Reception and Office Administrator

About Tempo Based in San Diego, California, Tempo develops thermochemical energy storage (TCES) systems designed for energy-intensive industries. The platform enables industrial operators to shift energy use over time by sourcing power when it is most cost-effective and enables the electrification of high-temperature industrial heat at a cost advantage to using fossil fuels. By storing electricity thermochemically, the system delivers a continuous stream of combustion-free, high-temperature air at up to 1,200°C. Tempo is backed by leading climate and energy investors, including Breakthrough Energy Ventures, Khosla Ventures, and Prelude Ventures. For more information, visit www.tempoenergy.com . Job Description We are seeking a dynamic and resourceful Reception & Office Administrator to join our rapidly growing startup. As we develop cutting-edge products for our thermochemical energy storage systems in our engineering and research facilities, we need someone who can keep our team and our day-to-day operations running smoothly and efficiently. This is a vital multi-faceted role. You will be the face of the company at the front desk while simultaneously acting as the administrative engine for our leadership team. The ideal candidate is a master of first impressions who is equally comfortable managing complex travel itineraries, scheduling high-priority meetings, and ensuring our engineering facility runs smoothly. Key Responsibilities Serve as the primary point of contact for all visitors and deliveries. Maintain a professional, organized, and welcoming reception area while directing guests to the appropriate host. Provide direct administrative assistance to the leadership team, including managing calendars, proactively scheduling internal/external meetings, and coordinating complex domestic and international travel arrangements. Coordinate meeting logistics, including room booking (virtual/physical) and required technology. Take ownership of ordering and coordinating