Apps Programmer Intern (Summer 2025)

Welcome to a career that is built to last.

Ready to kickstart your career with a growing company that’s powering innovation in the industry? We’re looking for an Apps Programmer Intern to join our dynamic team in the Sioux Falls, SD or Sioux Center, IA office! If you have experience with PLCs or HMIs and are excited about working on control systems programming for cutting-edge manufacturing clients, this is the perfect opportunity. At Interstates, we’re all about innovation, building strong relationships, and delivering safe, reliable solutions—both within our team and for our customers. Sound like your kind of challenge? We would like to see your application.

Who We Are

Thrive in a Values-Driven Environment

Our core values were engineered to build relationships that make a difference in the lives of our teams, clients, and community. What do our values mean to you?
     ● Dependability
     ● Integrity
     ● Trust
     ● Quality
     ● Family

Company Culture that Puts You First

We promote an environment of caring co-workers that treat each other like family. We vow to uphold excellent safety standards and foster supportive teams that put you and your family first. At Interstates, this means:
     ● Being treated and valued as a person
     ● Providing opportunities for education and personalized careers paths leading to professional growth
     ● Having a flexible schedule that allows you to balance your personal life with work
     ● Receiving opportunities for team engagement through social gatherings
     ● Supporting charities and the community with Interstates-sponsored events

What Drives Us

For seventy years, our people-centered approach has empowered us to navigate complex challenges and develop innovative solutions for our clients. Our 'why' gives us direction and motivation. It has guided us to where we are today. We are driven to provide opportunities for our people, make a difference with our clients and communities, and pursue a better way.

While every day is a little unique, click here to check out a day in the life with Interstates.

Prosper at Interstates

What You’ll Be Doing

• Control System Programming - PLC (Programmable Logic Controller) and/or the HMI (Human Machine Interface), and databases, and thus could require programming in several PC languages.
• Works within project teams to develop the scope of a project including defining how the system should work with clients, electrical engineers, control system programmers, and information system programmers to deliver integrated automation solutions.
• Programming, implementation, testing and documentation of an application which may include programming of one or more parts of the system. This would include advanced programming of databases, user interfaces, and external system interfaces.
• Available for after hours support and possible pager duty.
• Other duties may be assigned

Knowledge and Expertise for this role

• Currently pursuing your Bachelor's degree (B.A., B.S.) from four-year college or university with an emphasis in Computer Studies or some branch of Engineering (Electrical, Mechanical, Chemical, etc.) or Associate’s degree (A.A., A.S.) from a two-year community college or technical school with an emphasis in Computer Studies or Instrumentation and Controls preferred or two degree computer science, software development, or other related technical field.
• Or equivalent combination of education and related experience/training
• Experience in programming in the Industrial Environment, implementing Industrial Control Software (Startup) and experience in dealing with customers regarding system requirements
• Experience with object oriented programming, user interface development, database systems, and system integration

Preferred skills or industry knowledge

• Value-add Ag such as: Ethanol, Seed Oil, Petfood
• Food & Bev
• Continuous Process
  

Location and Travel

This position and individual will be based out of our Sioux Falls, SD or Sioux Center, IA office. Travel may be required to support control systems at Customer sites. The amount of travel will vary according to business requirements. 

Interstates is an Equal Opportunity/AA Employer and provides a drug-free work environment.