Demo

Administrative Assistant

TTL, Inc.
San Antonio, TX Full Time
POSTED ON 6/19/2026
AVAILABLE BEFORE 7/17/2026
Founded in 1964, TTL is an engineering design firm focused on delivering integrated infrastructure solutions for public and private clients. From site and corridor selection to due diligence, design, and construction services, TTL is a trusted partner providing single-sourced custom solutions for complex infrastructure development. With more than 500 team members across the Southern United States, TTL provides a wide range of services including civil and geotechnical engineering; transportation design and CEI; environmental consulting and remediation; construction materials engineering and testing; and surveying, GIS and mapping services.

At TTL, we are driven to serve our clients, driven to serve our communities, and driven to serve each other. TTL not only provides a great work/life balance, but we provide excellent employee benefits such as a robust health & dental plan, vision, 401(k), flexible spending accounts, and generous paid time off (PTO) accrual.

For more information, please go to www.ttlusa.com .

Administrative Assistant – San Antonio, TX

TTL is searching for a full-time Administrative Assistant to perform admin tasks to support our San Antonio office. This role will assist the Office Manager in facilitating the orderly and business-like operation of the office. Typical duties include working closely with project management staff and the corporate accounting department on timekeeping, projects, billing, schedule tracking, and maintaining department calendars. Additional duties include receptionist tasks including phone coverage, greeting clients and guests, and set up for client meetings. This position will report to the Office Manager and assist all departments as needed.

Responsibilities Include

A comprehensive list of all duties and responsibilities is not possible, but the list below provides a good indication:

  • Proofread, format, and assemble reports with attention to detail and accuracy.
  • Provide general administrative support, including answering phones, scheduling meetings, and maintaining organized filing systems.
  • Support accounting functions such as project setup, and accounts payable.
  • Assist with onboarding tasks and support new hire orientation.
  • Maintain office supplies, restock PPE and kitchen items, and manage mail and deliveries.
  • Coordinate facility maintenance and office equipment service calls.
  • Prepare and distribute project documentation and client correspondence.
  • Ensure a clean, organized workspace and uphold confidentiality of sensitive information.
  • Interact professionally with clients, visitors, and team members.
  • Help manage travel logistics, including hotel reservations and receipt tracking.
  • Operate and troubleshoot office machines (printers, copiers, binding machines, etc.).
  • Support compliance with safety protocols and company policies.

Qualifications

  • High school diploma or GED required
  • 2 years of administrative or related experience preferred
  • Proficient in Microsoft Word. Experience with Excel, PowerPoint, and Teams is a plus
  • Strong communication, proofreading, and organizational skills
  • Professional appearance and demeanor with the ability to work independently and handle multiple tasks
  • Detail-oriented, adaptable, and capable of shifting priorities as needed
  • Able to perform light physical tasks such as lifting, bending, and filing

Job Type: Full-time

This position is subject to a pre-employment drug and motor vehicle record check.

TTL is an EEO/AAP employer.

Monday to Friday 8AM-5PM

Salary.com Estimation for Administrative Assistant in San Antonio, TX
$41,631 to $51,310
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Administrative Assistant?

Sign up to receive alerts about other jobs on the Administrative Assistant career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$42,423 - $53,300
Income Estimation: 
$49,359 - $62,131
Income Estimation: 
$40,950 - $50,639
Income Estimation: 
$49,359 - $62,131
Income Estimation: 
$59,158 - $74,794
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at TTL, Inc.

  • TTL, Inc. Memphis, TN
  • Want to know more about the demands of this job? Click here: https://www.youtube.com/watch?v=T3n2Oi4-hP4 Remember how fun it was spending hours in the dirt... more
  • 3 Days Ago

  • TTL, Inc. Tuscaloosa, AL
  • Founded in 1964, TTL is an engineering design firm focused on delivering integrated infrastructure solutions for public and private clients. From site and ... more
  • 4 Days Ago

  • TTL, Inc. Hoover, AL
  • Founded in 1964, TTL is an engineering design firm focused on delivering integrated infrastructure solutions for public and private clients. From site and ... more
  • 5 Days Ago

  • TTL, Inc. Nashville, TN
  • Founded in 1964, TTL is an engineering design firm focused on delivering integrated infrastructure solutions for public and private clients. From site and ... more
  • 6 Days Ago


Not the job you're looking for? Here are some other Administrative Assistant jobs in the San Antonio, TX area that may be a better fit.

  • District Wide - Assistant Principal New, TX
  • Please Note: This posting is for potential openings and may or may not be filled based upon District need. Primary Purpose: Assist the school principal in ... more
  • 1 Month Ago

  • District Wide - Assistant Principal New, TX
  • Please Note: This posting is for potential openings and may or may not be filled based upon District need. Primary Purpose: Assist the school principal in ... more
  • 1 Month Ago

AI Assistant is available now!

Feel free to start your new journey!