Responsibilities include managing administrative functions, answering calls, greeting visitors, maintaining files, coordinating meetings and events, tracking projects, assisting with RFIs and submittals, partnering with accounting for invoicing, and supporting marketing deliverables like proposals, project stories, and graphics. Qualifications include 3+ years of relevant experience, proficiency in MS Office, Adobe Creative Suite, project management software, strong communication skills, and the ability to prioritize in a fast-paced environment.