Seeking a skilled Administrative Assistant to support executive leaders and office operations in a Phoenix-based, onsite role. Responsibilities include planning meetings and events, coordinating travel, preparing expense reports, reconciling invoices, managing documents, and providing backup support. The ideal candidate has 5+ years of administrative experience, proficiency in Microsoft Office and video conferencing tools, strong organizational skills, and the ability to handle sensitive information discretely. Must be proactive, detail-oriented, adaptable, and a team player. Remote work is not available. The role emphasizes professionalism, confidentiality, and flexibility to perform various tasks as needed. External agency submissions require a signed agreement; unsolicited resumes will be considered company property.