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  4. Administrative Assistant

Onsite Administrative Assistant jobs in San Antonio, Texas, USA

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  • Sun
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      Sarah Jenkins

    • 2:30 PM - 3:00 PM

      Initial Interview

      Alex Chen

  • Mon
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      Product Manager Interview

      David G. (Hiring Manager)

    • 4:15 PM - 5:15 PM

      First Round Interview

      Sophie L.

  • Tue
    • 1:20 PM - 1:45 PM

      Introductory Interview

      Marta W.

    • 2:30 PM - 3:00 PM

      Kick-off Interview

      Daria (HR)

  • Wed
    • 1:00 PM - 1:45 PM

      Qualifying Interview

      James Miller

    • 5:30 PM - 6:00 PM

      Discovery Interview

      Chris V.

  • Thu
    • 2:30 PM - 3:00 PM

      First Interview

      Michael T.

    • 4:00 PM - 5:00 PM

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Administrative Assistant Jobs in San Antonio, TX — Join a Growing On-Site Team

San Antonio companies are actively expanding their support teams, and 447 on-site administrative assistant openings are now available for motivated professionals. This growing market offers steady demand for organized, detail-oriented talent ready to contribute to dynamic office environments. Employers across the city are seeking candidates who can start promptly and thrive in a collaborative, in-person setting.

The strongest candidates for administrative assistant positions bring excellent communication skills, proficiency in scheduling and office software, and the ability to multitask under pressure. Employers value professionals who can manage correspondence, coordinate meetings, and maintain organized filing systems while supporting multiple team members simultaneously. Adaptability, discretion with sensitive information, and a proactive attitude toward problem-solving set top applicants apart in this competitive field, making it easier for hiring managers to hire a administrative assistant who truly fits their culture.

On-site work remains the standard for administrative assistant roles in San Antonio, as many companies prioritize in-person collaboration for scheduling, document handling, and team coordination. The local job market shows consistent demand, driven by the city's expanding business and healthcare sectors, which continue to rely on dependable administrative support. This steady need for administrative assistant vacancies reflects San Antonio's broader economic growth and its appeal to professionals seeking stable, long-term office careers.

If you're ready to take the next step in your career, explore current administrative assistant jobs in San Antonio through Global Work AI. Our platform connects skilled professionals with employers actively hiring for these in-demand administrative assistant positions. Start your search today and discover an opportunity that matches your experience and goals.

Frequently Asked
Questions

Everything you need to know about
finding your next role
  • What is the average salary for an administrative assistant in San Antonio?

    In San Antonio, pay for an administrative assistant typically falls near the lower-to-mid range for Texas metro areas, often around the low $40,000s per year, though exact offers vary by employer, industry, and experience. Large employers, medical offices, and professional firms may pay more, especially for candidates who handle calendars, reports, and client-facing tasks. Benefits can also affect total compensation. Reviewing current San Antonio postings and comparing similar office support roles is the best way to gauge today’s market.
  • What skills are required for an administrative assistant job?

    Strong organization is only one part of the picture. Employers in Texas usually want an administrative assistant who can manage scheduling, handle email and phone communication, prepare documents, and stay calm when priorities shift. Proficiency with Microsoft Office or Google Workspace is expected, along with accurate data entry and basic bookkeeping support in some offices. Clear writing, discretion, and customer service matter as well. If you’re updating your resume, match these skills to the tools and duties listed in local openings.
  • What qualifications do employers look for in an administrative assistant in Texas?

    Most employers in Texas look for a high school diploma or GED, plus some office or clerical experience. For an administrative assistant in San Antonio, a college credential can help, but it is not always required unless the role is specialized. Familiarity with scheduling software, spreadsheets, and document handling is often valued. Bilingual ability, especially English and Spanish, can be an advantage in many local workplaces. Checking job descriptions side by side will help you see which credentials are preferred versus required.
  • What are the main responsibilities of an administrative assistant in an office environment?

    Day-to-day work usually centers on keeping the office organized and communication flowing. An administrative assistant may answer calls, greet visitors, schedule meetings, prepare correspondence, file records, order supplies, and support managers with reports or travel arrangements. In some San Antonio offices, the role also includes invoice processing, data updates, and coordination with vendors or clients. The exact mix depends on the company size and industry, so it helps to compare a few listings to understand how the position is defined.
  • What does the hiring process look like for an administrative assistant position?

    The process usually starts with an online application and a resume that shows relevant office support experience. Many employers then use a phone screen, followed by one or two interviews focused on communication, software skills, and handling busy schedules. Some San Antonio companies may ask for a practical task, such as formatting a document or organizing calendar entries. References and background checks are also common. Reviewing the posting closely can help you prepare for the most likely questions and assessments.
  • What are the typical work hours and office conditions for an on-site administrative assistant?

    Most on-site positions follow standard weekday hours, often close to 8 a.m. to 5 p.m., though some offices in San Antonio may need earlier starts, evening coverage, or occasional overtime during busy periods. The environment is usually a front-office or general business setting with regular computer work, phone use, and interaction with staff or visitors. You may spend much of the day at a desk, but tasks can shift quickly. It helps to check each employer’s schedule expectations before applying.
  • How can an administrative assistant grow into higher-level office or executive support roles?

    Career growth often comes from broadening skills beyond routine clerical work. An administrative assistant can move into senior office support, executive assistant, or office coordinator roles by mastering advanced scheduling, meeting preparation, project tracking, and confidential communication. In Texas employers often notice candidates who learn new software, take on reporting duties, and work well with leadership teams. Certifications or additional coursework can also help. Watching for openings that add responsibility is a practical next step when planning a longer office career.

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447 jobs found

  • St. Mary's University

    St. Mary's University

    Today

    Part time administrative assistant - honors program

    The position will provide administrative support for the Honors Program and is a 12-month in-person position. The position cannot exceed 24 hours per week. The 24 hours per week will be distributed...

    onsite, San Antonio, TX, United States
    Part TimeJunior (<2 years)
  • AEG Vision

    AEG Vision

    Today

    Assistant manager

    About AEG At AEG, we're building something bigger than great eye care, we're creating careers, developing leaders, and making a meaningful difference in the communities we serve. You'll join a team...

    onsite, San Antonio, TX, United States
    Full TimeJunior (<2 years)
  • Behavioral Innovations

    Behavioral Innovations

    Today

    Assistant center administrator

    Overview Assistant Center Administrator Clinic-Based ABA Therapy Behavioral Innovations – San Antonio - Woodlake Treatment Center Mission: The mission for this role is to seek influential leaders...

    onsite, San Antonio, TX, United States
    $48k/yrFull TimeJunior (<2 years)
  • Sage Haus

    Sage Haus

    a day ago

    Household manager & family assistant

    Household Manager & Family Assistant Location: San Antonio, TX 78258 Employment Type: Part-Time | 10-15 hours per week Proposed Schedule: Flexible weekday hours across approximately 3-4 days per...

    onsite, San Antonio, TX, United States
    $44k – $54k/yrPart TimeNo Skills
  • Dollar Tree

    Dollar Tree

    a day ago

    Pt assistant manager

    We’re seeking an Assistant Store Manager to join our team to help with store operations, customer service and team development. Duties include, but are not limited to, the following: Assist with...

    onsite, San Antonio, TX, United States
    Part TimeNo Skills
  • Bank of America

    Bank of America

    2 days ago

    Administrative assistant iii - preferred business central market

    Job Description: At Bank of America, we are guided by a common purpose to help make financial lives better through the power of every connection. We do this by driving Responsible Growth and...

    onsite, Houston, TX, United States
    Full TimeNo Skills
  • St Helena Catholic Church

    St Helena Catholic Church

    2 days ago

    Administrative assistant

    Description Employment Status: Full-Time FLSA Status: Non-Exempt (Hourly) Schedule: Monday – Friday 9 am – 6pm / 40 hours per week Some evenings and weekends. Reports to: Business Manager Benefits...

    onsite, San Antonio, TX, United States
    Full TimeMiddle (2-4 years)
  • Catholic Charities

    Catholic Charities

    2 days ago

    Administrative assistant (part-time)- guadalupe community center

    Description Work Schedule: Monday - Friday / 8:30 am - 5:00 pm (up to 29 hours) Summary: Responsible for providing coordination and administrative support such as data entry, attend to calls related...

    onsite, San Antonio, TX, United States
    Part TimeJunior (<2 years)
  • Jobs for Humanity

    Jobs for Humanity

    3 days ago

    Administrative assistant sr

    Job Description We are seeking a proactive, service-oriented individual with excellent communication, administrative and customer service skills that can thrive in a fast-paced environment, while...

    onsite, San Antonio, TX, United States
    Full TimeJunior (<2 years)
  • Management Support

    Management Support

    5 days ago

    Assistant apartment manager / data entry

    We have an Assistant Apartment Manager / Data Entry position at our Management Support property with 164 apartment units. The Vintage Apartments 7733 Louis Pasteur San Antonio, Texas 78229...

    onsite, San Antonio, TX, United States
    $38k – $42k/yrFull TimeJunior (<2 years)
  • Trinity Residential

    Trinity Residential

    5 days ago

    Assistant community manager

    Assistant Community Manager Trinity Residential Assistant Community Manager Community Management Department Full-Time | Hourly Reports to: Community Manager Location: San Antonio, Texas Trinity...

    onsite, San Antonio, TX, United States
    Full TimeNo Skills
  • Adams Homes

    Adams Homes

    5 days ago

    New homebuilder administrative assistant

    At Adams Homes, we like to create win-win situations for our employees, craftsmen, and our clients. For the last 35 years, our success has been built on keeping things simple, along with the design,...

    onsite, San Antonio, TX, United States
    Full TimeNo Skills
  • Avenue5 Residential, LLC

    Avenue5 Residential, LLC

    5 days ago

    Assistant property manager

    Job Title: Assistant Property Manager Unlock your potential with Avenue5 Residential. Your ideas. Your development. Your experience. We take care of you, so you can take care of our residents,...

    onsite, San Antonio, TX, United States
    Full TimeJunior (<2 years)
  • MANNY G MOTORS LLC

    MANNY G MOTORS LLC

    5 days ago

    Personal assistant

    Benefits: Company parties Flexible schedule Paid time off Training & development Position Overview We are seeking a dependable, proactive, highly organized Personal Assistant to support the Manager...

    onsite, San Antonio, TX, United States
    Full TimeNo Skills
  • T

    TIPTON ASSET GROUP

    6 days ago

    Assistant property manager

    Build Your Property Management Career With Us Are you an experienced multifamily professional ready to take the next step in your property management career? Tipton Asset Group is looking for a...

    onsite, San Antonio, TX, United States
    Full TimeJunior (<2 years)
  • Sally Beauty

    Sally Beauty

    8 days ago

    01590 assistant store manager

    Job Title: Assistant Manager Essential Function Store Managers are responsible for hiring, developing and leading all store associates while ensuring optimal customer experiences, effectively...

    onsite, San Antonio, TX, United States
    Full TimeNo Skills
  • Spectrum Healthcare Resources

    Spectrum Healthcare Resources

    8 days ago

    Medical administrative assistant-optometry

    Job Description Medical Administrative Assistant – Optometry Reid Medical Clinic | Lackland AFB – San Antonio, TX | Potential Opportunity Spectrum Healthcare Resources has a potential opportunity for...

    onsite, San Antonio, TX, United States
    Full TimeEntry with Degree
  • Mr. Handyman of NW San Antonio and Helotes

    Mr. Handyman of NW San Antonio and Helotes

    8 days ago

    Customer service & administrative assistant

    Job Title: Customer Service & Administrative Assistant Location: San Antonio Job Type: Part-time (30 hours/week) Includes Saturdays Work Location: On-site / In-office About Us At Mr. Handyman of NW...

    onsite, San Antonio, TX, United States
    $30k – $32k/yrPart TimeNo Skills
  • THE SALVATION ARMY

    THE SALVATION ARMY

    8 days ago

    Executive assistant to the area commander

    Job Details: Job Location: TX-San Antonio AC - San Antonio, TX Position Type: Full Time Regular Education Level: Associate Degree Salary Range: Undisclosed Travel Percentage: Minimal Job Shift: Any...

    onsite, San Antonio, TX, United States
    Full TimeMiddle (2-4 years)
  • Shelter Corporation

    Shelter Corporation

    9 days ago

    Assistant property manager

    Assistant Property Manager Doral Club Apartments | San Antonio, TX | Market-Rate Apartment Community Schedule: Full-Time | 40 Hours per Week Compensation: $21.00–$23.00 per hour Benefits: Eligible...

    onsite, San Antonio, TX, United States
    $42k – $46k/yrFull TimeJunior (<2 years)
  • Texas Health & Human Services Commission

    Texas Health & Human Services Commission

    9 days ago

    Administrative assistant ii

    Join the Texas Health and Human Services Commission (HHSC) and be part of a team committed to creating a positive impact in the lives of fellow Texans. At HHSC, your contributions matter, and we...

    onsite, San Antonio, TX, United States
    $34k – $47k/yrFull TimeJunior (<2 years)
  • Compass Group

    Compass Group

    9 days ago

    Executive admin assistant (full time and part time)

    We are hiring immediately for a full and part time EXECUTIVE ADMIN ASSISTANT position. Location: Valero - 1 Valero Way, San Antonio, TX 78249 Note: online applications accepted only. Schedule: Full...

    onsite, San Antonio, TX, United States
    $38k – $40k/yrPart TimeJunior (<2 years)
  • TEAMLINX LLC

    TEAMLINX LLC

    12 days ago

    Administrative assistant

    Job Summary: The administrative assistant will support LINX Project Managers and Operations with all administrative pieces of commercial network cabling projects and job completions. About LINX: Join...

    onsite, Atlanta, GA, United States
    $44k – $52k/yrFull TimeJunior (<2 years)
  • Affinity Property Management

    Affinity Property Management

    12 days ago

    Assistant manager

    Job Title: Assistant Property Manager Employment Type: Full-Time FLSA Status: Non-exempt Location: Station at Elm Creek Apartments (322 units) 5050 Fredericksburg Rd #276, San Antonio, TX 78229...

    onsite, San Antonio, TX, United States
    $44k – $46k/yrFull TimeJunior (<2 years)
  • Sage Haus

    Sage Haus

    13 days ago

    Family assistant with household support

    Family Assistant with Household Support Location: San Antonio, TX 78258 (Stone Oak area) Employment Type: Part-Time | 20-25 hours per week Proposed Schedule (5 days per week): 4-5 hours/day, ideally...

    onsite, San Antonio, TX, United States
    $40k – $48k/yrPart TimeNo Skills
  • Just Kids Christian Academy

    Just Kids Christian Academy

    13 days ago

    Childcare administrative & classroom support assistant

    Benefits: Free uniforms Health insurance Paid time off Vision insurance Now Hiring: Childcare Administrative & Classroom Support Assistant Just Kids Christian Academy | San Antonio, TX Are you...

    onsite, San Antonio, TX, United States
    Full TimeNo Skills
  • Facility Solutions Group, Inc.

    Facility Solutions Group, Inc.

    15 days ago

    Administrative assistant

    Overview As an Administrative Assistant, you will skillfully work with our project management, estimating, service and sales departments. The ideal candidate should be comfortable working in Excel,...

    onsite, San Antonio, TX, United States
    $40k – $45k/yrFull TimeJunior (<2 years)
  • Circle K

    Circle K

    15 days ago

    Store assistant manager

    Store 2742293 3603 SE Military Dr, San Antonio, Texas 78223 Shift Availability Flexible (Days, Evenings, Overnights + Weekends) Time Type Full time Assistant Manager We want you to join our team as...

    onsite, San Antonio, TX, United States
    Full TimeNo Skills
  • Buckner

    Buckner

    17 days ago

    Administrative assistant

    Buckner Children and Family Services Community: Buckner Children and Family Services Location: San Antonio, TX - Onsite Address: 1711 Columbia Square, San Antonio TX 78227 Job Schedule: Full-Time We...

    onsite, San Antonio, TX, United States
    Full TimeJunior (<2 years)
  • Spencer Gifts

    Spencer Gifts

    19 days ago

    Senior assistant store manager

    Hourly rate ranges from $16.75 - $17.00 per hour and is dependent upon qualifications and experience. Benefits include: Company Paid Sick Time, Paid Vacation Time, Paid Holidays, Bereavement Pay,...

    onsite, San Antonio, TX, United States
    $34k – $34k/yrFull TimeSenior (5+ years)
  • REEP MANAGEMENT LLC

    REEP MANAGEMENT LLC

    19 days ago

    Svll-2 - svll - assistant manager

    Job Details Job Location: Seville Apartments - San Antonio, TX Salary Range: Undisclosed Job Type: Full-Time FLSA Status: Non-Exempt (Hourly) Reports To: Community Director Position Summary The...

    onsite, San Antonio, TX, United States
    Full TimeNo Skills
  • Mi Familia & Summit Home Health and Hospice

    Mi Familia & Summit Home Health and Hospice

    21 days ago

    Healthcare administrative assistant

    Healthcare Administrative Assistant Mi Familia & Summit Home Health and Hospice is seeking a dependable, organized, and service-oriented Healthcare Administrative Assistant to support the daily...

    onsite, San Antonio, TX, United States
    Full TimeNo Skills
  • St. Mary's University

    St. Mary's University

    22 days ago

    Administrative assistant

    The Administrative Assistant assists the Rattler Success Center (RSC) and the Vice Provost of Academic Success and Vocation with managing the administrative tasks associated with all daily...

    onsite, San Antonio, TX, United States
    Full TimeJunior (<2 years)
  • ABM US

    ABM US

    23 days ago

    Bilingual administrative assistant

    The Bilingual Administrative Assistant provides dedicated administrative, operational, and compliance support at site level to enable Site Managers to focus on strategic leadership, safety...

    onsite, San Antonio, TX, United States
    $38k/yrFull TimeJunior (<2 years)
  • Associa

    Associa

    23 days ago

    Admin assistant

    Goodwin & Company is looking for a highly motivated, detail-orientated Administrative Assistant (AA) with office Management experience for a fast-growing company. Your mission would primarily be to...

    onsite, San Antonio, TX, United States
    Part TimeSenior (5+ years)
  • HPI Real Estate Services & Investments

    HPI Real Estate Services & Investments

    23 days ago

    Assistant property manager

    This Position is 100% In Office Who We Are: HPI is a full-service commercial real estate firm serving Austin, San Antonio, Dallas, and Houston with 30 years of experience developing, managing, and...

    onsite, Austin, TX, United States
    Full TimeJunior (<2 years)
  • LJA

    LJA

    24 days ago

    Admin assistant ii - land development

    WHAT LJA HAS TO OFFER LJA is offering an exciting opportunity that will allow you to reach your full career potential. The structure of our organization is designed to amplify your capabilities while...

    onsite, San Antonio, TX, United States
    Full TimeJunior (<2 years)
  • Texas Health & Human Services Commission

    Texas Health & Human Services Commission

    24 days ago

    Administrative assistant iv

    Join the Texas Health and Human Services Commission (HHSC) and be part of a team committed to creating a positive impact in the lives of fellow Texans. At HHSC, your contributions matter, and we...

    onsite, San Antonio, TX, United States
    $48k – $48k/yrFull TimeJunior (<2 years)
  • CSC Management - San Antonio

    CSC Management - San Antonio

    a month ago

    Assistant manager

    Job Summary: The Assistant Manager is the key to success at our property sites. In this position, you will assist the Community director with overseeing several rehab and property improvement...

    onsite, San Antonio, TX, United States
    $34k – $40k/yrFull TimeJunior (<2 years)
  • Corgan

    Corgan

    a month ago

    Administrative assistant/receptionist

    Overview At Corgan we are passionate about great design but the best thing we build is each other. Corgan is an in-office work environment. Here, you’ll find camaraderie and collaboration as...

    onsite, San Antonio, TX, United States
    Full TimeMiddle (2-4 years)

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