Demo

Administrative & Technical Support Assistant

Celestar Holdings Corporation
San Antonio, TX Full Time
POSTED ON 12/24/2025
AVAILABLE BEFORE 1/23/2026
The Celestar Corporation has an IMMEDIATE NEED to identify an Administrative Assistant who will be seated in San

Antonio, TX. Please review the position description below. If interested and qualified, we welcome you to apply for this challenging opportunity.

CLEARANCE/ACCESS: Active Secret Level Clearance; Clearance must appear in DISS, and be within scope.

Responsibilities

  • Records and file management
  • Employee in- and out-processing
  • Assist in managing DOD, DSS, and local office policies and programs.
  • Support the field office chief in scheduling.
  • Correspondence drafting and routing
  • Travel planning (Defense Travel System (DTS))
  • Conference room coordination
  • Office equipment and supply inventory maintenance
  • Government timecard program (DAI) management
  • Receipt and routing of office mail/correspondence.
  • Management of the task management (CATMS) system
  • Assist in the execution of the office training program.
  • Responsible for inputting and managing databases as directed.

Requirements

  • High School Graduate with two (2) years of administrative experience
  • Active Secret Level Clearance

Preferred Qualifications

  • Proficiency in Microsoft applications, particularly Word, Excel, and Outlook
  • Familiarity with the Defense Travel System and timekeeping management programs is a plus

IMPORTANT NOTE: This is a Best Athlete Selection Process! With this in mind, please ensure that the required and/or desired experience is reflected on your resume to receive fair and competitive consideration.

Come on board with a company that values its Employees!

Celestar, a Veteran-Owned Company, is Very Competitive with Salaries and Benefits. As an example, we offer Company Paid Benefits that include Employee and Family Dental Insurance, Employee Health Insurance. We also offer a 401k retirement company match, paid Holidays, and Personal Time Off.

Celestar is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, age, protected veteran status, disability status, gender identity or national origin.

Salary.com Estimation for Administrative & Technical Support Assistant in San Antonio, TX
$49,497 to $61,276
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