AP/AR Specialist

Own the full AP cycle, including vendor onboarding, invoice intake, GL coding, PO/receiving matching, and payment runs via ACH, wire, and check. Process high-dollar hardware invoices against POs and BOMs, manage milestone-based construction payments to landlords and contractors, and enforce fraud controls like callback verification and dual approval on wires. Handle corporate card spend compliance and annual 1099 filings. Own end-to-end customer invoicing by translating commercial agreements into accurate billing for usage charges and escalators, calculate service credits based on uptime data, and track prepayments and deposits. Run collections, manage AR aging, and prepare billing schedules for revenue recognition workpapers. This detail-intensive role supports cash position trust and scaling operations for Rune's solar and wind power infrastructure, partnering daily with supply chain, site operations, and the commercial team.