23 developer intern jobs at 19 companies in Leon Valley, TX

2mo
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Cyber Engineer Intern - San Antonio, TX
San Antonio, Texas, United States
$30-$40/hr OnsiteAll Commitments Available
ICR
ICR: Cyber engineering internship program.
Pursuing degree in CS/CE/EE; reverse engineering experience; proficient in C, Python, x86/x64 assembly; knowledge of Windows/Linux APIs; familiarity with IDA Pro and Wireshark; able to work in small teams.
C, Python, x86/x64 assembly, IDA Pro, Wireshark, Windows API, Linux API
2d
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Intern Engineer - Summer 2027 - Central Division (For Current/Former HNTB Interns Only)
Austin or Baton Rouge or Dallas or Des Moines or El Paso or Fort Worth or Houston or Kansas City or Little Rock or New Orleans or Oklahoma City or Overland Park or Plano or Round Rock or San Antonio or St. Louis
OnsiteFull Time
HNTB
HNTB: Infrastructure design and engineering for transportation and public works
High school diploma/GED plus current enrollment in an accredited engineering program. Basic engineering/math skills, Microsoft Office proficiency, ability to perform basic calculations and prepare shop drawings.
Microsoft Office
2w
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Intern - Project Engineer
Schertz, Texas, United States
OnsiteFull Time
Southland Industries
Southland Industries: National expert in mechanical, electrical, and plumbing building systems.
Pursuing a relevant engineering or construction degree; strong communication, problem-solving, and teamwork; interest in HVAC/plumbing/fire protection, estimating, scheduling, and project coordination.
22h
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Fall & Spring Intern, Aquifer Management Services
San Antonio, Texas, United States
$20/hr OnsitePart Time, Internship
Edwards Aquifer Authority
Edwards Aquifer Authority: Manages and protects the Edwards Aquifer groundwater system.
Must be enrolled in college with ≥60 credit hours and ≥2.5 GPA, ≥12 credit hours in geology/environmental science/geography or related, some computer knowledge, ability to lift ≤25 lbs and perform occasional physical tasks.
1w
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Intern - Engineering / Development Department
San Antonio, Texas, United States
$19/hr OnsiteInternship
San Antonio Water System
San Antonio Water System: Provides municipal water and wastewater services in San Antonio.
Currently enrolled junior/senior or graduate engineering student; 2+ years Microsoft Office experience; ability to learn ArcGIS Pro and INFOR; strong communication, organization, and attention to detail; able to lift up to 20 lbs.
ArcGIS Pro, Microsoft Excel, INFOR
1w
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Business Development & Capture Intern (Remote Opportunity)
Philadelphia or Charleston or San Antonio or Miami
$40/hr RemotePart Time, Internship
VetsEZ
VetsEZ: Digital transformation and healthcare IT services for government agencies.
Must be a graduate student (MBA or related Master's) graduating in 6-12 months, reside in continental US, strong analytical and communication skills, proficiency with Microsoft Office, and ability to obtain government clearance.
Microsoft Office, Microsoft Excel, Microsoft PowerPoint, Microsoft Word, Microsoft Copilot, ChatGPT, Salesforce
1mo
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Intern to Entry Level Conversion - Engineering (Summer 2026 Intern Program)
Seattle or Saint Charles or Huntsville or Portland or Midwest City or Oklahoma City or Berkeley or Miami or Huntington Beach or Hazelwood or Germantown or El Segundo or Fort Walton Beach or Ridgecrest or Tukwila or North Charleston or Kennedy Space Center or Heath or Houston or Fairfax or Colorado Springs or Seal Beach or Long Beach or Newburgh or Renton or Saint Louis or Auburn or Philadelphia or Everett or San Antonio or Kent or Mesa or New Orleans
$50k-$174k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, satellites, and defense systems.
Currently enrolled engineering/applied-sciences student with expected graduation before September 2027; previously interned with Boeing; strong academics, collaboration, and technical project experience; ability to meet export-control U.S. Person requirements for many roles.
1mo
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Intern/Co-op - Refining Chemical Engineering Fall 2026
Findlay or El Paso or Anacortes or Wilmington or Martinez or Owensboro or Canton or Canonsburg or Mandan or Salt Lake City or Dickinson or Robinson or Detroit or St Paul Park or Catlettsburg or Garyville or Texas City or Kenai or San Antonio
$33-$42/hr OnsitePart Time, Internship
Marathon Petroleum
Marathon PetroleumNYSE: MPC: Refines and markets petroleum products and renewable fuels.
Must be majoring in Chemical Engineering, strong academic performance, concurrently enrolled in a degree program, valid driver's license, authorized to work in the US indefinitely, availability for multiple co-op/term assignments preferred.
3w
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2027 Engineering Corporate Intern Program - Product Development Track
Mossville or Brooklyn Park or Decatur or Fort Worth or Lafayette or Pontiac or Kennett Square or Pittsburgh or El Reno or Schertz or Rapid City or Griffin or Denison or Houston or East Peoria or Clayton or West Fargo or Alpharetta or Peoria
$25-$43/hr OnsiteFull Time, Internship
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
Full-time 12-week, 40-hr/wk internship for students pursuing an ABET-accredited engineering degree; 3.0+ GPA, 24+ semester hours completed, ability to relocate/commute, engineering fundamentals and analytical skills.
ANSYS, MATLAB, Simulink, C, C#, C++, Python, Visual Basic, CFD, FEA, HIL, SIL
1mo
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Archaeologist Intern
San Antonio, Texas, United States
OnsiteFull Time
Pape-Dawson Engineers
Pape-Dawson Engineers: Provides civil engineering, surveying, and environmental consulting services.
Currently pursuing a degree in anthropology, archaeology, history, geography or related; familiarity with archaeological fieldwork and site surveys; strong communication, organization, and reliability; able to work Monday–Friday 8am–5pm.
3d
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MINIGRIP - LOGISTICS ENGINEER
Seguin, Texas, United States
OnsiteFull Time
Inteplast Group
Inteplast Group: Manufactures diverse integrated plastic films, bags, and building materials.
3+ YOEBachelor's degree and 3+ years international logistics experience managing ocean/air freight from Asia, knowledge of U.S. import regulations, ERP/TMS proficiency, strong analytical and communication skills.
SAP, Oracle, ERP, TMS, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Adobe Illustrator, Adobe Premiere Pro
2d
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New Grad Engineer I - Winter/Summer 2027 - Central Division (For Current/Former HNTB Interns Only)
Dallas or New Orleans or Plano or Kansas City or Round Rock or Houston or El Paso or San Antonio or Des Moines or St. Louis or Fort Worth or Oklahoma City or Overland Park or Baton Rouge or Little Rock or Austin
OnsiteFull Time
HNTB
HNTB: Designs and manages large-scale transportation and infrastructure projects.
Bachelor's degree in Engineering required; familiarity with Microsoft Office, MicroStation and/or AutoCAD; EIT preferred; current/former HNTB interns only.
Microsoft Office, MicroStation, AutoCAD
1mo
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Mid-Level to Senior Project Engineer, Building and Construction
Elmendorf, Texas, United States
OnsiteFull Time
Intertek
IntertekLondon Stock Exchange: ITRK: Provides global testing, inspection, and certification services for products.
B.S. in engineering or physical science required, valid driver\u0002s license, technical communication and documentation skills, ability to travel (domestic & international), knowledge of building codes and audit experience preferred.
1w
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Director of International Business Development
San Antonio, Texas, United States
OnsiteFull Time
Knight Aerospace
Knight Aerospace: Designs and manufactures modular systems for cargo aircraft.
5+ YOEBachelor's degree required, MBA preferred; 5+ years international aviation/business development experience; knowledge of government contracting, FAR/DFARS; Microsoft Office and CRM experience; negotiation and communication skills; international travel required.
Microsoft Office Suite, CRM
2w
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ER Veterinary Internship - Multiple Cities
Columbia or Fort Collins or San Antonio or La Mesa or Austin
$75k/yr OnsiteFull Time
Thrive Pet Healthcare
Thrive Pet Healthcare: Operates a network of veterinary hospitals and pet clinics.
Eligibility to obtain a U.S. veterinary license; new graduates welcome; supervised emergency medicine training; clinical and surgical competency development expected.
3mo
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Platform Engineering Manager
Irvine or New York or San Antonio
$179k-$287k/yr OnsiteFull Time
Capital Group
Capital Group: Providing active investment management and research-driven financial strategies
10+ YOE5+ Mgmt10+ years engineering; 5+ years leading teams; experience with internal platforms or developer-facing products; cloud-native platforms; Kubernetes; Backstage/Port/Cortex; strong collaboration across Security, SRE, Architecture, and Engineering.
Backstage, Port, Cortex, Kubernetes, AWS, Docker, Terraform, TypeScript, Python, Java, Go, OpenTelemetry, CI/CD, GitHub, Jira, Confluence
2mo
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Principal Investigator
Edinburg, Texas, United States
OnsiteFull Time
Pinnacle Clinical Research
Pinnacle Clinical Research: Provides multi-site clinical trial and medical research services.
1+ YOEPhysician with clinical practice in Internal Medicine or Family Practice; knowledge of FDA regulations and GCP; bilingual English/Spanish preferred.
3w
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Strategic Analyst I
New Braunfels, Texas, United States
$62k-$80k/yr OnsiteFull Time
New Braunfels Utilities
New Braunfels Utilities: Providing municipal electric, water, and wastewater utility services.
Entry-level analytical role supporting strategic planning, internal consulting, process improvement, research, and knowledge management; strong written and verbal communication and critical thinking required.
1mo
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Food Manufacturing: Quality Assurance (QA) Tech PM
San Antonio, Texas, United States
OnsiteFull Time
GoodHeart Brand Foods
GoodHeart Brand Foods: Produces and packages high-quality ready-to-eat meals.
Ensuring GMP compliance, conducting internal audits, developing sanitation programs, performing root-cause analysis for complaints, and providing quality training; Microsoft Excel/Word/PowerPoint proficiency required.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Apple Mac
3mo
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International ISR Instructor
San Antonio or United States
OnsiteFull Time
STS Systems Support
STS Systems Support: Provides cybersecurity and mission support services to federal agencies.
3+ YOEISR trainer with imagery/FM V expertise; courseware development and partner nation capability transfer.
Geospatial Analysis, Imagery Analysis, GEOINT, FMV Analysis, ISR Systems

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