Executive Assistant

About the role

Our Chief Financial Officer is looking for a dynamic and expert Executive Assistant to join us on an exciting journey. This is a high-exposure role that demands a high-performing and radically optimistic individual. You will be managing relationships with our investors, advisors, government partners, allies and more. You'll work closely with our C-suite daily, owning their calendars, internal/external relationships and meetings, briefings, travel, and various other responsibilities. You'll get intimately familiar with what it means to be a founder and executive of a growing clean energy technology startup. This role offers expansive responsibility, ownership, and growth opportunities, optimizing our executives' impact as we scale to mass-production of Kaleidos. Responsibilities & Duties: Build trust and rapport with the C-suite, their senior leadership, and Board of Directors, with the ability to influence and negotiate when necessary. Anticipate C-suite needs and potential conflicts and handle independently or pull together the right stakeholders to resolve quickly. Manage daily schedules, coordinate logistics for all meetings, both internal and external, being proactive about conflicts and understanding priorities for the C-suite. Draft and edit emails, memos, and other communications on behalf of the C-suite. Triage and prioritize asks from internal team members and external partners. Schedule and coordinate logistics for speaking engagements, conferences, or other special events, onsite and offsite. Work cross-functionally to ensure communication is efficient and clear between teams. Ensure the C-suite is equipped with the necessary technology and support, coordinating with IT for any technical needs or issues. Create, scale and own processes for the executive office. Exercise strong judgment and discretion with highly confidential information. Handle administrative tasks such as ordering lunch, planning business travel, processing expenses, time checks for meetings, note-taking at meetings, etc. Provide occasional executive assistant support to VP-level leaders Required Qualifications & Skills: Bachelor's degree in business administration, communications, or a related field preferred. 5+ years of experience supporting one or more C-level executives in a high-growth, fast-paced environment. Ability to anticipate the needs of C-level executives and address them proactively. Laser-focused organizational skills, with a strong ability to juggle multiple tasks and priorities seamlessly without sacrificing quality. Exceptional written and verbal communication skills, including the ability to tailor succinct communication for various audiences, respond promptly across multiple platforms (Slack, Outlook, text/phone), and digest large amounts of information to take action. Expert at building relationships across all levels of the organization and external partners, providing excellent service to internal and external stakeholders, ensuring positive interactions. Strategic thinking with a keen eye for detail and problem-solving. Advanced proficiency in office software (e.g., Microsoft Office Suite, Google Workspace) and collaboration tools (e.g., Slack, Zoom, Smartsheet) and adept at adopting new technologies. Discretion and confidentiality. Desired Qualifications & Skills: Prior Executive Assistant experience in a hardware or software engineering startup, finance, or goods and services distribution is strongly preferred. Autonomous, entrepreneurial, and self-motivated - you don't wait for someone to tell you what to do because you've already done it. Intellectually curious and ambitious - excited to learn about our technology, grow our business, and advance your career at Radiant. High level of professionalism, integrity, and reliability, with a commitment to upholding the company's values and reputation. Additional Requirements: Must be willing to work extended hours and weekends as necessary to accomplish our mission. Must work 100% onsite at El Segundo HQ. Benefits and Perks Stock: Substantial incentive stock plan for all full-

Benefits

Additional Information

About Radiant Radiant is an El Segundo, CA-based startup building the world's first mass-produced, portable nuclear microreactors. The company's first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5 years without refueling. Portable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant's unique, practical approach to nuclear development leverages modern software engineering to rapidly deliver safe, factory-built microreactors that use existing, well-qualified materials. Founded in 2020, Radiant is on track to test its first reactor at the Idaho National Laboratory this summer, with initial customer deliveries beginning in 2028.

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