Accounts Payable (AP) Coordinator I

General Summary

The AP Coordinator I is responsible for processing vendor invoices accurately and on time, in compliance with GTI Energy and DCAA guidelines or as directed by the Disbursement Cycle Manager. This role supports full-cycle AP operations, including invoice review, reporting, reconciliations, and audit support, while ensuring adherence to internal policies and regulatory requirements.

Why GTI Energy?

GTI Energy embraces the power of innovation and collaboration to solve consequential energy challenges. By demonstrating continuous improvements in technology and solutions that lower the emissions and costs of energy, we will shape energy systems that decarbonize economies, protect our environment, and benefit the people they serve. We do this by putting people at the center of everything we do. We support and uplift people, ensuring they have the resources and confidence needed to live as their authentic selves and reach their full potential.

Being part of the GTI Energy team means being surrounded by people that are passionate and purpose driven, empowered to continuously learn, ask hard questions, and leverage their knowledge and experience to drive toward a greater purpose.

We offer generous benefits, competitive salaries, opportunities for professional growth and career advancement. We prioritize and maintain a respectful culture, and we ensure reasonable accommodation is made to enable individuals with disabilities to perform the essential functions of their role.

Work Location

The position will be based in the Chicagoland area at the GTI Energy Headquarters. We offer a hybrid/core work week, where employees are remote Mondays and Fridays, and required to be on-site Tuesday through Thursday.

Primary Responsibilities

• Process, batch, and input vendor and subcontractor invoices, employee expense reports, and cash disbursement vouchers into the accounting system.


• Review, audit, code, and post invoices, ensuring accuracy and compliance with pay terms and DCAA guidelines, including identifying unallowable costs.


• Maintain AP files and prepare daily, weekly, and monthly accounts payable reports.


• Process check and EFT batches, including balancing to Pre-Transfer Edit Reports and initiating bank transfers.


• Record monthly general ledger journal entries for account distributions.


• Prepare monthly AP adjusting entries and year-end AP accruals.


• Coordinate monthly AP close with the general ledger team.


• Research and resolve vendor statements and invoice discrepancies in a timely manner.


• Support project managers, general accounting, purchasing, and AR on AP-related matters.


• Assist with developing and updating accounts payable procedures and policies.


• Provide documentation and support for annual financial audits.


• Collect and distribute accounting mail as needed.


• Perform other related duties as assigned.

Required Knowledge, Skills, Abilities, and Other Characteristics

• Strong knowledge of accounts payable principles, processes, and audit requirements, including government AP practices (DCAA compliance).


• Proficiency with Microsoft Office applications, especially Excel and Outlook (intermediate level or higher required).


• Skilled in using Adobe Acrobat Pro for document handling and review.


• High level of accuracy and attention to detail in data entry and financial documentation.


• Strong analytical and problem-solving skills with the ability to resolve invoice discrepancies independently.


• Well-organized, efficient, and capable of handling multiple tasks and shifting priorities in a deadline-driven environment.


• Strong verbal and written communication skills.


• Collaborative team player with the ability to work cross-functionally across departments (e.g., general accounting, purchasing, and operations teams).

Education and Experience

• High School Diploma required


• 1 – 4 years of full-cycle accounts payable experience using a Windows-based accounting system.


• Prior experience in a government contracting or regulated financial environment is preferred.


• Experience with AP process automation and electronic funds transfer (EFT) is preferred.

Pay Transparency

The salary range for this position is $50,000 - $57,500 USD annually. This salary range is GTI Energy’s good faith estimate, and the actual salary may vary based on a number of factors including, but not limited to, GTI Energy’s business or organizational needs and an individual’s relevant experience, education, qualifications, certifications, skills, seniority, geographic location, and/or performance. Compensation details listed in this posting reflect the base hourly rate, monthly rate, or annual salary only, and do not include bonus. The range listed is just one component of GTI Energy’s total compensation package for employees. Other rewards may include annual bonuses, paid time off, and region-specific benefits.

EEO Statement

GTI Energy is committed to developing a barrier-free recruitment process and work environment. If you require any accommodation, please e-mail us at [email protected] and we’ll work with you to meet your accessibility needs. You must have legal authorization to work for GTI Energy on your date of hire with no further action required by GTI Energy. We are an Equal Employment Opportunity employer and give consideration to qualified applicants without regard to race, color, age, religion, sexual orientation, gender identity, national origin, disability, veteran status, pregnancy, or genetic information.