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83 site assistant jobs at 56 companies in San Marcos, TX

1mo
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SACC Site Assistant
New Braunfels, Texas, United States
OnsiteFull Time
Comal Independent School District
Comal Independent School District: Public school district providing K-12 education in Texas.
1+ YOEHS diploma/GED, current CPR and First Aid, 2 years childcare experience or 1 year with CISD/SACC, proficiency with computers and Microsoft suite, strong communication and supervisory skills.
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3w
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Assistant Site Manager
Austin, Texas, United States
OnsiteFull Time
Goodwill Central Texas
Goodwill Central Texas: Transforming lives through the power of work and education.
5+ YOE5+ years logistics/recycling supervisory experience (50+ employees), high school diploma or equivalent, valid Texas driver license, ability to lift 50 lbs, strong communication, analytical and leadership skills, OSHA compliance.
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3mo
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Assistant Site Manager
Austin, Texas, United States
OnsiteFull Time
Dexterra Group
Dexterra GroupTSX: DXT: Provider of facilities management, workforce accommodations, and support services.
3+ YOESenior-level operational leadership in large-scale hospitality or accommodations; 3+ years; budgeting; MS Office; leadership and guest service focus.
Microsoft Office, Hospitality or facilities management systems
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3w
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Assistant Site Leader
San Antonio, Texas, United States
$16-$19/hr OnsiteFull Time
BlueWave Express
BlueWave Express: Express car wash operator offering quality, e-friendly vehicle cleaning services.
1+ YOERequires at least one year of leadership experience, basic computer and information technology skills, mechanical aptitude or willingness to learn, a positive attitude, and readiness for fast-paced outdoor work.
Microsoft Office, point-of-sale system
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3w
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Assistant Site Leader
San Antonio, Texas, United States
$16-$19/hr OnsiteFull Time
ClearWater Express Wash
ClearWater Express Wash: Express car wash operator with locations across Texas.
1+ MgmtRequires at least one year of leadership experience, basic information technology and computer skills, mechanical aptitude or willingness to learn, positive attitude, and willingness to work outdoors in a fast-paced environment.
Microsoft Office, point-of-sale system
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2mo
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STARS, Site Assistant (2026-2027 School Year) (10096)
Bastrop, Texas, United States
OnsitePart Time
Bastrop Independent School District
Bastrop Independent School District: Public school system serving more than 13,000 students in the Bastrop area.
High school diploma/GED, some experience working with children, ability to plan and implement age-appropriate activities, supervise groups, communicate with parents, and complete site paperwork.
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2w
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Site SA Assistant
San Antonio, Texas, United States
OnsiteFull Time
The Pictsweet Company
The Pictsweet Company: Family-owned producer and distributor of frozen vegetables.
2+ YOERequires 2+ years of experience, an associate degree or equivalent, and Secret security clearance. Preferred certifications include CompTIA A+, CompTIA Security+, and ITIL 4 Foundation.
Active Directory (AD), System Center Configuration Manager, Post Administration Tool, Travel Document Issuance System, Passport Records Imaging System Management, Automated Cash Register System, vSphere Installation Bundles (VIBs), Oracle, SQL, ServiceNow
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3w
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Assistant Site Lead (PreK)
Austin, Texas, United States
$19/hr OnsitePart Time, Seasonal
Extend-A-Care YMCA
Extend-A-Care YMCA: A nonprofit organization providing youth, wellness, education, and community support programs.
High school diploma, age 21+, six months licensed childcare experience or child development coursework, Texas licensing training, CPR/First Aid, driver's license, transportation, and background check.
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3mo
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Assistant Site Manager (Electrical Operations)
San Francisco or New York or Denver or Austin or Calgary or Toronto
$118k-$135k/yr HybridFull Time
Intersect
Intersect: Energy and data center infrastructure-locating industrial demand with dedicated gas and renewable power.
1+ YOEB.S. in Electrical Engineering; 1–3 years field experience; interpret electrical diagrams; analyze data from SCADA/CMMS; strong communication; safety-focused.
SCADA, Inverter platforms, CMMS, Electrical Schematics
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2d
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Assistant Manager - HOA Site Management
San Antonio, Texas, United States
$50k/yr HybridFull Time
Spectrum Association Management
Spectrum Association Management: Private HOA management serving single-family communities and homeowners in Texas, Arizona, and remotely.
Valid driver's license, auto insurance, safe driving record, computer literacy, Microsoft Word and Excel proficiency, database and iPad data entry, conflict resolution, customer service, organization, and communication skills.
Microsoft Word, Microsoft Excel, iPad, CINC Manager, CINC Systems, Spectrum app, JellyBird apps, CINC WebAxis, Fleet Car GPS
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3d
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Assistant Community Manager
San Antonio, Texas, United States
OnsiteFull Time
American Landmark Apartments
American Landmark Apartments: Private multifamily owner-operator acquiring, renovating, and managing mid-priced Sunbelt apartments for residents and investors.
2+ YOERequires 2+ years in the apartment industry, RealPage/LRO and One-Site or similar systems, strong customer service experience, and background screening with drug testing. College degree and bilingual skills are helpful.
RealPage, LRO, One-Site
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2w
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Medical Assistant (MA3905 - MAC)
San Antonio, Texas, United States
OnsiteFull Time
CommuniCare Health Centers
CommuniCare Health Centers: Nonprofit FQHC system providing primary, specialty, dental, behavioral, and pharmacy care to South Texas families.
1+ YOEHigh school diploma or equivalent, one year of medical assistant experience or medical assistant education/certification, BLS certification, computer skills, and ability to travel between clinic sites.
EMR, EHR
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1mo
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Traveling Dental Assistant Periodontics
San Antonio, Texas, United States
$18-$25/hr FieldFull Time, Part Time
Pacific Dental Services
Pacific Dental Services: Integrated healthcare support organization for clinical practices.
State-mandated dental assistant certification/registration, high school diploma/GED, reliable transportation for multi-site travel, ability to perform clinical assistant duties and basic computer tasks.
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Traveling Dental Assistant Orthodontics
Cedar Park, Texas, United States
$18-$25/hr OnsiteFull Time
Pacific Dental Services
Pacific Dental Services: Integrated healthcare support organization for clinical practices.
State-mandated dental assistant certification or licensure, high school/GED, ability to perform radiographs and infection control, valid driver’s license or reliable transportation for multi-site travel.
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1mo
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Oral Surgery Dental Assistant
Austin, Texas, United States
OnsiteFull Time
Lone Star Pediatric Dental & Braces
Lone Star Pediatric Dental & Braces: Raising the standard in children's oral health.
Dental assisting experience required; CPR/BLS required; IV sedation, oral surgery, and pediatric experience preferred; able to travel to an off-site surgery center and maintain clinical documentation.
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3mo
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2026/27 Elementary Instructional Assistant, PE
Austin or Leander
$17/hr OnsiteFull Time
Leander Independent School District
Leander Independent School District: Public school district serving communities in Central Texas.
Elementary school Instructional Assistant, PE; full-time, 184 work days; on-site at multiple campuses; fingerprint background check required.
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2w
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Administrative Assistant- Zilker
Austin, Texas, United States
$19/hr OnsiteFull Time
Foundation Communities
Foundation Communities: Austin-based nonprofit providing affordable housing and support services to low-income families, veterans, seniors, and people with disabilities.
Administrative support and customer service experience preferred. Requires judgment, problem-solving, computer proficiency, and ability to perform physical tasks and work holidays or inclement weather days.
One Site, surveillance camera systems
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6d
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Assistant Superintendent
Austin, Texas, United States
OnsiteFull Time
Hill & Wilkinson General Contractors
Hill & Wilkinson General Contractors: Texas private general contractor serving commercial, institutional, healthcare, and manufacturing clients through design-build and construction management.
Construction field management role emphasizing job-site leadership, problem-solving, collaboration, learning, mentoring, and legal authorization to work in the United States.
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3w
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Ministry Assistant - Kids Club
San Antonio, Texas, United States
OnsitePart Time
Oak Hills Church
Oak Hills Church: Non-denominational church serving San Antonio by making disciples and guiding people to follow Jesus.
2+ YOEHigh school diploma or GED and two years of para-professional, bookkeeping, or administrative experience; college education preferred. Requires office software, accounting, communication, confidentiality, and organizational skills.
email, website, computer keyboard
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2mo
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Welding Assistant
Austin, Texas, United States
$18/hr OnsiteFull Time
Aalo Atomics
Aalo Atomics: Private nuclear engineering building factory-manufactured microreactors for data centers and cities.
Hands-on welding familiarity (MIG, TIG, or stick preferred), mechanical aptitude, ability to perform physical tasks (standing, lifting, bending), willingness to learn, and ability to work on-site in Austin, TX; U.S. citizenship or U.S. person status required.
MIG, TIG, stick
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