Service Billing Specialist

DescriptionAbout INNIO Group:INNIO Group is a global distributed energy solutions provider that delivers reliable, flexible, transient, decentralized, modular and efficient power. With a track record of innovation, INNIO designs, manufactures and services high‑performance power systems under its Jenbacher and Waukesha brands. The company delivers power for applications including data centers, microgrids, grid stabilization, industrial energy and gas compression.  INNIO operates a global installed base across approximately 100 countries as of December 31, 2025, supported by a resilient, high‑margin services business that delivers long‑term, recurring revenues across the full equipment lifecycle.

As electricity demand accelerates—driven by AI, electrification and grid constraints—INNIO enables scalable, behind‑the‑meter power generation with high efficiency, fast start capability, strong transient performance and fuel flexibility, including hydrogen‑ready solutions. INNIO employs over 5,000 people worldwide and is committed to moving energy forward. Position Overview:The Billing Specialist / Customer Service role supports the North America Service Department with a primary focus on billing administration, invoice processing, and customer service support activities. This position is responsible for reviewing service documentation, validating billing information, coordinating purchase order processes, and ensuring the accurate and timely generation of invoices for planned and unplanned service activities.This is an onsite daily position in Houston, TX. Responsibilities:Generate, review, and process invoices for planned and unplanned service activities, ensuring accuracy and compliance with company policies and customer requirementsReview purchase orders, quotations, service reports, labor hours, travel hours, expenses, bills of sale, and supporting documentation to ensure billing accuracyVerify that customer purchase orders, approved quotations, and invoiced amounts align prior to invoice submissionCollaborate with billing teams to support invoicing processes and maintain data accuracy within Oracle and related systemsPartner with customer service managers, service managers, and work preparation teams to obtain required documentation and resolve billing discrepanciesInvestigate and resolve invoice, purchase order, and service documentation discrepancies to support customer satisfaction and timely paymentAdminister the full lifecycle of internal and external purchase orders, including review, tracking, and record maintenanceMaintain accurate customer records, billing information, account details, and supporting documentationTrack contractual billing milestones and invoicing requirements to ensure billing activities occur in accordance with customer contracts and agreementsEvaluate billing data and reports to identify trends, discrepancies, and opportunities for process improvementsMaintain comprehensive records of customer interactions, billing activities, and resolution actions to support audit and compliance requirementsCoordinate with regional teams to ensure invoice alignment and timely submission for payment processingSupport customer inquiries and service-related administrative activitiesOrganize department meetings, customer visits, training events, team functions, and related logistics, including hotel accommodations, catering, and event coordinationAssist with maintaining service databases, departmental records, and process documentation.Support additional administrative and office functions as assignedRequirements:Bachelor's degree in Accounting, Finance, Business Administration, Operations, or a related fieldMinimum of two (2) years of experience in billing, invoicing, customer service support, sales support, operations support, accounts receivable, or a related business functionExperience reviewing purchase orders, quotations, invoices, contracts, or other financial and service-related documentationExperience supporting service, industrial, manufacturing, energy, equipment, or other technical business environments preferredExperienced with using Oracle desired Proficiency in Microsoft Office: Word, Excel, PowerPoint, & Outlook Must be legally authorized to work in the United States without current or future sponsorshipKnowledge, Skills & Abilities:Strong understanding of billing, invoicing, purchase order administration, and customer support processesKnowledge of basic accounting principles, financial documentation, and contractual billing requirementsExceptional attention to detail with the ability to identify and resolve discrepanciesStrong analytical and problem-solving skills with the ability to investigate complex billing issuesExcellent organizational, time management, and prioritization skillsAbility to manage multiple assignments and meet critical deadlines in a dynamic environmentStrong verbal and written communication skills with the ability to collaborate across multiple departmentsAbility to build effective working relationships with customers, billing teams, service personnel, and cross-functional stakeholdersSelf-motivated and proactive with a willingness to ask questions, seek clarification, and drive issues to resolutionAbility to maintain confidentiality and handle sensitive customer and financial information appropriatelyProactive mindset with the ability to identify gaps, support problem-solving efforts, and contribute to process improvementsAbility to work in an office-based environment at a computer for extended periodsOccasional walking, standing, and movement during work shift INNIO offers a great work environment, professional development, challenging careers, and competitive compensation.

INNIO is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national or ethnic origin, gender (including pregnancy), sexual orientation, gender identity or expression, age, disability, veteran status or any other characteristics protected by law.