Engineering Summer Intern (Full-Time)

Location: Sioux Falls, SD (On-Site)Schedule: Mon.-Fri. 40 hrs/week Pay: $20.50 per hour

Build It Better. Learn It Fast. Make It Matter.

About Electronic Systems, Inc.

Electronic Systems, Inc. (ESI) has been providing Legendary Service to its customers for over 45 years by delivering Done Right, On Time backed by Legendary Service. We provide a full range of electronic manufacturing services to original equipment manufacturers in the industrial, commercial, medical, energy, agriculture, and biotech markets

Are you a college student looking to gain real-world engineering experience in a manufacturing environment?

Join ESI as a Manufacturing Engineer Intern and work alongside our Manufacturing, Mechanical & Electrical Engineering team supporting the production of electronic assemblies and continuous improvement initiatives.

This is a hands-on, on-site role where you’ll gain exposure to production processes, troubleshooting, and problem-solving engineering while working directly with engineers and production teams on the floor.

What You’ll Do

• Assist with production troubleshooting and root cause analysis
• Support manufacturing equipment setup, validation, and process improvements
• Help investigate process or quality issues impacting production
• Assist with tooling or fixture improvements for safety, quality, or efficiency
• Review defect trends and support improvement initiatives
• Assist with engineering documentation updates and process changes
• Support engineering trials and data collection for decision-making
• Work cross-functionally with production, quality, and operations teams
• Spend time on the production floor learning workflows and supporting real-time needs

What You’ll Gain Experience In

• Electronics manufacturing processes and workflows
• Root cause analysis and troubleshooting
• Lean manufacturing and continuous improvement
• Manufacturing equipment and process validation
• Tooling and fixture concepts
• Engineering documentation and data analysis
• Cross-functional collaboration in a production environment

What We’re Looking For

• Current college student pursuing a degree in:
  • Manufacturing Engineering
  • Mechanical Engineering
  • Industrial Engineering
  • Electrical Engineering
  • Or related field
• Strong problem-solving and analytical thinking skills
• Interest in manufacturing, production, and process improvement
• Strong communication skills and willingness to learn
• Ability to stay organized and manage multiple tasks
• Comfortable working both in an office and on a production floor

WHY THIS INTERNSHIP MATTERS

This is not a “sit and watch” internship. At ESI, interns get meaningful exposure to real work, real teams, and real challenges. You’ll leave with a stronger understanding of how engineering decisions impact production, quality, safety, and efficiency in a manufacturing environment.

If you enjoy solving problems, improving processes, and seeing your work make a difference, this internship is for you.

PHYSICAL & WORK ENVIRONMENT

This role will work in both:

• Office settings
• Production/manufacturing floor environments

Must be able to:

• Walk the production floor regularly
• Occasionally lift or move light materials or tools
• Work safely around manufacturing equipment and processes
• Follow all company safety policies and procedures

WHY ESI

At ESI, our people are what set us apart. We’re proud of our culture, our teamwork, and our commitment to doing great work with great people. This internship is a chance to gain meaningful experience while being part of a company that values growth, improvement, and getting the job done right.