Mechanical Engineer Intern

Safe FleetSt. Louis, MO
Onsite

About The Position

The Mechanical Engineer Intern supports the Engineering team in the design, development, documentation, testing, validation, and continuous improvement of components, sub-assemblies, and finished goods that meet the cost, performance and timeliness requirements defined within ESG’s Product Planning Process (P3 Process). This role provides hands-on engineering experience across the product development lifecycle. The intern will work under the guidance of experienced engineers while collaborating with cross-functional partners to help develop and deliver products and process improvements using original thinking and ingenuity.

Requirements

  • Currently pursuing a Bachelor’s degree in Mechanical Engineering, Industrial Engineering, Manufacturing Engineering or a related field; equivalent education and experience may be considered.
  • Basic understanding of mechanical design principles, manufacturing processes, engineering drawings, and technical documentation.
  • Proficiency with Microsoft Office applications and ability to learn ERP, PLM, CAD, document-control, and other business systems.
  • Ability to work independently and collaboratively in a team environment, including with cross-functional and production-based teams.
  • Strong attention to detail, organization, problem-solving, written communication, and verbal communication skills.
  • Ability to prioritize work, follow direction, ask questions when needed, and manage multiple assignments in a fast-paced environment.

Nice To Haves

  • Training or experience with SolidWorks (or equivalent CAD software), including modeling, assembly, and drawing creation.
  • Experience rapid prototyping parts, fixtures and products, both subtractive (machined) and additive (grown).
  • Experience using a manual mill, lathe, drill press, bandsaw, and other shop tools.
  • Experience working in an install bay, upfitting vehicles or installing aftermarket parts/electronics onto vehicles.

Responsibilities

  • Develop processes, products, assemblies and components that meet or exceed ESG’s stringent quality, cost, performance & schedule requirements.
  • Disassemble and measure vehicles with hand tools or use of 3D scanner.
  • Fit check parts onto various vehicles/applications.
  • Support Label Modification projects as defined within ESG’s P3 Processes.
  • Review and approve mechanical and finished goods drawings.
  • Write assembly instructions (AIs), work instructions, and equipment maintenance procedures.
  • Develop production jigs, assembly fixtures, and crimping tools for domestic & international manufacturing.
  • Complete finished goods first article reports (FARs).
  • Perform finished goods product verification, qualification, and validation testing.
  • Contribute to ensuring the integrity of mechanical design and product development processes.
  • Analyze, evaluate, and recommend system improvements that will reduce product design cycle times.
  • Quickly resolve engineering & technical issues.
  • Actively participate in ESG’s Change Request (CR/ECN/DCN) process.
  • Perform other related duties as assigned.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service