Top Internships in Milwaukee, WI

Year-round mechanical engineering intern supporting maintenance projects at a steel processing plant. Responsibilities include machine and equipment design, plant layout improvements, continuous improvement initiatives, safety and environmental considerations, and collaboration with engineering and maintenance teams from design through implementation. The role is part-time during the academic year and full-time in summer, with hands-on experience in SolidWorks, AutoCAD, Microsoft Office, project management, and problem-solving.

Provides administrative support to the Quality Management System through documentation control, discrepancy and RMA tracking, recordkeeping, calibration data entry, vendor quality documentation, training records, and quality reporting. Maintains controlled documents and supports acceptance and release activities. Works under the Quality Manager while gaining exposure to aerospace quality fundamentals, export and ITAR compliance, and regulated quality processes.

Supports the Customer Experience department by streamlining processes, coordinating cross-functional projects, executing deliverables, maintaining recurring compliance-related work, and fostering collaboration across Services, Success, and Support teams. The intern will receive onboarding, mentorship, routine check-ins, and exposure to multiple teams and stakeholders while working remotely during a 14–16-week term.

Supports talent acquisition tools, learning and development initiatives, HR process improvement, documentation, automation, and employee lifecycle activities. Collaborates with HR colleagues and cross-functional partners on internal initiatives while gaining exposure to recruiting, organizational development, career development, and strategic HR functions.

Supports aerospace proposals, production, field, and repair projects by assisting with cost, schedule, risk, forecasting, budgeting, reporting, stakeholder communication, and cross-functional coordination. The intern collaborates with product line leaders and teams across design, analysis, requirements, hardware, testing, supply chain, manufacturing, and suppliers while contributing to process improvements and successful project delivery.

Supports aerospace program and finance activities through industry analysis, financial analysis, budgeting, forecasting, reporting, proposal support, and process improvement. Collaborates with design, analysis, requirements, hardware, testing, supply chain, manufacturing, and product-line teams while helping manage cost, schedules, risks, milestones, and stakeholder communications across development, production, field, and repair projects.

Supports IT solution design and implementation, analyzes cybersecurity protocols and recommends improvements, and collaborates with data science teams to analyze data and generate actionable insights. The internship provides hands-on experience, mentorship, professional development, and exposure to aerospace technology. Candidates must be enrolled in a relevant bachelor's or higher degree program, maintain a 3.0 GPA, and graduate in December 2027 or later.

Summer intern assisting with IT solution design and implementation, supporting cybersecurity initiatives through security protocol analysis, and collaborating with data science teams to analyze data and generate actionable insights. The role offers hands-on experience, mentorship, and professional development within Honeywell Aerospace. Candidates must remain enrolled in a relevant degree program, maintain at least a 3.0 GPA, and meet U.S. person requirements.

Manufacturing and Industrial Engineering Interns support process improvement, lean and continuous improvement initiatives, production process optimization, quality efforts, manufacturing data analysis, and problem-solving. They collaborate with cross-functional teams and help maintain manufacturing documentation and standard operating procedures while gaining hands-on exposure to manufacturing technologies and equipment.

Supports aerospace research and development by assisting with experiments, prototype testing, data collection, analysis, documentation, and troubleshooting. Collaborates with experienced engineers and team members to validate new concepts, improve project outcomes, and advance Honeywell's technology initiatives.

Summer 2027 interns will support IT solution design, cybersecurity initiatives, and data science projects at Honeywell Aerospace. Responsibilities include implementing business-focused IT solutions, analyzing security protocols and recommending improvements, and collaborating with data science teams to generate actionable insights. Interns receive hands-on experience, mentorship, professional development, relocation benefits, and short-term housing when eligible. The role is available at multiple U.S. locations.

Supports aerospace research and development through experiments, prototype testing, data collection, analysis, documentation, troubleshooting, and collaboration with experienced engineers. The intern contributes to validating new concepts and improving innovative aerospace technologies. The role is available at multiple U.S. locations and includes relocation benefits and short-term housing for eligible interns.

Supports manufacturing and industrial engineering projects focused on process improvement, lean principles, waste reduction, production optimization, quality, data analysis, problem-solving, and maintaining manufacturing documentation and standard operating procedures. The intern collaborates with cross-functional teams, gains hands-on exposure to manufacturing technologies and equipment, and receives mentorship and professional development within Honeywell Aerospace.

Completes transformer mechanical drawings, calculates dimensions and specifications, verifies and updates designs, supports technical training, assists with design scheduling and development projects, and recommends process improvements. The intern works across engineering and operations teams in shop-floor and office environments while pursuing an associate degree in mechanical engineering drafting and design or a related field.

Supports digital marketing automation, data management, customer segmentation, personalization, campaign reporting, process optimization, and AI agent development. The intern will analyze marketing and engagement data, maintain data quality, create dashboards, document workflows, evaluate emerging digital technologies, and collaborate with Marketing, IT, Sales, and Digital teams on business improvement initiatives.

Supports corporate Environmental Health and Safety initiatives through data collection, analysis, auditing, reporting, training-material development, policy maintenance, SharePoint administration, and compliance documentation. Assists with VelocityEHS configuration, data validation, dashboards, analytics, user training, troubleshooting, and continuous improvement. Collaborates with EHS professionals and business leaders while gaining practical experience in EHS management systems and operational safety improvement.

Supports advanced manufacturing projects across fabrication and paint operations, including process improvement, Lean manufacturing, waste reduction, CapEx justification, Industry 4.0 initiatives, OEE data capture, and work-instruction updates. Collaborates with plant operations and corporate engineering, evaluates manufacturing technologies, improves safety, quality, productivity, and costs, and applies CAD/CAE tools to support design for manufacturing. The internship is full-time and on-site, with occasional travel to other facilities.

Supports automation engineers on control-system, electrical, mechanical, robotic, PLC, HMI, testing, troubleshooting, documentation, and project tasks. Participates in training, safety activities, research, jobsite visits, drawing review, and cross-functional rotations involving automation programming, vision systems, machine safety, and panel building. Assists with document control, reporting, data entry, and continuous improvement while gaining practical industrial automation experience.

Year-round mechanical engineering internship supporting equipment upgrades, engineering drawings, safety and ergonomic improvements, and process improvement projects in a steel manufacturing facility. The intern will collaborate with engineering, operations, contractors, and suppliers while gaining hands-on manufacturing experience. The role is part-time during the academic year and full-time during summer.

Supports the Supply Chain team with sourcing, procurement, analytics, and process improvement. Responsibilities include creating Power BI dashboards, assisting with supplier RFPs, analyzing proposals, reporting insights, developing performance metrics, and contributing to system and process improvements. The intern will collaborate cross-functionally, work on real utility-industry projects, and gain exposure to sourcing and supply chain performance measurement.

Supports customer orders from receipt through fulfillment by coordinating with procurement, production, planning, and logistics teams. Monitors order status, communicates updates, addresses issues, and assists with demand, inventory, and fulfillment planning. Analyzes operational data, identifies trends, supports decision-making, and contributes to continuous improvement initiatives that improve service levels, efficiency, and on-time delivery.

Mechanical Engineering Intern assisting with plumbing system design for commercial and institutional buildings. Responsibilities include drafting domestic water, sanitary, and specialty piping systems; preparing CAD/Revit drawings and construction documents; supporting system calculations, equipment selection, and code compliance; collaborating with engineers; and participating in site visits. The role provides mentorship and practical building systems consulting experience.

Supports municipal public works projects involving construction inspection, administration, documentation, testing, contractor and resident coordination, permits, technical reports, CAD work, and project estimations. Projects may include water and wastewater systems, roads, utilities, trails, and stormwater management. The internship is intended for students pursuing civil or environmental engineering and seeking consulting experience with municipal projects.

Full-time summer mechanical engineering internship supporting product development for generators and power tools. Responsibilities include creating CAD models, drawings, and bills of materials; designing and validating components; supporting testing, simulation, manufacturability, cost, reliability, and safety evaluations; developing product specifications; and collaborating with manufacturing, design, and product teams. The role is onsite at Generac facilities in Wisconsin and may require travel to other company locations.

Full-time summer intern supporting data science, AI and machine learning, data engineering, and product analytics initiatives. Responsibilities include analyzing data, developing models, supporting product and process validation, creating CAD models and engineering drawings, evaluating design effectiveness, and collaborating with manufacturing and product teams. The role is on-site and may require travel to other Generac facilities.