Office Administrator I

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.

JOB DUTIES AND RESPONSIBILITIES - Provide daily administrative support to assigned departments and business leaders, including correspondence, reports, presentations, and meeting materials.

- Coordinate calendars, meetings, conference rooms, travel arrangements, and other routine scheduling activities.

- Assist with data entry, expense reporting, recordkeeping, and administrative tasks in accordance with established procedures.

- Support daily office operations, including supply management, mail distribution, shipping and receiving, and general office coordination.

- Prepare meeting spaces, coordinate visitor logistics, and maintain common office areas to support business activities.

- Assist with facility-related requests, employee onboarding logistics, and routine office services in coordination with appropriate personnel.

- Maintain organized business records, administrative files, correspondence, and supporting documentation in accordance with company procedures.

- Prepare and update administrative templates, reports, operational records, and routine business documentation.

- Handle sensitive business information in accordance with established confidentiality and recordkeeping requirements.

- Respond to routine inquiries from employees, vendors, and external visitors while maintaining professional communication.

- Coordinate assigned administrative activities supporting departmental projects, operational initiatives, and business stakeholders.

- Identify routine workflow issues and support approved improvements to administrative procedures, office processes, and documentation practices.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS - Bachelor's degree in business administration, communications, office administration, or a related field with 0–2 years of related experience in administrative support, executive support, office administration, customer service, business operations, or a related field.

- Basic knowledge of administrative support, office operations, document preparation, scheduling, and business communication practices.

- Foundational understanding of administrative procedures, office workflows, records management, and documentation requirements.

- Familiarity with Microsoft Office applications, standard business productivity tools, and office equipment.

- Understanding of administrative coordination, task prioritization, scheduling requirements, and routine office support activities.

- Basic knowledge of business communication, professional interactions, confidentiality requirements, and sensitive information handling practices.

- Familiarity with document accuracy, recordkeeping, organizational procedures, and continuous improvement practices supporting efficient office operations.

- Document management and file sharing platforms, e.g. SharePoint, OneDrive, or equivalent applications.

- Scheduling, travel, and expense management systems, e.g. Concur, Navan, Outlook Calendar, or equivalent applications.

CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibi