Project Billing Coordinator

LUZCO Technologies•St. Louis, MO

1d•Hybrid

About The Position

At LUZCO, we’re more than an engineering firm — we’re a familia. We pair technical excellence with a culture rooted in respect, flexibility, and genuine care for one another. Here, you're known by name, supported as a whole person, and encouraged to bring your authentic self to work with competitive benefits, and the flexibility to support life both inside and outside of work. We’re proud to be a 2025 and 2026 Best Place to Work in St. Louis and a woman-owned, minority-owned boutique firm, delivering impactful engineering solutions in a workplace where people feel valued and empowered to grow. We’re looking for a Project Billing Coordinator who is organized, responsive, and genuinely enjoys helping people. You’ll be a key partner to our Project Managers and Accounting team, helping ensure client invoices are accurate, submitted on time, and any billing questions or issues get resolved quickly. Billing will be the primary focus of this role, but we’re looking for someone who is also comfortable jumping in wherever needed. You’ll help maintain project information, research questions, track project updates, and provide additional project accounting support as you learn the business. This is a great opportunity for someone who likes working with both people and numbers, enjoys solving problems, and wants a role with variety and room to grow.

Requirements

1+ years of experience in billing, accounting support, project administration, or a related role.
Strong attention to detail and organizational skills.
Comfortable working in Microsoft Excel.
Strong written and verbal communication skills.
Ability to manage multiple priorities and keep things moving in a fast-paced environment.
A service-oriented mindset and ability to build strong working relationships.
Resourceful problem-solving skills; you’re comfortable researching an issue, asking questions, and finding an answer.
Flexibility and willingness to jump in wherever the team needs support.

Nice To Haves

Experience with Deltek Vantagepoint, Deltek Vision, Ajera, BST, Oracle Projects, or similar software.
Previous experience with client or project billing.
Experience in engineering, utilities, consulting, architecture, construction management, or another project-based professional services environment.
Familiarity with WIP, project funding, budgets, purchase orders, or change orders.
Experience managing billing or administrative support across multiple projects or clients.

Responsibilities

Prepare and issue accurate and timely client invoices.
Review project activity and supporting documentation before billing.
Submit invoices through client portals and follow up on questions, rejections, or other issues.
Work closely with Project Managers to gather information, answer questions, and keep billing moving.
Review unbilled work and help identify and resolve items holding up invoicing.
Research invoice and project-related questions to support collection efforts.
Maintain project information such as billing terms, labor categories, funding limits, and rate schedules.
Track purchase orders, change orders, funding updates, and other project changes.
Help keep project financial information accurate and up to date.
Jump in on other project accounting needs and special projects as needed.