Mechanical Engineering Intern

Rantec Power Systems, Inc.Los Osos, CA
Onsite

About The Position

Rantec Power Systems Inc. is hiring Interns at $21.00/hr! Based in Los Osos, California, Rantec offers many outstanding benefits. Rantec is an upper-tier designer and manufacturer of power supplies for the military and aerospace markets. We are an engineering-based company, with expertise in all aspects of power supply design, manufacturing and test. This internship offers valuable hands-on experience within a team that fosters innovation and employee involvement. Interns will perform task and project level assignments including design/development, analysis, and manufacturing support of power supply development for defense and aerospace applications.

Requirements

  • Pursuing a degree in Mechanical/Aerospace Engineering
  • SolidWorks
  • Microsoft: Windows, Excel, Word, Outlook, SharePoint, Teams, PowerPoint
  • Attention to detail
  • Failure analysis
  • This position requires access to our export-controlled commodities, technical data, technology, and services. These items are restricted under the International Traffic in Arms Regulations (ITAR) to U.S. Citizens, Lawful Permanent Residents of the U.S. and properly licensed foreign persons. Therefore, employment is contingent on compliance with ITAR regulations and successfully obtaining and maintaining the necessary export authorization license from the U.S. Department of Commerce’s Bureau of Industry and Security, U.S. Department of State’s Office of Defense Trade Controls, or other applicable government agency.

Nice To Haves

  • 1 year of previous Mechanical Engineering experience preferred

Responsibilities

  • Effectively test and troubleshoot existing designs down to the component level as necessary
  • Track and monitor failure modes
  • Develop and implement test procedures
  • Provide feedback on design and test improvements
  • Support product improvement through the analysis of existing products and the incorporation of design improvements
  • Incorporate product changes originating from changes in customer specifications, changes in components or manufacturing requirements, and address obsolescence issues
  • Develop tooling and fixtures to support testing or manufacturing improvements
  • Create engineering drawings using SolidWorks
  • Learn and use Rantec MRP (Exact Alliance)
  • Assist developing product performance and compliance testing.
  • Support product realization.
  • Participate in design reviews, scheduling meetings and other engineering work groups as needed
  • Ability to work flexible hours and/or different shifts, as required
  • Ability to work in a safe professional manner adhering to all regulatory requirements including OSHA, EPA, State and Federal Regulations
  • As the Company’s success relies on the productivity of our team and adherence to customer product schedules, an essential function of this position is the ability to arrive to work on-time, and work each day, as scheduled
  • Perform other duties as assigned

Benefits

  • Competitive wages
  • Tuition Assistance
  • Peer-to-Peer recognition and Years of Service Awards.
  • Every other Friday off as we are on the 9/80 schedule
  • Free catered lunch on the Friday/payday that we work.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service