Staffing Systems: ATS (Bullhorn, JobDiva, Avionte, Crelate, or similar) | Billing / Invoicing: QuickBooks, Bill.com, electronic AP portals, invoice PDFs | Productivity: Microsoft Excel, Word, Outlook, Teams, SharePoint | Onboarding: I-9 / E-Verify, background-check coordination, benefits enrollment | Compliance: timesheet audit, expense validation, documentation retention | AI Assist: timesheet validation, billing automation, candidate communication. • Prepare, review, and submit invoices through the client's electronic Accounts Payable portal in accordance with billing specifications — including all required fields, supporting timecards, and approval documentation.