Internships in Saint Peters, Missouri, United States

Veterinary Emergency Group (VEG) invites veterinary technology students to join an immersive, hands‑on externship in emergency medicine. Over a flexible period, participants shadow credentialed technicians, assisting with triage, diagnostics, anesthesia, and inpatient care in a fast‑paced ER environment.

Bascom Hunter is seeking a Mechanical Engineering Intern to support the design, development, analysis, and testing of aerospace and defense systems. This position provides hands-on engineering experience across a range of mechanical technologies, including thermal management systems, precision rotating machinery, mechanical packaging, and ruggedized electronic systems.

Bascom Hunter is seeking a hands-on Engineering Technician / Assembly Intern to support the assembly, integration, and testing of aerospace and defense products and systems. This position is ideal for someone who enjoys working directly with hardware, using tools, assembling components, troubleshooting problems, and seeing a product come together from individual parts through final testing.

Bascom Hunter is seeking an Electrical Engineering Intern to support the development, integration, and testing of aerospace and defense systems. This position provides hands-on engineering experience across a variety of projects, including defense electronics, embedded and digital systems, test equipment, and thermal management and control systems.

Bascom Hunter is seeking an Industrial Engineering Intern to support process improvement, operational efficiency, and data-driven decision-making across our aerospace and defense operations. The intern will work with engineering, operations, manufacturing, and technical teams to evaluate existing processes, identify opportunities for improvement, and implement solutions that improve efficiency, quality, consistency, and scalability.

Engineering Co-Op at Rawlings Sporting Goods, split between Quality Assurance and Product Development at the O'Fallon, MO Tech Center. Works on testing sporting goods, creating specifications, and supporting new product development under the Director of Research and Engineering.

Join our dynamic team as an Engineering Intern, where you'll have the opportunity to contribute to cutting-edge projects and gain hands-on experience in the aerospace industry. Collaborate with skilled professionals, enhance your technical skills, and immerse yourself in the innovative environment of our organization, driving advancements in aerospace technology.

This position reports to a Support Team Lead or to the Support Manager. This will be an internship in our Member Support division and is an entry level role working with our Energy solutions.

NISC is a cooperative that has delivered enterprise-level and customer-facing software solutions for over 960 utilities and broadband providers across North America for more than 50 years. This Software Development Intern reports to a Software Engineering Team Lead and collaborates with other developers to design, develop, and maintain NISC’s Utility, Broadband, Financials, Operations software and/or mobile applications.

This position reports to a Support Team Lead or to the Support Manager at our Lake Saint Louis, Missouri, office location. This is an internship in our Member Support division and is an entry level role working with our Operations solutions.

NISC is seeking a Data Engineer Intern to join its Data Engineering team, supporting enterprise software and data strategy for over 1,200 utilities and broadband providers across North America. You will assist in building and maintaining data pipelines, contribute to data architecture using AWS and Databricks, and collaborate with developers, analysts, and product teams on real-world projects.

The College Financial Representative Internship Program at Northwestern Mutual in Chesterfield, MO, US, is an on-site opportunity for full-time students to build an integrated financial planning practice from the ground up. You will prospect and network to grow a client base, develop and execute business strategies, call on potential clients, prepare financial plans, and engage in weekly coaching and training.

The Data Collection and Digital Phenotyping Intern at Bayer Crop Science supports research goals by collecting imagery and remote sensing data from field trials and collaborating with Field Testing, Data Science, and Computer Vision teams. Day-to-day work includes operating LiDAR and multi-spectral sensors, performing manual ground-truthing for agronomic assessments, and contributing to large-scale data workflow improvements.

Bayer's Crop Science division in Chesterfield, Missouri, seeks an S&T Environmental Toxicology Intern (also titled Regulatory Science Intern) to join a dynamic team advancing scientific rigor, safety, and regulatory excellence. Day-to-day, you will lead a guided process improvement project, support laboratory and service activities, maintain experimental records and equipment quality, and present final recommendations at the internship's conclusion.

In this R&D Plant Biology Co‑op role, you will support the technical development for greenhouse and growth chamber plant production and testing workflows, collaborating with researchers and scientists to achieve shared research goals and technical milestones.

Blink Health Pharmacy team builds digital platforms to make prescriptions affordable and accessible. As a Pharmacy Intern you will intake, process, and fulfill prescription orders, handle patient and provider communications, and ensure compliance with state and federal regulations.

Northwestern Mutual College Financial Representative Internship Program builds future financial planners by providing guidance, networking, and a framework to develop an integrated financial planning practice. Interns prospect clients, execute business strategies, prepare plans, and engage with proprietary planning software while receiving weekly coaching and training.

College Financial Representative Internship Program at Northwestern Mutual builds future financial planners through hands‑on mentorship and a structured framework. Interns prospect clients, develop business strategies, and prepare financial plans while receiving weekly coaching and training on proprietary software.