The Mechanical Engineering Intern at Control Devices LLC is primarily responsible for supporting the Product Engineering, Manufacturing Engineering, and Quality Engineering groups with various tasks including document control, CAD drawing, design work, production testing, and more. This role involves working closely with different engineering teams to contribute to product development, tooling, and production processes.

Engineering Intern

Mechanical Engineering Intern

As a Mechanical Engineering Intern at Jacobs in St Louis, MO, you will play a crucial role in solving real-life challenges and impacting the world around you. You will support teams on critical projects, gain exposure to project coordination, relevant computer-assisted engineering software, data collection, and more. This role offers the opportunity to work alongside professional engineers and designers, fostering a culture of continuous learning and inclusion while paving the way for your career.

Mechanical Engineering Intern - Summer 2025

Burns & McDonnell is seeking a Mechanical Engineering Intern responsible for performing tasks requiring the application of standard engineering techniques and procedures. This includes standard design of engineering systems, correcting and updating designs, assisting lead engineers with various project duties, and other duties as assigned. The internship is available in various market segments, including Global Facilities and Power, with responsibilities varying depending on the market.

Mechanical Engineering Intern (St. Louis)

Avancez Assembly is offering an Engineering Intern position at their Arlington Facility. This role involves developing and updating Standardized Work Instructions for assembly processes, completing Level One ergonomic job analyses, creating and updating layouts in 2D AutoCAD, and assessing production validation runs against performance metrics. The ideal candidate will have proficiency in Microsoft Office, specifically Microsoft Excel, and good communication skills. This is a remote position with minimal travel required.

Haleon is offering a Summer Internship in Engineering, providing an opportunity to work on projects and maintain the facility while adhering to Environmental Health & Safety Department and Quality compliance requirements. This role involves a rotation in project management, project engineering, automation, and process engineering, with potential opportunities in cleaning validation. The intern will assist in creating and implementing projects, ensuring quality and timeliness, and may also support in areas such as process safety engineering and facility risk assessments.

2025 Summer Intern: Engineering Internship

Haleon is offering a Summer Internship in Engineering, providing an opportunity to work on projects and maintain the facility while adhering to Environmental Health & Safety Department and Quality compliance requirements. This role involves a rotation in project management, project engineering, automation, and process engineering, with potential opportunities in cleaning validation. The intern will assist in implementing projects, ensuring quality and timeliness of project results, and interact efficiently with peers and management.

The Software Engineer Intern at Workiva will implement developer tools or product features under the guidance of a senior developer, working within an agile development methodology. This role involves conducting code reviews, unit tests, and managing job assignments and status updates using internal tools. The position offers a unique opportunity for learning and development through additional internship seasons.

2025 SUMMER INTERN - SOFTWARE ENGINEER

Software Engineer Intern

The Engineer I at Marriott St. Louis Grand is responsible for responding to guest repair requests, performing preventive maintenance on various equipment, and ensuring the upkeep of maintenance inventory. This role involves a wide range of tasks including electrical, mechanical, plumbing, and carpentry work, as well as general building maintenance. The position requires a high school diploma or equivalent, with some experience in general maintenance and surface preparation preferred. No supervisory experience is required.

Engineer I

The Data Engineer Intern at Workiva will be part of a collaborative team, contributing to the development of distributed services to support multiple data analytics teams and business intelligence engineers. This role involves building reliable and easy-to-use systems for data ingestion and processing, assisting in deploying integration and production code, and ensuring the delivery of value to business partners.

2025 SUMMER INTERN - DATA ENGINEERING

Data Engineer Intern

Olsson's Traffic/Technology team offers an Engineering Internship focused on innovative solutions for traffic management, signal systems, and Intelligent Transportation Systems (ITS). Interns will perform hands-on, real-world work using CAD software for plan creation, traffic design, and the opportunity to be involved in traffic operations, signal timings, safety studies, and pedestrian circulation studies. This role provides a transformative experience for engineering students, contributing to community improvement.

Engineering Internship - Traffic/Technology

The Engineering Intern at Hubbell Power Systems will support the development of Printed Circuit Board Assemblies (PCBA) for high volume electronic products in the Automated Metering Infrastructure (AMI) industry. This role involves contributing to the development of documentation and PCBA deliverables from concept to production launch, assisting in PCBA bring up for prototypes and new designs, and data capture for RF Simulation of PCBAs and associated antennas.

As a Consultant Engineer Intern at FM, you will have the opportunity to influence outcomes and make a difference in the future by applying your engineering knowledge to real-world situations. This role involves a variety of tasks including field visits, office work, and special projects, providing a comprehensive learning experience in risk management and property insurance solutions. You will gain practical engineering knowledge, participate in training, and experience the company's unique business model through shadowing and hands-on site assessments.

Consultant Engineer Intern

Randstad Digital is seeking early to mid-level Mechanical Engineers to join our team supporting a client in the aerospace industry. This remote position supports central time hours and involves converting legacy drawings into NX CAD files, scrutinizing designs for accuracy, analyzing tolerance stack ups, and performing basic hand calculations to ensure legacy designs are still viable in the current use case.

mechanical engineer

Mechanical Engineer

The Mechanical Engineer at Actalent will provide project management and mechanical (HVAC) design services on a variety of building projects. Responsibilities include project and team management, technical design, production of construction documents, creating and maintaining project schedules, and coordination of project designs with other disciplines. The role requires a degree in Architectural or Mechanical Engineering, professional registration, and at least 5 years of related MEP experience, including some project management experience.

The Machine Learning Engineering Intern at Workiva will act as part of a collaborative team within the Data Management and Analytics organization, focusing on supporting the development, deployment, and monitoring of machine learning models. This role involves participating in various stages of the machine learning lifecycle, including discovery, requirements gathering, prototyping, and code reviews, under the guidance of a full-time Machine Learning Engineer.

2025 SUMMER INTERN - MACHINE LEARNING ENGINEERING

Machine Learning Engineering Intern

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Mechanical Engineer Intern Jobs in Saint Louis, MO Hiring Now

Engineering Intern

Mechanical Engineering Intern - Summer 2025

Mechanical Engineering Intern (St. Louis)

Engineering Intern

2025 Summer Intern: Engineering Internship

2025 Summer Intern: Engineering Internship

2025 SUMMER INTERN - SOFTWARE ENGINEER

Engineer I

2025 SUMMER INTERN - DATA ENGINEERING

Engineering Internship - Traffic/Technology

Engineering Intern

Consultant Engineer Intern

mechanical engineer

Mechanical Engineer

2025 SUMMER INTERN - MACHINE LEARNING ENGINEERING