21 prototype engineer jobs at 15 companies in Belvidere, IL
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Packaging Engineer
Itasca, Illinois, United States
$70k-$80k/yr OnsiteFull Time
2+ YOEBachelor's in packaging or engineering or equivalent experience, 2+ years packaging/design experience, Eng View and AutoCAD proficiency, prototype and testing experience, knowledge of corrugate materials and ISTA/ASTM testing.
Eng View, AutoCAD, ArtiosCAD, Kongsberg sample tables
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Product Engineer
Fort Atkinson, Wisconsin, United States
OnsiteFull Time
2+ YOEDegree in engineering or mechanical design technology with relevant years of experience; solid modeling experience (Creo/ProE); knowledge of sheet metal, welding, machining; ERP and Microsoft Office proficiency; ability to prototype and perform mechanical calculations.
Creo/ProE, ERP, Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project
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Principal Engineer - Electrical
Round Lake, Illinois, United States
$112k-$154k/yr HybridFull Time
5+ YOEBS in Electrical Engineering, 5+ years hardware design experience (medical/regulatory preferred), analog/digital circuit and PCB design, lab equipment proficiency, prototype development, testing, and regulatory documentation.
PCBA, PCB, oscilloscope, current probes, spectrum analyzer, DMM
3mo
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Senior Mechanical Engineer
Bartlett, Illinois, United States
$90k-$130k/yr OnsiteFull Time
7+ YOESenior Mechanical Engineer with 7+ years in mechanical design, CAD, robotics/automation; BS in Mechanical Eng; CAD proficiency; prototyping/testing; on-site installation experience.
SolidWorks, CREO, Autodesk Inventor, CAD
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SR DESIGN ENGINEER
Vernon Hills or Galesburg
$110k-$130k/yr HybridFull Time
10+ YOEMechanical engineering degree,10+ years PTC Creo and 3D modeling/drawing experience,heat exchanger and thermal transfer knowledge,prototype build and manufacturability experience,ability to create drawings and interface with suppliers.
PTC Creo
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Applied Content Engineer
Schaumburg, Illinois, United States
$90k-$110k/yr OnsiteFull Time
Fictiv: On-demand manufacturing platform for custom mechanical components.
3+ YOEBachelor's in mechanical engineering, 3+ years mechanical design/systems experience, strong CAD and parametric modeling, prototyping and fabrication experience, BOM creation, and clear technical communication.
CAD, Parametric modeling, Bills of Materials (BOM), QMS, 3D printing, Machining
2mo
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Testing and Prototyping Engineer (West Chicago, IL, US, 60185)
West Chicago, Illinois, United States
$66k-$79k/yr OnsiteFull Time
2+ YOEBachelor's in mechanical/materials/manufacturing/industrial engineering; hands-on lab/prototype work; strong communication; willingness to learn across materials and testing methods.
Excel, PowerPoint, data analysis software, 3D CAD software
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Principal/Sr. Principal Power Supply Engineer
Rolling Meadows, Illinois, United States
$109k-$163k/yr OnsiteFull Time
5+ YOEBachelor's in electrical/computer engineering, 5+ years power electronics design (or 3+ with MS), switch-mode power supply and prototyping experience, ability to obtain DoD Secret clearance, familiarity with DOORS/ClearCase/ClearQuest.
DOORS, ClearCase, ClearQuest, Cadence Concept/Allegro, LTSPICE
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Senior Electrical Engineer
Aurora, Illinois, United States
$102k-$130k/yr HybridFull Time
4+ YOEU.S. citizenship, BSEE/MSEE required, 4+ years circuit card design experience, extensive lab and prototype testing experience, MIL-STD/DO-160 familiarity, strong verbal/written communication.
Altium Designer, Siemens/Mentor Xpedition, OrCAD, Microsoft Excel, Microsoft Word, Visio, Microsoft Project
2mo
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Lead R&D Engineer (Libertyville, IL, US, 60048-3781)
Libertyville, Illinois, United States
$110k-$155k/yr HybridFull Time
6+ YOEBachelor's (8 years) or Master’s (6 years) in a technical discipline with medical device experience; advanced knowledge of design controls, risk management, DOE, FMEA, DHF, V&V; SolidWorks and prototyping experience; ability to lift 15–25 kg and travel as needed.
SolidWorks, Stage Gate, Design Controls, Design of Experiments (DOEs), Failure Mode Effects Analysis (FMEA), Design History File (DHF), Verification and Validation (V&V)
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R&D Senior Engineer
Lake Zurich or North Barrington
$95k-$160k/yr OnsiteFull Time
3+ YOEBachelor's or Master's in biomedical/mechanical/related engineering required; 3+ years medical device engineering experience; SolidWorks and Microsoft Office proficiency; experience with design controls, V&V, risk management, prototyping, and manufacturing transfer.
SolidWorks, Microsoft Office
2mo
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Mobile app Developer (Paid Internship)
Fort Atkinson or Madison
$30/hr HybridMultiple Commitments Available
1+ YOEBuild a mobile prototype with on-device object detection using YOLO variants; prepare annotated dataset (300–500 images); train, optimize, and export models (CoreML/TensorFlow Lite); embed models on edge; proficiency in Python, OpenCV/PyTorch/TensorFlow, and mobile frameworks; US work authorization and portfolio/GitHub required.
Python, YOLOv8, YOLOv11, YOLO-NAS, YOLOX, Roboflow, CVAT, CoreML, TensorFlow Lite, OpenCV, PyTorch, TensorFlow, Apple Neural Engine, GPU, Dart/Flutter, JavaScript/React Native, Swift, Kotlin, GitHub
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Engineering Technician II
Whitewater, Wisconsin, United States
OnsiteFull Time
2+ YOEHigh school diploma, 2 years relevant experience, proficiency with Microsoft Office, able to perform electrical/mechanical/environmental tests, use measurement devices, assemble prototypes, and document results.
Microsoft Office, ISO 17025, DVOM, clamp meter, IR, thermometer, engine dynamometer
2mo
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Engineering Technician
Roselle, Illinois, United States
$28-$32/hr OnsiteFull Time
5+ YOEAssociates degree or equivalent; 5+ years’ experience in development or technical support of industrial equipment; read electrical/mechanical schematics; perform troubleshooting; assemble/breakdown prototype equipment; travel up to 10% domestically.
Forklift, Caliper, Micrometer, Tape Measure, Drill, Hammer, Wrench, Welding, Plasma Cutting
2mo
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Product Builder
Schaumburg, Illinois, United States
$128k-$179k/yr HybridFull Time
2+ YOEBachelor's in STEM or business, 2+ years product/technical experience, experience with AI agents and prototyping preferred, strong product discovery, requirements writing, and engineering collaboration skills.
1mo
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Principal Product Manager, Industrial AI | Engineering & Construction
Itasca, Illinois, United States
$190k-$215k/yr HybridFull Time
6+ YOE6+ years product management in SaaS/enterprise, domain experience in engineering & construction, product strategy, customer discovery, prototyping, AI/ML familiarity, data-informed decision making, strong communication and stakeholder skills.
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