Executive Assistant to CEO

Executive Assistant to the CEO – Finance & Operations

Kearyn, NJ – Full‑time, On‑site

About Thea Energy: Thea Energy is leveraging recent breakthroughs in stellarator physics and engineering to create a faster and simpler approach to commercializing fusion energy. The company is reinventing the stellarator using computer‑controlled arrays of planar coils thereby replacing the intricate, complex modular magnets required in all other stellarator architectures. Thea Energy is on a mission to create a limitless source of zero‑emission energy for a sustainable future.

We’re hiring an Executive Assistant to the CEO to keep the CEO focused on Thea Energy's highest priorities and ensure their days run smoothly. You’ll lead complex calendar stewardship, coordinate mission‑critical logistics, and partner closely with the CEO, Chief of Staff, and Company leadership to create clarity, flow, and follow‑through across internal and external engagements. This is an in‑person role with regular collaboration across executive leaders and staff.

As the executive assistant to the CEO, you will provide critical support across a variety of operational tasks. In this role, you’ll own the CEO’s calendar and inbox, drive scheduling and follow‑up across a network of team members, investors, and partners, and serve as a true operational partner, keeping a high‑output founder focused on what matters most. Someone with strong EQ, the confidence to manage up and push back with good judgment, and experience supporting a CEO.

The ideal candidate will be highly organized, possess excellent communication skills, and thrive in the fast‑paced environment of a rapidly scaling company.

• Calendar:
  Manage and maintain calendars, including scheduling meetings and trips; collaborate to align time usage with company priorities; ensure the team is always prepared.
• Communication:
  Serve as a point of contact between the executive team and internal/external stakeholders; manage and triage inbound communications; draft, proofread, and edit documents, reports, and communications.
• Coordination:
  Track action items and follow‑ups, ensuring nothing falls through the cracks; arrange trips, events, team meetings, and off‑site activities as required.
• Other special projects as required.

• 7+ years experience supporting CEOs in high‑growth organizations.
• Demonstrated organizational skills and attention to detail; highly structured and process‑driven with a speed and execution mindset.
• Ability to manage competing priorities across internal teams and external stakeholders.
• Excellent oral, written, and interpersonal communication skills.
• Startup experience strongly preferred; comfort with ambiguity; ability to thrive in a fast‑paced, dynamic environment.
• Proactive, self‑directed, and solutions‑oriented.
• Tech‑savvy: fluent in Microsoft Office, Google Workspace, Slack, Asana, and similar tools; quick to learn new software.
• High integrity, discretion, and professionalism in handling confidential and sensitive information.
• Bachelor’s degree or greater.

• Salary range $125,000–$165,000
• Comprehensive health benefits (medical, dental, vision)
• Employee equity stock options
• 20 days PTO

It’s not necessary to meet all of the skillsets outlined above. Please feel free to send us a note and tell us why you would still be a great fit for this role or Thea Energy.

Thea Energy is an equal‑opportunity employer committed to creating a company of diverse backgrounds. We pursue a diverse environment to bring new ideas and approaches to solving some of the world’s hardest (and most important) problems. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, sexual orientation, gender identity or expression, national origin, family or marital status, age, disability, veteran’s status, or any other characteristic protected by applicable laws and regulations.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.