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Mechanical Engineering Intern

WATERFLEET LLC
SAN ANTONIO, TX Intern
POSTED ON 4/22/2026
AVAILABLE BEFORE 6/22/2026

 

JOB DESCRIPTION

Mechanical Engineering Intern

 

General Information:

Title: Mechanical Engineering Intern

Status: Temporary, non-exempt                         

Location/Site: Corporate Office

Hours: Monday – Friday, possible weekends   

Reports to: Director of Engineering                                        

Supervisory Responsibility: None

Travel Requirements: None          

 

Company Overview:

WaterFleet is a dynamic company revolutionizing the mobile potable and wastewater management industry through pioneering technology and exceptional talent. We have built our company on the core values of Respect, Quality, One Team, Health & Wellbeing, and Radically Innovative and are seeking like-minded people to propel our growth. If you are a highly qualified individual who enjoys working in a fast-paced environment, please review the following:

 

Position Overview:

The Mechanical Engineering Intern will support the engineering team in the design, analysis, and implementation of mechanical systems and components. This role provides hands-on experience in real-world engineering projects, with exposure to design, drafting, testing, and field coordination. The position will also act as a liaison between the Equipment Suppliers and the Engineering Department

 

Responsibilities:

  • Assist in the design and development of mechanical systems and components
  • Prepare and revise engineering drawings using CAD software (e.g., SolidWorks)
  • Support project documentation, including calculations, specifications, and reports
  • Conduct basic engineering calculations and analysis under supervision
  • Participate in design reviews and team meetings
  • Assist with material selection, equipment sizing, and system layout
  • Support field activities such as site visits, inspections, and data collection (if applicable)
  • Collaborate with cross-functional teams including electrical, civil, and project management
  • Maintain organized project files and documentation
  • Assist project oversight in coordination with WaterFleet operations and installation groups.
  • Assist in determining best technology/design upgrades for WaterFleet’s mobile water and wastewater system fleet and services.
  • Review and respond to drawings, submittals, requests for clarification, and other related correspondence.
  • Assist with sizing, flow process, and auxiliary equipment needs for new system designs.
  • Assist in regulatory engagement as necessary for permit applications and approvals.
  • Other duties as assigned.

 

Requirements:

  • Currently pursuing a bachelor’s degree in mechanical engineering or related field
  • Valid US driver’s license and strong driving safety record (no more than 2 moving violations in previous 3 years).
  • Acceptable background check, clear of DWI convictions, for the last 5 years.
  • Foster teamwork and collaboration within and between department(s)

 

Qualifications:

  • Basic understanding of engineering principles (thermodynamics, fluid mechanics, mechanics of materials)
  • Familiarity with CAD software (AutoCAD, SolidWorks, or similar)
  • Strong analytical and problem-solving skills
  • Good written and verbal communication skills
  • Ability to work both independently and in a team environment
  • Previous internship or project experience in mechanical design or construction
  • Exposure to HVAC, piping systems, or industrial equipment (if relevant to your business)
  • Knowledge of Microsoft Office Suite (Excel, Word)
  • Familiarity with industry standards and codes

 

 

Supervisory Responsibility:

  • None

 

Pay Frequency:

  • Bi-Weekly (26x/year)

 

Americans with Disabilities/Specifications/Physical Demands:

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Ability to lift up to 20 pounds. Reasonable accommodations may be made to individuals with disabilities to perform the essential functions.

 

Work Environment:

Work environment characteristics described here are representative of those that must be met by an employee to successfully perform the essential function of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of the job.

 

Additional Notes:

WaterFleet, LLC is an E-Verify employer, and queries all newly hired employees through the internet-based verification program operated by the Department of Homeland Security and Social Security Administration. WaterFleet is an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status.

 

Company Website: https://www.waterfleet.com/who-we-are/

Hourly Wage Estimation for Mechanical Engineering Intern in SAN ANTONIO, TX
$36.00 to $42.00
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