Strategic FP&A & Accounting Manager

Mainstream Fiber Networks; Belleville (IL); On-site; USD 90,000 - 130,000; Full time

Job summary

Mainstream Fiber Networks in Belleville, MI is seeking a Financial Planning and Accounting Manager to lead budgeting, forecasting, and financial planning. This role focuses on GAAP-compliant reporting, managing a company-wide budgeting process, and providing actionable insights to senior leadership.

The candidate will oversee accounting functions, partner with cross-functional teams, and drive financial modeling for market expansion while ensuring regulatory adherence and robust internal

Qualifications

• Bachelor’s degree in Accounting, Finance, or related field.
• Minimum of 5 years progressive accounting/FP&A experience.
• Strong knowledge of GAAP and financial regulations.
• Proficiency in accounting software and Microsoft Excel.
• Experience managing budgets, forecasts, and financial reporting.

Responsibilities

• Own the annual budget and rolling forecasts, connecting build plans, subscriber growth, and operating costs into one integrated model.
• Build and maintain financial models for network expansion, including cost per passing, cost per connection, take rate assumptions, and payback by market.
• Develop business cases and scenario analyses for new markets, major capital projects, pricing changes, and grant opportunities.
• Produce monthly performance reporting for leadership: budget vs. actual, forecast updates, and the "why" behind the variances.
• Define and track core KPIs such as ARPU, churn, penetration, capex per passing, and EBITDA by market, and make sure leadership trusts the numbers.
• Partner with Construction, Engineering, Operations, and Sales as their finance lead, helping them understand the financial impact of decisions before they make them.
• Support capital planning and funding needs, including lender, investor, or board reporting as required.
• Improve forecasting speed and accuracy by optimizing NetSuite reporting, reducing manual spreadsheets, and utilize AI and automation tools where they add value.
• Supervise, coach, and develop finance and accounting staff.

Skills

GAAP knowledge

Excel proficiency

Budgeting & forecasting

Financial reporting

Leadership

Education

Bachelor’s degree in Accounting/Finance

Tools

SAP

Oracle

NetSuite

Job description

Mainstream Fiber Networks in Belleville, MI is seeking a Financial Planning and Accounting Manager to lead budgeting, forecasting, and financial planning. This role focuses on GAAP-compliant reporting, managing a company-wide budgeting process, and providing actionable insights to senior leadership.

The candidate will oversee accounting functions, partner with cross-functional teams, and drive financial modeling for market expansion while ensuring regulatory adherence and robust internal