Senior Administrative Assistant

CesiumAstro; Austin (TX); On-site; USD 65,000 - 90,000; Full time

Benefits offered by this job

Stock options

Health, dental, vision

Retirement plans

Job summary

CesiumAstro, a leading developer of space communication systems, seeks a highly organized Senior Administrative Assistant to support day-to-day operations and act as the face of the company for employees and visitors.

The ideal candidate will have 7+ years in office administration, an associate degree (bachelor's preferred), and proven ability to manage calendars, travel, and vendor coordination in a fast-paced environment. Full-time role with comprehensive benefits.

Qualifications

• Minimum 7 years of office administration or receptionist experience.
• An Associate’s degree is required; a bachelor’s degree is preferred.
• Outstanding organizational skills and attention to detail.
• Experience managing complex travel arrangements and calendars.
• Proficient in Microsoft Office (Word, Excel, PowerPoint, Outlook).
• Strong telephone, communication, and interpersonal skills.
• Positive, flexible attitude with strong customer orientation.
• Ability to work in a team and build relationships.

Responsibilities

• Oversee day-to-day office operations for efficiency.
• Support senior leaders and teams with coordination and tasks.
• Greet visitors and set up conference rooms.
• Schedule meetings, manage calendars, and book travel.
• Maintain inventory of office supplies and catering.
• Coordinate with vendors and handle special ordering requests.
• Assist with coordination of contractors and facility projects.
• Complete expense reports for management.

Skills

Organization

Detail-oriented

Communication

Customer-oriented

Team collaboration

Multitasking

Education

Associate's degree

Bachelor's degree preferred

Tools

Outlook

Excel

PowerPoint

Job description

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 join our team. The Senior Administrative Assistant will play a crucial role in supporting the day-to-day operations of our organization. You will be the face of our company to our employees, visitors, and vendors. The ideal candidate will possess strong administrative skills, excellent communication abilities, and the ability to manage multiple tasks efficiently. This role requires someone who can work independently while also collaborating effectively with team members across multiple departments.

Job Duties And Responsibilities

• Oversee and coordinate day-to-day office operations to ensure efficiency and effectiveness.
• Support senior leaders, managers and employees on multiple teams through a variety of tasks related to organization, communication, and coordination.
• Greet all visitors and help set up conference rooms for meetings.
• Schedule meetings, manage calendars, and book travel.
• Order, organize, and maintain inventory of office supplies and drinks/snacks.
• Facilitate onsite catering for lunches and for special events such as board meetings or birthdays.
• Work closely with outside vendors and members across our team to assist with administrative tasks (shipping, etc.) and various special ordering requests (business card ordering, ad hoc gifts, etc.).
• Assist with coordination of contractors and service providers for work required in the facility ensuring projects are completed to requirements.
• Completing expense reports for designated members of management team.

Job Requirements And Minimum Qualifications

• A minimum of 7 years office administration and/or receptionist experience is required.
• Associate’s degree required, bachelor's degree preferred.
• Outstanding organization skills, with solid attention to detail and critical thinking.
• Prior experience managing complex travel arrangements and coordination of calendars for meeting management.
• Proficiency in Microsoft Office suite (Word, Excel, PowerPoint, Outlook).
• Strong telephone/communication and interpersonal skills.
• Positive "can do" attitude, must be flexible and accommodating with a strong customer orientation.
• The ability to work as part of a team and to build strong working relationships.

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.

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.