 Supported approximately 355 employees across the U.S.A. Maintain calendar and email correspondence for COO, V.P. Business System, and meeting rooms. System administrator for creating employee accounts, assigning device(s), and disabling accounts for external and internal customer portals. Managed invoices and purchase requisitions for supplies, equipment, and machinery. Plan and organize travel, meetings, and events. Worked with cross-functional teams to lead, manage, and support projects. Created and presented documents to internal/external stakeholders. Review, verify data and advise on military government and commercial/defense aerospace contracts. Manage HRIS system, including but not limited to onboarding, payroll, time off requests, expense reimbursements, and documents for termination, performance reviews & wage changes.