Sr. Accounts Payable Specialist

The Sr. AP Specialist is responsible for the accurate timely and compliant processing of vendor invoices with a strong focus on purchase order (PO) matching projectâbased accounting and grantâfunded expenditures. This role serves as a subjectâmatter expert for complex AP transactions supports monthâend close activities and partners closely with Procurement Project Management and Grants teams to ensure financial accuracy and compliance with internal controls and external regulations.

GTI Energy is where complex energy challenges meet bold solutions. With expertise in energy research technology development and business innovation partners across every sector trust us to build and demonstrate solutions for better-performing energy systems. Guided by systems thinking collaboration and innovation we are focused on driving progress that matters for people everywhere.

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.

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.

Key Primary Responsibilities

• Perform end to end processing of vendor invoices including high volume and complex transactions
• Execute 2 way and 3-way PO matching (invoice PO and receipt) investigating and resolving variances related to pricing quantity and terms
• Ensure invoices are properly coded to general ledger accounts projects cost centers and grants
• Review and validate supporting documentation to ensure compliance with company policies and audit standards
• Process weekly or biweekly payment runs (ACH wire check)

• Accurately allocate expenses to capital projects operational projects and grant funded initiatives
• Ensure invoice charges align with approved project budgets funding sources and grant agreements
• Monitor allowable vs. unallowable costs under grant regulations and funding requirements
• Support grant reporting audits and reconciliations including preparation of documentation for internal and external auditors
• Coordinate with Project Managers and Grants Administrators to resolve discrepancies and ensure timely cost recognition

• Maintain strict adherence to internal controls segregation of duties and approval workflows
• Assist with month end quarter end and year end close including accruals and AP reconciliations
• Support internal and external audits by providing detailed documentation and responding to inquiries
• Ensure compliance with GAAP and applicable grant and regulatory requirements

• Serve as a primary point of contact for vendors regarding PO related questions and payment issues
• Collaborate with Procurement/Purchasing on vendor setup PO accuracy and contract compliance
• Provide guidance and training to junior AP staff on PO matching project coding and best practices
• Identify opportunities to improve AP processes automation and reporting
• Perform other duties as assigned

• Demonstrated expertise in POâbased invoicing and 3âway matching
• Handsâon experience with project accounting and grantâfunded expenses
• Strong knowledge of AP controls invoice auditing and expense allocation
• Proficiency with ERP systems; preferably Deltek Costpoint (e.g. Oracle SAP Workday NetSuite or similar) and advanced Excel skills
• Excellent analytical organizational and problemâsolving abilities
• Strong communication skills with the ability to work crossâfunctionally
• Strong internal and external customer service professionalism

• Bachelors degree in Accounting Finance or a related field (or equivalent experience)
  • 5 years of Accounts Payable experience including seniorâlevel or lead responsibilities

The salary range for this position is $70000 - $80000 USD annually. This salary range is GTI Energys good faith estimate and the actual salary may vary based on a number of factors including but not limited to GTI Energys business or organizational needs and an individuals 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 Energys total compensation package for employees. Other rewards may include annual bonuses paid time off and region-specific benefits.

GTI Energy is committed to developing a barrier-free recruitment process and work environment. If you require any accommodation please e-mail us atand well 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.

Required Experience:

Senior IC