The Administrative Assistant role involves providing comprehensive support to site leadership, managing calendars, scheduling meetings, supporting event logistics, and handling travel and expenses. Responsibilities include front desk duties, visitor management, office supplies, facilities coordination, and assisting with HR processes like onboarding. Candidates should have 2-3 years of relevant experience, strong organizational and communication skills, proficiency in Microsoft Office, and the ability to multitask and prioritize in a fast-paced environment. Aviation knowledge is a plus. This is an on-site, full-time contract position located in Hazelwood, MO, emphasizing exceptional customer service and collaborative support. The company values diversity and encourages applicants who meet most qualifications to apply.