Transforming the Future of Enterprise Planning At o9, our mission is to be the Most Value-Creating Platform for enterprises by transforming decision-making through our AI-first approach. By integrating siloed planning capabilities and capturing millions—even billions—in value leakage, we help businesses plan smarter and faster. This not only enhances operational efficiency but also reduces waste, leading to better outcomes for both businesses and the planet. Global leaders like Google, PepsiCo, Walmart, T-Mobile, AB InBev, and Starbucks trust o9 to optimize their supply chains. Sr. Administrative Assistant We’re seeking a highly professional and detail-oriented Sr. Administrative Assistant to provide comprehensive support to our C-Suite executives and ensure smooth day-to-day operations in our Dallas office. This role requires exceptional organizational skills, discretion, and the ability to engage confidently with internal and external senior-level stakeholders - including investors, board members, and executive leaders from partner organizations. In addition to executive support, this individual will assist with general office administration, collaborating closely with our Office Manager to maintain a welcoming and efficient workplace. What you’ll do for us… Executive Support Provide administrative support to C-Suite executives, including calendar management, meeting coordination, travel arrangements, and expense reporting. Serve as a primary point of contact for internal and external senior stakeholders, demonstrating professionalism and discretion at all times. Coordinate meetings with investors, board members, and external partners, including managing complex scheduling and logistics. Prepare and edit correspondence, communications, and presentations on behalf of executives. Ensure confidentiality in handling sensitive information and executive communications. Office Administration Support the Office Manager with administrative and facility-related tasks, including office supplies, vendor coordination, and meeting setup. Serve as a reliable on-site presence to support day-to-day office operations and assist with internal events or meetings as needed. This is a fully in-office position. You will be expected to be in the o9 office during normal business hours except when you are on approved leave.