Billing / Project Accountant (mid Level) at Greenman-Pedersen Melville, New York

Billing Coordinator

GPI offers excellent benefits, including a 401(k) plan, ESOP, medical/dental/vision plans, paid time off, and more. GPI is an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability, or protected veteran status. Notice To Third-Party Agencies GPI does not accept unsolicited resumes from recruiters and/or agencies. Any staffing/employment agency, person, or entity that submits an unsolicited resume to this site does so with the understanding that the applicant's resume will become the property of GPI and has the right to hire that applicant at its discretion and without any fee owed to the submitting staffing/employment agency, person or entity. GPI will not pay a placement fee unless the agency or recruiter has a signed contract with GPI's Corporate Human Resources department in advance of submitting a candidate for consideration. Staffing/employment agencies must submit applicants to the designated GPI recruiter to be eligible for a placement fee. Verbal and written approvals will not be considered a valid contract for service. Work Authorization In compliance with the Immigration Reform and Control Act of 1986, we will hire only U.S. citizens and aliens lawfully authorized to work in the United States (if the position is or will be one that is subject to U.S. law). Verification of employment eligibility will be required at the time of hire. Visa sponsorship is typically not available for entry-level positions. GPI participates in E-Verify. Know your Right to Work.

GPI has an immediate opening for a Billing Coordinator in our Melville, NY office. This is a mid-level role ideal for a billing professional with 5+ years of experience supporting project-based accounting in a fast-paced, professional services environment. Do you value a company that puts employee satisfaction at the forefront of who they are? If so, GPI wants you! GPI is a multi-discipline engineering firm providing planning, design, and construction services for transportation infrastructure and building system projects throughout the United States for over 50 years. Ranked in the Top 100 Firms by Engineering News Record, GPI is a forward-thinking, innovative firm with a culture committed to excellence and that fosters staff empowerment.

Responsibilities:

• Prepare and process project-based invoices for a diverse portfolio of public and private sector clients
• Support billing for multiple contract types, including cost-plus, fixed fee, lump sum, and time-and-materials projects
• Coordinate with project managers to ensure accurate billing, contract compliance, and timely invoices
• Maintain billing schedules, project documentation, and audit-ready records
• Assist with billing analysis, reporting, and resolution of client inquiries
• Ensure adherence to internal controls, client requirements, and regulatory standards

Qualifications:

• 5+ years of billing or accounting experience, preferably within engineering, construction, or professional services
• Strong experience with project-based accounting and invoicing
• Familiarity with public sector clients (state, county, municipal agencies) strongly preferred
• Proficiency in Microsoft Excel, Word, and Adobe Acrobat (The interview process includes a practical Excel skills assessment to evaluate proficiency.)
• Experience with Deltek Vision or Vantagepoint preferred; Access experience is a plus
• Excellent attention to detail, organizational skills, and ability to manage multiple priorities
• Strong communication skills and the ability to work independently and collaboratively

Requirements

• Read, write, and understand plans and directions given in the English language
• Basic computer skills with the ability to create and edit Microsoft Word and Excel documents, create Outlook emails and utilize SharePoint and Microsoft Teams to communicate with other team members