CesiumAstro

Designs satellite communications hardware and software

Office Administrator 1

Administrative SupportConfirmed live in the last 24 hours

Full-timeWestminster, CO, USAIn-person

About the Job

Requirements

A 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.
Familiarity with document management and file sharing platforms such as SharePoint, OneDrive, or equivalent applications.
Familiarity with scheduling, travel, and expense management systems such as Concur, Navan, Outlook Calendar, or equivalent applications.

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.

Salary Range: 68000 to 79000 (Currency: USD) (Pay period: per-year-salary)

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 Office Administrator I to our team. In this role you will support the day-to-day administrative operations of the company by coordinating office activities, maintaining business records, and providing administrative support that enables efficient business operations. This role contributes to organizational effectiveness by supporting scheduling, document management, office coordination, and operational processes while ensuring a professional and well-organized work environment.

Working cross-functionally with employees, managers, vendors, and business stakeholders, this role supports administrative operations, office logistics, meeting coordination, and general business activities while ensuring services align with organizational needs and established procedures.

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 responsibilities, a candidate’s work experience, education/training, and key skills. Full-time employment offers include company stock options and a generous benefits package including health, dental, vision, HSA, FSA, life, disability and retirement plans.

CesiumAstro is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.

Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.

About the Company

CesiumAstro

Designs satellite communications hardware and software

CesiumAstro builds end-to-end space and airborne communications systems, combining hardware and software to connect satellites, UAVs, and ground stations. Its products include active phased array antennas, software-defined radios, and complete RF payloads that enable electronically steered links for inter-satellite communication, high-rate downlinks, lunar communications, and 5G/NTN networks. The company ships plug-and-play, commercially manufactured, full-stack systems designed to be flexible and cost-efficient, rather than bespoke one-off solutions. Its goal is to make space-based connectivity more accessible and adaptable across space, air, and ground networks for both government and commercial customers.

Company size: 501-1,000
Company stage: Series D
Total funding: $1.6B
Headquarters: Bee Cave, TX
Founded: 2017

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