16 prototype engineer jobs at 8 companies in Beloit, WI

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Mechanical Engineer I
Sun Prairie, Wisconsin, United States
OnsiteFull Time
AprilAire
AprilAire: Manufacturer of professional-grade indoor air quality and HVAC solutions.
Bachelor's in Mechanical Engineering required, SolidWorks experience, GD&T knowledge, prototype build/test ability, manufacturing/prototyping experience preferred, strong analytical and communication skills.
SolidWorks, Microsoft Office
1mo
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Mechanical Engineer I
Sun Prairie, Wisconsin, United States
OnsiteFull Time
AprilAire
AprilAire: Manufacturer of residential indoor air quality solutions.
Bachelor's in Mechanical Engineering; SolidWorks and GD&T knowledge; prototyping, testing, and manufacturing experience preferred; strong analytical, communication, and problem-solving skills.
SolidWorks, Microsoft Office
4w
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Senior Engineer – Mechanical
Sun Prairie, Wisconsin, United States
HybridFull Time
AprilAire
AprilAire: Manufacturer of professional-grade indoor air quality and HVAC solutions.
10+ YOEBS in Mechanical Engineering required (Master's preferred), 10+ years engineering experience, proven innovation record (patents), prototyping and testing expertise, CAD experience, market research and cross-functional leadership.
CAD
4w
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Senior Engineer – Mechanical
Sun Prairie, Wisconsin, United States
HybridFull Time
AprilAire
AprilAire: Manufacturer of residential indoor air quality solutions.
10+ YOEBS in Mechanical Engineering required (MS preferred), 10+ years engineering experience, strong prototyping/testing and CAD skills, record of patents or novel concepts, market research and cross-functional leadership.
CAD
1mo
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Mechanical Engineer I
Sun Prairie, Wisconsin, United States
OnsiteFull Time
AprilAire
AprilAire: Manufacturer of indoor air quality and HVAC control products.
Bachelor's in Mechanical Engineering required. SolidWorks and Microsoft Office experience, knowledge of GD&T, prototyping and testing experience, manufacturing familiarity, strong analytical and communication skills.
SolidWorks, Microsoft Office
1w
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Mechanical Engineer I - Adv Tech
Sun Prairie, Wisconsin, United States
OnsiteFull Time
AprilAire
AprilAire: Manufacturer of residential indoor air quality solutions.
Bachelor's in Mechanical Engineering, knowledge of mechanics/thermodynamics/fluid dynamics, prototyping and testing experience, Solid problem-solving and communication skills.
SolidWorks, Microsoft Office
4w
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Senior Engineer – Mechanical
Sun Prairie, Wisconsin, United States
HybridFull Time
AprilAire
AprilAire: Manufacturer of indoor air quality and HVAC control products.
10+ YOEBS in Mechanical Engineering required (MS preferred), 10+ years relevant experience, proven innovation/patents, expertise in prototyping, testing, CAD, market research, and cross-functional leadership.
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Innovation Product Design Engineer III
Middleton, Wisconsin, United States
OnsiteFull Time
Springs Window Fashions
Springs Window Fashions: Manufacturer of custom window treatments, blinds, and shades.
6+ YOEBS in Engineering, 6+ years engineering experience, strong mechanical fundamentals, plastics and mechanism design, SolidWorks proficiency, prototyping and consumer testing experience.
SolidWorks
3w
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Product Engineer
Fort Atkinson, Wisconsin, United States
OnsiteFull Time
Spacesaver
Spacesaver: Manufacturer of high-density mobile shelving and specialized storage systems.
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
Baxter
BaxterNew York Stock Exchange: BAX: Develops and manufactures medical devices, pharmaceuticals, and IV solutions.
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
1w
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Mechanical Engineer I - Adv Tech
Sun Prairie, Wisconsin, United States
OnsiteFull Time
AprilAire
AprilAire: Manufacturer of indoor air quality and HVAC control products.
Bachelor's in Mechanical Engineering required; knowledge of mechanics, thermodynamics, fluid dynamics; prototyping, testing, machining/brazing experience a plus; SolidWorks and Microsoft Office skills; ability to travel and work in lab environment.
SolidWorks, Microsoft Office
3d
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NPD Product Design Engineer II
Middleton, Wisconsin, United States
OnsiteFull Time
Springs Window Fashions
Springs Window Fashions: Manufacturer of custom window treatments, blinds, and shades.
4+ YOEBS in Engineering and 4+ years experience; strong 3D CAD (SolidWorks/AutoCAD), prototype and materials experience; familiarity with QFD, PLM/ERP, MS Project/SmartSheets, and strong communication and problem-solving skills.
SolidWorks, AutoCAD, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, MS Project, SmartSheets, PLM, ERP, QFD, 5S
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Senior Mechanical Systems Engineer, PDM
Madison, Wisconsin, United States
OnsiteFull Time
Realta Fusion
Realta Fusion: Developing compact, modular magnetic mirror fusion energy systems.
5+ YOEBS in Mechanical Engineering plus 5+ years' experience; expert PDM/PLM and CAD skills (SolidWorks, Siemens, ANSYS, COMSOL, PTC); BIM (Revit/Navisworks); GD&T and P&ID proficiency; prototyping and large-scale manufacturing experience; PDM administration and mentorship.
PDM/PLM, SolidWorks, Siemens, ANSYS, COMSOL, PTC, Revit, Navisworks, ERP, EAM, MCNP, OpenMC, CMMs, laser trackers, FARO arms, CAD
1mo
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R&D Senior Engineer
Lake Zurich or North Barrington
$95k-$160k/yr OnsiteFull Time
Medical Murray
Medical Murray: Development and contract manufacturing of complex medical devices.
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
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Mobile app Developer (Paid Internship)
Fort Atkinson or Madison
$30/hr HybridMultiple Commitments Available
Complete TransPack Solutions
Complete TransPack Solutions: Provides transport packaging management and logistics services for manufacturers.
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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R&D Scientist (Madison, WI, US, 53711)
Madison, Wisconsin, United States
OnsiteFull Time
AMETEK
AMETEKNYSE: AME: Manufacturer of electronic instruments and electromechanical devices.
6+ YOEMS or PhD in Materials Science/Engineering/Physics required; 6+ years industry experience; experience with UHV, high voltage, ion/electron optics, prototyping, CNC, Solidworks; proficiency with Python, Lab-View, and simulation tools.
Lorentz, Comsol, Python, AI code generation, National Instruments Lab-View, Mathematica, MatLab, Solidworks, CNC