SUMMER 2026 ENGINEERING INTERN

EXTRAORDINARY PEOPLE. EXCITING POSSIBILITIES. GREAT OPPORTUNITY.Custom Truck One Source has changed the way the industry looks at specialized trucks and heavy equipment solutions. With sales, rentals, aftermarket parts and service, equipment customization, remanufacturing, financing solutions, and asset disposal, our team of experts, vast equipment breadth and integrated network of locations across North America offer superior service and unmatched efficiency for our customers. Your success is what's next with Custom Truck One Source.SummaryFounded to serve the specialized needs of the commercial truck and equipment industry, Custom Truck One Source has grown into a leading provider of custom-built vehicles, including bucket trucks, dump trucks, cranes, and mobile hydraulic equipment.As an Engineering Intern, you'll gain hands-on experience designing and supporting innovative solutions for these specialized vehicles and equipment.You will work closely with experienced engineering peers, mentors and managers to develop technical skills in electrical, mechanical, or manufacturing engineering, while contributing to real-world projects that drive our mission of delivering customized, high-quality trucks and equipment.This internship offers a collaborative environment, exposure to industry-leading technologies, and the opportunity to make a meaningful impact on our products and customers.What you will doSupport a variety of engineering tasks with the goal to develop technical, social, and ethical skillsLearn basic principles of EngineeringWork under the guidance of experienced engineers on design projectsExercise responsible and ethical decision-making regarding company resources and conductElectrical Engineers - System designSchematic creation and maintenance3D conductor routing and CAD modelingCreation of harness and pinout drawingsElectrical component sizing, specification, and selectionTroubleshooting electrical issues on a range of productsProviding guidance to shop floor on new installationsDeep understanding of Bill of Material (BOM) structuresCreate detail drawings of 3D models (SolidWorks)Assist technical publications in creation of manuals (parts books, service manuals, operator manuals)Manufacturing EngineersDocument designs using 3D solid (SolidWorks and/or OnShape) and 2D drafting software (AutoCAD)Evaluate weight and balance issues for road worthiness and crane stabilityAssist Manufacturing Engineering with development of work ordersMaintain revision control on drawings and other controlled documentsGenerate manuals for designed equipment as requiredData entry for Product Data Management systemMechanical EngineersDocument designs using 3D solid (SolidWorks and/or OnShape) and 2D drafting software (AutoCAD)Create detailed drawings of 3D models (SolidWorks and/or OnShape)Create sales support drawingsAnalyze product failures, develop repairs and redesign accordinglyEvaluate weight and balance issues for road worthiness and crane stabilityAssist Manufacturing Engineering with development of work ordersMaintain revision control on drawings and other controlled documentsGenerate manuals for designed equipment as requiredData entry for Product Data Management systemWhat you will bringPursuit of Bachelor's Degree in Electrical, Electronics, Manufacturing, Mechanical or Aerospace EngineeringProficiency in 2D and 3D CAD software such as SolidWorks, OnShape, Inventor, AutoCAD, Draftsight, etcProficiency in MS Office, specifically Excel and Word Required Skills and QualificationsPreferred Skills and QualificationsElectrical Engineer CandidatesKnowledge of controls programmingKnowledge and experience with CAN bussExperience with SolidWorks CAD softwareExperience with SolidWorks Electrical RoutingDesign software - 2D (AutoCAD preferred)Other RequirementsRegular, reliable attendanceWork productively and meet deadlines timelyCommunicate and interact effectively and professionally with supervisors, employees, and others individually or in a team environmentPerform work safely and effectively; understand and follow oral and written instructions, including warning signs, equipment use, and other policiesAbility to sit in an office setting and perform computer workAbility to walk shop floor with workers and see issues firsthandOperation and review of construction equipment may be occasionally required; proper training will be provided prior to operation if necessaryThis job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee. Duties, responsibilities and activities may change, or new ones may be assigned at any time with or without notice.Custom Truck One Source is an Equal Opportunity Employer and provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.Please note that we do not offer sponsorship for work authorization. Only candidates authorized to work in United States without the need for sponsorship will be considered for this position.