# Senior Administrative Assistant

**CesiumAstro**

- **Location:** Austin, TX
- **Workplace:** On-site
- **Salary:** Not disclosed
- **Clearance:** None required
- **Eligibility:** US person or protected individual
- **Export control:** ITAR/EAR controlled
- **Visa:** Not specified
- **Discipline:** Other
- **Seniority:** Senior
- **Posted:** 2026-06-18

[Apply on CesiumAstro](https://jobs.lever.co/CesiumAstro/dce7ef8d-aa17-467f-8103-40518270cd76)
[View on Outerspace Today](https://terminal.outerspacetoday.com
/jobs/senior-administrative-assistant-cesiumastro-40518270cd76)

---

_**Please Note: **To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State._
At **CesiumAstro**, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.
We are looking to add a highly organized and detail-oriented **Senior Administrative Assistant** to support members of the senior leadership team at CesiumAstro. This role will serve as a dedicated partner, responsible for managing complex calendars, coordinating domestic and international travel, preparing executive materials, and ensuring seamless day to day support for senior leadership. The ideal candidate brings strong judgment, discretion, and the ability to operate effectively in a fast-paced, high-growth environment.

---
_Aggregated from the employer's public careers feed by Outerspace Today. Eligibility and pay fields are extracted for self-selection only; verify on the employer posting._