Job Description:

GTI Energy is a leading technology development organization. Our trusted team works to scale impactful solutions that shape energy transitions by leveraging gases, liquids, infrastructure, and efficiency. We embrace systems thinking, innovation, and collaboration to develop, scale, and deploy the technologies needed for low-carbon, low-cost energy systems. Fostering a positive and respectful work culture that promotes growth, collaboration, and opportunity, our 18-acre headquarters is home to state-of-the-art labs and facilities where scientists, engineers, program managers, trainers, and other professionals take a multidisciplinary approach to problem solving. We are proud of what we do because our work matters. GTI Energy is focused on solving global energy challenges in transitioning to a low-carbon economy. We have a proven track record in producing creative and important intellectual property and commercializing solutions to deliver safe, clean, and reliable energy. At GTI Energy, we deliver innovative solutions that transform lives, economies, and the environment. At GTI Energy, Diversity, Equity, Inclusion, & Accessibility (DEI&A) is not only an important business priority, but it is also deeply rooted in our culture and values and something we celebrate every day. GTI Energy is an Equal Employment Opportunity/Affirmative Action employer. We offer generous benefits, competitive salaries, enticing incentives, career advancement, and the opportunity to work in a professional R&D environment committed to purposeful work. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

General Summary

We are seeking a detail-oriented and experienced Sr. Billing & Accounts Payable Specialist with a strong background in Department of Energy (DOE) regulations including Uniform Guidance (2 CFR 200), Federal Acquisition Regulation (FAR 31), and Cost Accounting Standards (CAS). Key focus areas for this position include preparing and processing billing, accounts payable, reconciliations, and project reporting in accordance with contractual requirements. This position requires exceptional organizational and communication skills, accuracy, and the ability to navigate government billing systems and guidelines.

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 an inclusive, diverse, and 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 has the flexibility to be either fully remote or hybrid at the GTI Energy Headquarters in Des Plaines, IL. The hybrid option offers a hybrid/core work week, where employees are remote Mondays and Fridays, and required to be on-site Tuesday through Thursday.

Primary Responsibilities

• Review and reconcile subrecipient billings and cost share for accuracy and compliance with federal cost principles, award requirements, and internal policies.


• Work collaboratively with subrecipients to resolve inconsistencies and problems identified within billings submitted.


• Respond to inquiries related to invoices, payments, and account balances promptly and professionally.


• Prepare and submit monthly invoices, accruals, and supporting documentation to DOE through VIPERS platform, ensuring accuracy and adherence to contractual and regulatory requirements. 


• Process cash receipts and subrecipient payments in accordance with approved policies and procedures.


• Maintain accurate records of all transactions related to DOE billings, accounts payable, and subrecipient cost share contributions.


• Prepare monthly and quarterly financial summaries of federal and cost share activity.


• Maintain a tracking log of all subrecipient and customer billing issues.


• Maintain copies of project budgets, reports, vouchers, reconciliations, etc. in an accessible, organized, well-documented, and auditable fashion.


• Prepare monthly bank reconciliations.


• Support the annual financial audit and for-profit federal award compliance audit as well as customer-specific audits by preparing assigned schedules and documentation.


• Perform other duties as assigned.

Required Knowledge, Skills, Abilities, and Other Characteristics

• Strong understanding of customer contract requirements, policies and procedures and regulatory requirements related to funding including Uniform Guidance (2 CFR 200), Federal Acquisition Regulation (FAR 31), and Cost Accounting Standards (CAS).


• Excellent oral and written communication skills and interpersonal skills. Coordination and communication with program managers, customers, subrecipients, auditors, and other key stakeholders is required.


• Well organized and detail oriented with a high level of accuracy.


• Microsoft Office proficiency Including Excel pivot tables and formulas.


• Ability to work well with internal and external stakeholders through both written and verbal interpersonal communication skills.


• Excellent problem-solving skills.


• Uses time effectively to accomplish goals/resolve problems.


• Must be comfortable with strict deadlines.


• Takes initiative to actively collaborate with others.


• Able to anticipate, identify, and define problems and root causes, and develop timely and practical solutions.

Education and Experience

• BA or BS in Accounting or Finance or equivalent combination of education and experience required.


• Minimum five years project accounting and grant/contract accounting experience.


• Experience with QuickBooks Online and Adobe Pro is preferred.


• Experience with complex Federal Government grants/contracts and knowledge of cost accounting principles of allowability, allocability, and reasonableness, along with characterization of direct and indirect costs, in compliance with Uniform Guidance (2 CFR 200), Federal Acquisition Regulation (FAR 31), and Cost Accounting Standards (CAS).

Pay Transparency

The salary range for this position is $60,000 - $95,000 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 HumanResources@gti.energy 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.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

The contractor will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. 41 CFR 60-1.35(c)

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