Billing Specialist

MACOSS Business Group; San Juan (PR); On-site; USD 52,000 - 78,000; Full time

Job summary

MACOSS Business Group is seeking a Billing Specialist to manage full-cycle labor billing for contractors across multiple active job sites. You will collect hours, verify timesheets, and prepare invoices in line with contracts, ensuring timely revenue collection and compliance.

Role requires strong Excel/Power BI skills, experience with billing software, and the ability to coordinate with field teams and accounting to maintain financial integrity.

Qualifications

• 2+ years of billing or accounting experience, ideally in construction.
• Experience with time-tracking systems and labor-based billing workflows.
• Familiarity with construction terminology, job costing, and project management processes.
• High school diploma required; associate or bachelor’s degree preferred.
• Proficiency in QuickBooks, Procore, Sage or similar billing software.
• Strong attention to detail and numerical accuracy.
• Excellent communication and organizational skills.

Responsibilities

• Collect, verify, and reconcile contractor working hours from timesheets or field reports.
• Prepare and issue accurate invoices based on approved labor hours and contract terms.
• Review project contracts to ensure billing aligns with scope, rates, and milestones.
• Coordinate with project managers to confirm hours, change orders, and adjustments affecting billing.
• Monitor job cost codes to ensure proper labor allocation across projects.
• Track subcontractor billing and align with general contractor billing cycles.
• Resolve billing discrepancies by communicating with contractors, supervisors, and clients.
• Maintain detailed billing records, audit trails, and documentation for compliance.
• Support month-end closing by providing accurate labor billing data to accounting.
• Assist with payroll-related validations when contractor hours overlap with wage calculations.
• Ensure compliance with company policies, labor regulations, and contract requirements.

Skills

Advanced Excel

Power BI

Automation Tools

Attention to detail

Numerical accuracy

Communication skills

Organizational skills

Problem-solving

Contract interpretation

Time management

Education

Associates or Bachelors in accounting, business, or construction management

High school diploma

Tools

QuickBooks

Procore

Sage

Billing software

Time-tracking systems

Job description

A Billing Specialist in a general contractor services company manages the full cycle of billing based on contractors’ verified working hours, ensuring accurate invoices, compliance with project contracts, and timely revenue collection.

This role ensures accurate billing for labor hours, supports project managers, and maintains financial integrity across multiple active job sites.

Position Overview

The Billing Specialist is responsible for preparing, reviewing, and submitting invoices tied to contractor labor hours and project activities. This role ensures that all billed hours align with approved timesheets, project budgets, and contractual terms. It requires strong attention to detail, familiarity with construction workflows, and the ability to coordinate with field teams, subcontractors, and accounting staff.

Key Responsibilities

• Collect, verify, and reconcile contractor working hours from timesheets, digital time‑tracking systems, or field supervisor reports.
• Prepare and issue accurate invoices based on approved labor hours, project rates, and contract terms.
• Review project contracts to ensure billing aligns with scope, rate structures, retainage requirements, and milestone schedules.
• Coordinate with project managers to confirm hours worked, change orders, and any adjustments affecting billing.
• Monitor job cost codes to ensure labor hours are allocated correctly across projects.
• Track subcontractor billing and ensure alignment with general contractor billing cycles.
• Resolve billing discrepancies by communicating with contractors, supervisors, and clients.
• Maintain detailed billing records, audit trails, and documentation for compliance and reporting.
• Support month‑end closing by providing accurate labor billing data to accounting.
• Assist with payroll‑related validations when contractor hours overlap with wage calculations.
• Ensure compliance with company policies, local labor regulations, and contract requirements
• Strong attention to detail and accuracy in numerical work.
• Advanced Excel, Power BI Skills, and Automation Tools
• Knowledge of construction billing practices, including time‑and‑materials (T&M), fixed‑price, and cost‑plus contracts.
• Proficiency with billing and accounting software, such as QuickBooks, Procore, Sage, or similar platforms.
• Ability to interpret contracts, rate sheets, and project documentation.
• Excellent communication skills for coordinating with field teams and clients.
• Strong organizational skills to manage multiple projects and deadlines.
• Problem‑solving ability to address discrepancies or missing information.

Qualifications

• High school diploma required; associate or bachelor’s degree in accounting, business, or construction management preferred.
• 2+ years of billing or accounting experience, ideally in construction or contractor services.
• Experience with time‑tracking systems and labor‑based billing workflows.
• Familiarity with construction terminology, job costing, and project management processes.