Provide advanced administrative and coordination support to assigned executives, managers, departments, or project organizations; manage complex calendars, appointments, meetings, conference calls, and scheduling priorities; coordinate meeting logistics, agendas, briefing packages, attendance, rooms, technology, and follow-up actions; draft, edit, format, proofread, route, and maintain correspondence, reports, presentations, memoranda, spreadsheets, and other business documents; coordinate travel arrangements, itineraries, expense documentation, and related administrative requirements; receive and appropriately route communications, visitors, inquiries, and action items; monitor commitments, due dates, correspondence, and management actions; organize and maintain electronic and physical files and records in accordance with records-management requirements; support onboarding, personnel coordination, purchasing, supply, timekeeping, training, and other administrative processes as assigned; prepare reports, trackers, rosters, dashboards, meeting minutes, and status information; coordinate across internal organizations and external stakeholders; handle sensitive, proprietary, personnel, or business information with appropriate discretion; identify administrative issues and independently resolve routine matters within delegated authority; provide backup coverage and surge support to other administrative functions when required.