Project Biller

Stream Environmental is an environmental services company based in Houston, TX, specializing in used oil recycling, waste disposal, transportation, and field services. The company operates a diverse fleet of trucks capable of handling a wide range of environmental projects and service needs. With over 100 years of combined staff experience, Stream Environmental focuses on problem solving and providing comprehensive waste and project management solutions.

The team is committed to fast, efficient service while prioritizing the reclassification of waste streams into recyclable energy streams whenever possible. Stream Environmental offers a stable, mission-driven environment for individuals interested in contributing to sustainable waste management.

The Project Biller is a full-time, on-site role located in Houston, TX. This role is responsible for preparing accurate, timely invoices for environmental service projects based on completed field work and contractual terms. Day-to-day responsibilities include:

• Gathering and reviewing field tickets, work orders, manifests, bills of lading, timesheets, and disposal records from operations and field services teams
• Verifying labor, equipment, transportation, disposal, and material charges against customer contracts, rate sheets, quotes, and purchase orders
• Entering billing data and generating invoices in the billing or ERP system
• Submitting invoices through customer portals and meeting customer-specific billing requirements and deadlines
• Following up on missing or incomplete documentation so projects can be billed promptly
• Researching and correcting billing errors, credits, and rebills
• Maintaining organized billing records and supporting documentation for each project
• Assisting with month-end close, unbilled work reports, and accounts receivable inquiries
• Communicating with project managers, field supervisors, and customers about invoice questions and billing status

• Experience in project billing, invoicing, or accounts receivable, preferably with job- or project-based billing
• Ability to read and interpret field tickets, contracts, rate sheets, and purchase orders
• Strong attention to detail and accuracy when working with high volumes of invoices and supporting documents
• Proficiency with Microsoft Excel and experience with accounting or ERP software
• Experience with customer invoicing portals (such as Ariba, Coupa, or Open Invoice) is a plus
• Ability to manage multiple projects and deadlines at the same time
• Clear, professional communication skills for working with internal teams and customer contacts
• Experience in environmental services, waste management, oilfield, or industrial services is preferred
• High school diploma or equivalent required; an associate degree or coursework in Accounting, Business, or a related field is a plus