting and finance duties as requested.
Follow and comply with all company policies, safety requirements, and work rules.
Operate standard office equipment and maintain professional workplace standards.

QUALIFICATIONS:

Bachelor’s degree in accounting or finance. CPA a plus.
8-12 years of experience in accounting or finance with 3+ years in leadership/management
Strong knowledge of U.S. GAAP, financial reporting, and internal controls.
Proficiency in Microsoft Excel; Experience working with multi-entity organizations and ERP systems required; NetSuite experience strongly preferred.
Detail-oriented with strong organizational and time-management skills.
Demonstrated ability to work independently, manage competing priorities, and adapt effectively in a fast-paced environment.

PHYSICAL DEMANDS:

Sit for long periods of time
Occasionally stoop, kneel or crouch. Occasionally lift 15-20 pounds.
Use hands and arms to reach for, grasp and manipulate objects

BENEFITS:

Competitive salary based on experience
Medical, dental and vision insurance benefits
Company-sponsored Group Term Life & Short-Term Disability insurance
401k retirement plan with company match
Paid vacation and holidays
Fitness reimbursement

Winter Services LLC is an equal opportunity employer that takes pride in creating a diverse and inclusive workplace. The company complies with all applicable federal, state, and local fair employment practices law. Winter Services strictly prohibits and does not tolerate discrimination against employees, applicants, or any other covered persons because of age, race, religion, color, creed, disability, familial status, sex (including pregnancy, childbirth, breastfeeding, and related medical conditions), sexual orientation, gender, gender expression, gender identity, genetic information, marital status, national origin, ancestry, veteran or military status, or any other characteristic protected by federal, state, or local law.

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