Senior Controller

MSI is a full-service HVACR contractor offering energy efficient air‑conditioning services from concept to completion. With more than 50 years of service, MSI is known for its leadership and superior craftsmanship in designing and installing cooling systems.

MSI seeks a Senior Controller to lead accounting operations, financial reporting, and the internal control environment. Reporting to the CFO, the Senior Controller will ensure accurate and timely financial reporting, enhance internal controls, and provide leadership in budgeting, compliance, and financial process improvement.

Senior Controller

Accounting

Exempt

CFO

Commensurate with experience + Benefits

• Ensure timely and accurate monthly and quarterly close
• Prepare and review reconciliations, journal entries and accounting estimates
• Ensure accuracy and compliance with GAAP and internal policies
• Maintain consistency and discipline across accounting processes
• Serve as primary accounting lead for internal audits

• Analyze monthly results, variances, and trends
• Support annual budgeting and reforecasting by ensuring reliable baseline data
• Analyze margins, cost drivers, and operational performance metrics
• Translate accounting results into clear, business‑relevant insights
• Support short‑term cash forecasting in coordination with the CFO
• Identify opportunities to improve accounting and operational processes

• Maintain and enhance the internal control environment
• Ensure compliance with accounting policies and procedures
• Support SOX compliance and internal audit activities
• Identify control gaps and financial and operational risks within accounting and transactional processes

• Act as a financial partner to operations and department leaders
• Support due diligence for acquisitions, large projects or strategic initiatives
• Drive continuous improvement across accounting and finance processes
• Standardize procedures to support growth and scalability

• Each employee has a responsibility for their own safety, the safety of co‑workers, and the community in which they operate.
• Observe all safety, health, and loss prevention rules, practices, and procedures.
• Maintain a safety‑conscious mindset toward potential hazards in the work environment.

• Bachelor’s degree in Accounting
• CPA preferred
• 8–12+ years of progressive accounting and finance experience
• Experience in management and leadership of accounting teams
• Construction industry experience a plus

• Strong GAAP and financial reporting expertise
• Financial analysis and business acumen
• Advanced proficiency in Excel and financial systems
• Excellent communication skills with the ability to explain financial information to non‑finance leaders and build strong relationships across the organization
• High degree of integrity, sound judgment, and confidentiality
• Results‑driven, detail‑oriented and proactive
• Adaptable and comfortable in a fast‑paced environment

MSI is an equal‑opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status, or any other protected characteristic.