Mechanical Engineering Intern

Description

About 3Flow 

For over 25 years, 3Flow has been a global leader in the systemic analysis, testing, design, and management of airflow systems for critical indoor workspaces and mixed-use facilities. Our name reflects three core areas of focus: ensuring safety and environmental health, optimizing efficiency and reducing waste, and mitigating risk to support long term operational success.

3Flow is recognized for its leadership and innovation in consulting, testing, products, and training, delivering advanced airflow and ventilation solutions across a wide range of industries and indoor environments. We are also the co-creator of Smart Labs, the leading protocol for safety and energy efficiency in laboratory airflow infrastructure.

About the Job

We are seeking a motivated mechanical engineering student to support the design, development, and testing of innovative fume hoods. This role provides hands-on experience in mechanical design using CAD software, prototype fabrication, product testing and validation to ensure safety, performance, and regulatory compliance. You will collaborate closely with senior engineers and external partners while contributing to high quality, practical design solutions. Additional responsibilities include developing standard operating procedures and templates for the testing division to ensure work is performed consistently, efficiently, safely, and in compliance with applicable standards.

Responsibilities

• Design & Development:
  • Assist in the mechanical design and modification of fume hoods using CAD software.
  • Apply fundamental mechanical design principles to support product development.
• Prototyping and Testing:
  • Build, test, and evaluate prototypes, troubleshooting design issues for functionality and feasibility.
  • Support testing and validation activities, including data collection and analysis to verify safety and effectiveness.
• Collaboration:
  • Work closely with senior engineers to develop and refine product designs
  • Build a strong relationship with our partner firm in development of new fume hood design. 
• Technical Support:
  • Assist with maintaining and troubleshooting testing equipment.
  • Develop SOPs (Standard Operating Procedures) and templates for the testing division.

Requirements/Qualifications

• Currently enrolled in a bachelor’s in Mechanical Engineering degree program, in the United States, and graduating between Dec 2026 and June 2028. 
• Hands-on experience from coursework or projects using CAD software (e.g., SolidWorks, AutoCAD).
• Understanding of basic mechanical design principles.
• Strong problem solving and analytical skills, with the ability to interpret test data and resolve design challenges.

Preferred Requirements: 

• Ability to travel to and from local project locations (estimate <10% travel)
• Proven abilities in self-management, problem solving, results orientation, conceptual thinking, decision making, and teamwork.
• Strong interpersonal and communication skills.
• Interest in professional development through workshops, technical publications, and professional organizations

Additional Information

Program Length:

11-week program (Projected Dates: June 1, 2026 – August 14, 2026)

Location:

231 East Johnson St., Suite C

Cary, NC 27513

Weekly Hybrid Schedule: 4 days in the office and 1 day remote

If you have relevant technical experience, strong communication and organizational skills, are self-motivated and can work well both independently and as part of a team, complete the on-line application process for this job posting at www.3flow.com. 

All qualified applicants will receive consideration for employment without regard to protected veteran status, disability, race, color, religion, sex, sexual orientation, gender identity, or national origin.