Project Assistant Jobs in San Antonio, TX

Project assistant jobs in San Antonio are concentrated in the South Texas Medical Center, downtown near the River Walk business corridor, and the growing tech and defense corridors along Loop 1604 and the Northwest Side, with strong demand across healthcare, defense contracting, and construction management. Employers hiring right now include HDR, FlintCo, and Decor IQ. See the openings below and apply to the ones that match your experience.

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Overview

Open roles318+
Top employerHDR
Work type75% On-site
Top credentialBachelor's degree in construction management
Companies hiring13

Showing 5 of 318+ Project Assistant jobs

Layton Construction
Assistant Project Manager - Construction (Nationwide Travel)
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Layton Construction
Added 1w ago
Assistant Project Manager - Construction (Nationwide Travel)
Layton Construction
San Antonio, Texas
Executive Leadership & C-Suite
Program Management
Project Management
On-Site
Bachelor's degree in construction management
201-500

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STO Building Group
Assistant Project Manager - Construction (Nationwide Travel)
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STO Building Group
Added 1w ago
Assistant Project Manager - Construction (Nationwide Travel)
STO Building Group
San Antonio, Texas
Construction Management
Manufacturing Operations
Project Management
On-Site
Bachelor's degree in construction management
1,001-5,000

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Airco Mechanical
Assistant HVAC Project Manager
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Airco Mechanical
Added 2w ago
Assistant HVAC Project Manager
Airco Mechanical
San Antonio, Texas
Project & Program Management
Project Management
$60k - $70k/yr
On-Site
Bachelor's degree in mechanical engineering
501-1,000

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E
Assistant Project Manager - Construction
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E
Added 2w ago
Assistant Project Manager - Construction
ELLA SA CONTRACTING
San Antonio, Texas
Project Management
Quality Assurance & Testing (QA Testing)
Technical Program Management
Bachelor's degree in construction management

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T
Assistant Project Manager
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T
Added 3w ago
Assistant Project Manager
Texas Lath LLC
San Antonio, Texas
Corporate Training
Human Resources
Learning & Development
$50k.54 - $60k.41/yr

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See All 318+ Project Assistant Jobs in San Antonio

Find roles in San Antonio that match your experience and apply in just a few clicks.

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Project Assistant Job Market in San Antonio

Who's Hiring

  • HDR
    HDR24
  • FlintCo
    FlintCo24
  • Decor IQ
    Decor IQ24
  • FISK ELECTRIC
    FISK ELECTRIC24
  • Structura
    Structura24

Project Assistant Jobs in San Antonio: Frequently Asked Questions

How do I get a project assistant job in San Antonio?

Focus your search on San Antonio's largest hiring sectors: healthcare systems around the South Texas Medical Center, defense and government contractors clustered near Joint Base San Antonio, and commercial construction firms expanding across the North Side and Stone Oak area. Candidates who can show experience with project scheduling tools, document control, or budget tracking stand out locally. Networking through San Antonio's active construction and healthcare communities also opens doors faster than applications alone.

Which companies hire project assistants in San Antonio?

Companies currently hiring project assistants in San Antonio include HDR, FlintCo, and Decor IQ, per current listings on Migrate Mate as of October 2026. San Antonio's hiring mix leans toward large healthcare systems, federal contractors, and regional construction and engineering firms, all of which maintain ongoing project support staff.

Are there remote project assistant jobs in San Antonio?

Yes, though availability depends on the role type: desk-based and administrative project assistant positions are more remote-friendly, while construction or on-site coordination roles are almost entirely in person. About 25% of project assistant openings tied to San Antonio are remote or hybrid as of October 2026. The most remote-compatible work tends to be in healthcare administration and technology project support.

How can I get a project assistant job in San Antonio with little or no experience?

The most realistic entry path in San Antonio is targeting administrative or coordinator roles at the city's large healthcare networks and defense contractors, which regularly hire entry-level support staff and promote from within. Roles like office coordinator, administrative assistant, or scheduling clerk at employers like a hospital system or a government contracting firm give you direct exposure to project workflows. Familiarity with Microsoft Project or similar tools, even from coursework, gives candidates a concrete advantage in local interviews.

See All 318+ Project Assistant Jobs in San Antonio

Find roles in San Antonio that match your experience and apply in just a few clicks.

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