Billing Specialist

About Us NorthStar Energy Services, a Quanta Services, Inc. (NYSE:PWR) company, is based in Channelview, TX and provides engineering, design, procurement, construction and support services to the chemical, petrochemical, pipeline, oil & gas, bulk storage and terminal industries throughout the country. We offer individual project services as well as turnkey EPC project implementation.

NorthStar possesses the skills and expertise to self-perform the design and installation of civil, structural, mechanical, piping, electrical, and instrumentation systems throughout a broad array of industrial applications.

Joining our team means being part of an organization that values drive and inclusion. We focus on career development and reward excellence, recognizing each team member's unique contributions. We're at the forefront of powering modern life. Discover how your skills and dedication can make a real difference to us. About this Role We are seeking a detail-oriented Billing Specialist to manage complex billing for large-scale industrial projects. The ideal candidate will have experience within the oil and gas, data center, industrial construction, EPC, or a closely related industry, along with a strong understanding of both time and material and lump-sum billing. This position will work closely with project teams to ensure invoices are accurate, properly supported, and submitted according to contract and customer requirements. What You'll Do

Prepare accurate and timely invoices for large-scale industrial projects. Manage both time and material and lump-sum billing. Review contracts, purchase orders, rate sheets, and billing requirements before preparing invoices. Gather and verify supporting documentation, including timesheets, labor reports, equipment usage, material costs, receipts, and subcontractor charges. Ensure labor, equipment, materials, and other project costs are billed according to contractual terms. Monitor unbilled costs, billing status, retainage, and outstanding documentation. Work closely with Project Managers, Project Controls, Accounting, Operations, and field personnel to resolve billing discrepancies. Respond to customer questions and provide documentation needed for invoice approval. Maintain organized and complete billing files for audits and project closeout. Assist with accounts receivable follow-up and reporting as needed.

5–10 years of billing experience supporting large-scale industrial or construction projects. Experience in oil and gas, data centers, EPC, pipeline, energy, or a similar project-based industry strongly preferred. Demonstrated experience with both time and material and lump-sum billing. Strong understanding of project contracts, purchase orders, rate structures, and supporting billing documentation. Experience reviewing labor hours, equipment charges, material costs, and subcontractor expenses. Strong Microsoft Excel skills and experience working with accounting, ERP, or project-management systems. Excellent attention to detail, organization, and follow-through. Ability to manage multiple projects, deadlines, and customer-specific billing requirements. Strong written and verbal communication skills. Preferred Qualifications Experience billing multimillion-dollar projects. Knowledge of progress billing, schedules of values, retainage, change orders, and project closeout. Experience working with field-based construction or project teams. Familiarity with industrial customer portals and electronic invoice-submission systems.

What You'll Get As a Quanta Services employee, we offer a wide range of benefits to fit your needs.

401(k) with immediate matching and vesting Fully comprehensive benefits packages; Medical, Dental, Vision

Your choice of PPO, HSA, FSA

Short-term and long-term disability benefits Employee discounts on consumer goods

#LI-AS1 Equal Opportunity Employer All qualified applicants will