Role Description Interstates is growing and we are seeking a skilled Project Accounting Specialist to join our team. This position requires a general understanding of accounting principles and standards of the appropriate industry. The Project Accounting Specialist is to provide a high caliber level of service, including seeking and anticipating the needs of their assigned project manager(s) and/or clients. Responsibilities: - Project Setup & Maintenance: Set up new projects in the accounting system and maintain related ledger accounts. - Billing & Accounts Receivable: Prepare invoices, monitor payment status, coordinate with internal teams, and accurately code payments. - Monthly Accounting Support: Enter data and assist in completing recurring monthly accounting tasks. - Sales Tax Compliance: Research applicable tax rates and ensure accurate application to materials and projects. - Reporting & Data Compilation: Prepare basic financial reporting and data summaries. Qualifications - A.A. or B.S. in Accounting, Finance, Business, or equivalent experience. - Strong written and verbal communication skills. - Ability to effectively collaborate with internal and external stakeholders across multiple locations. - Proficient computer skills, including accounting systems and Microsoft Office. - Exceptional attention to detail and strong organizational skills. Requirements - This position offers a starting pay range of $23–$25 per hour, plus benefits. - Actual compensation will be based on job-related skills, experience, education, and training. - The posted range reflects the rate Interstates expects to offer in good faith at the time of posting. - This position can be fully remote or located at our Sioux Center, IA, Sioux Falls, SD, or Omaha, NE office locations as in office/hybrid. - The first week of employment will need to be in-person for onboarding/training at one of our office locations. - Occasional travel may be required (up to 10%) to collaborate with teams. Benefits - Competitive pay. - Bonus incentives. - 401(k). - Health, Vision, and Dental Insurance. - PTO and Holiday Pay. - Disability and Life Insurance. - Parental Leave. - Advancement Opportunities.

• Lead and actively participate in the monthly, quarterly, and annual close processes. • Review and prepare journal entries, account reconciliations, and supporting schedules. • Ensure timely and accurate preparation of internal financial reporting packages. • Analyze financial results and investigate significant variances. • Partner with the Controller to support management reporting and ad hoc financial analysis. • Supervise, mentor, and develop 1–2 direct reports. • Review work product for accuracy and completeness while promoting professional growth. • Assist in establishing priorities, workflows, and performance expectations for the accounting team. • Foster a culture of accountability, collaboration, and continuous improvement. • Oversee general ledger integrity and balance sheet reconciliations. • Support accounts payable, accounts receivable, fixed assets, prepaid expenses, accruals, and other accounting processes as needed. • Ensure compliance with U.S. GAAP and company accounting policies. • Assist with revenue recognition and other technical accounting matters as applicable. • Identify opportunities to improve accounting processes, controls, and efficiencies. • Support accounting integration of acquired businesses, including chart of accounts mapping, balance sheet validation, and post-close transition activities. • Serve as a key user within the Sage Intacct ERP environment and help optimize reporting and workflows. • Support automation initiatives and system enhancements as the company continues to grow. • Assist with the integration of acquisitions, new business lines, or operational changes when applicable. • Coordinate and support external audit activities. • Assist with lender reporting, PE sponsor requests, and other stakeholder deliverables. • Support the maintenance and enhancement of internal controls. • Ensure compliance with corporate policies and regulatory requirements.

• Account for inventory under US GAAP and in accordance with company accounting policies • Review material dropship costs, freight, and fulfillment cost journal entries • Review and approve weekly dropship vendor invoices • Prepare monthly inventory-related balance sheet account reconciliations • Perform flux analysis on respective balance sheet and P&L accounts • Execute completion of all month/quarter/annual close processes timely and in adherence to close calendar • Partner with FP&A on budget/forecast and close results • Partner with Supply Chain/Ops on developing/revising processes and policies and providing/understanding actual results, etc. • Understand physical inventory processes and counts • Perform inventory analysis to determine appropriate reserve and methodologies for shrink and excess/obsolete/slow-moving inventory • Perform analysis and provide insight into account balance details and drivers of change, particularly around material costs and freight • Support external audit by providing timely and accurate support schedules as requested • Continuous evaluation and identification of process improvements • Cultivate strong partnerships with Accounting, Finance, Supply Chain/Ops, and other functions • Mentor and develop junior staff members • Conduct ad-hoc analysis and tasks as requested • Handle special projects related to technology, systems, automation, new initiatives, or other requests • Provide support to other general accounting functions outside of inventory as business needs evolve, offering opportunities to broaden exposure across the accounting organization

• Own the product vision and roadmap for Rentvine's trust accounting engine — the ledger, reconciliation flows, month-end close, and compliance guardrails that property managers depend on daily. • Drive improvements to the monthly accounting workflow, reducing approval friction and surfacing anomalies earlier while preserving human oversight on high-value transactions. • Deeply understand property management accounting regulations and proactively shape features that keep Rentvine ahead of compliance requirements. • Own the end-to-end experience for accounts payable and receivable, including vendor payments, owner distributions, and tenant billing. • Identify friction in the disbursement workflow and deliver features that improve speed, accuracy, and transparency for property managers and their owners. • Work closely with customers to understand real-world pain points around payment timing, exceptions handling, and reporting. • Partner with Rentvine's AI Pod to identify high-value automation opportunities within accounting — from intelligent transaction categorization to anomaly detection to assisted reconciliation. • Define where AI creates genuine leverage (reducing tedious manual work, catching errors) vs. where human judgment must remain in the loop.