23 prototype engineer jobs at 21 companies in Middletown, DE

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Engineer
Chestertown, Maryland, United States
$60-$70/hr OnsiteFull Time
The Dixon Group
The Dixon Group: Manufacturer of industrial hose fittings and fluid control products.
5+ YOEBachelor's in mechanical/manufacturing/engineering technology (or associate with experience); 5+ years in mechanical design, machining, prototype fabrication; SolidWorks, GD&T, CNC proficiency; strong mechanical aptitude and problem solving.
SolidWorks, CNC, GD&T
1mo
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Project Engineer, Electrical
Towson, Maryland, United States
$90k-$145k/yr HybridFull Time
Stanley Black & Decker
Stanley Black & DeckerNYSE: SWK: Manufacturer of power tools, hand tools, and outdoor equipment.
5+ YOEBachelor’s in Engineering; 5+ years electronics engineering; analog hardware design; power electronics; DFMEA; troubleshooting; prototype development; manufacturing readiness.
Analog electronics, Power electronics, DFMEA, Circuit prototyping, Engineering documentation
1mo
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Mechanical Engineer
Exton, Pennsylvania, United States
$90k-$110k/yr OnsiteFull Time
All-Fill
All-Fill: Manufacturer of custom industrial packaging and filling machinery.
4+ YOEMechanical design of packaging machinery with AutoCAD and SolidWorks; 4+ years machinery design experience; associate or bachelor in Mechanical Engineering; strong problem-solving, communication, and prototyping skills.
AutoCAD, SolidWorks
2mo
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Project Engineer II
Montgomeryville, Pennsylvania, United States
OnsiteFull Time
ThermoSafe
ThermoSafe: Manufacturer of temperature-controlled packaging solutions for cold chain logistics.
2+ YOELead packaging/product development projects; collaborate across engineering, product development, and R&D; design prototypes; evaluate technologies; strong communication.
Solidworks, PowerPoint
1mo
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Senior Mechanical Engineer
Winter Park or Huntsville or Auburn or Opelika or Orlando or Niceville or Fort Walton Beach or Atlanta or Warner Robins or Dayton or Boston or Salt Lake City or Aberdeen
$110k-$160k/yr OnsiteFull Time
Integrated Solutions for Systems
Integrated Solutions for Systems: Provides engineering, systems integration, and research for defense.
7+ YOEBachelors in Mechanical Engineering, 7+ years mechanical design and prototype experience, SolidWorks and CAD proficiency, hands-on hardware integration and troubleshooting, ability to obtain SECRET security clearance.
SolidWorks, CAD
2mo
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Sr. Engineer - Electronics
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Ghost Robotics
Ghost Robotics: Developing autonomous quadrupedal robots for defense and industrial applications.
7+ YOE7+ years PCB schematic and layout experience, Altium Designer expertise, prototype bring-up through volume production, high-speed digital and power electronics design, ability to mentor engineers, Bachelor\u0002s in Electrical Engineering.
Altium Designer, NVIDIA Jetson, Ethernet, USB 3.x, PCIe
1mo
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Research Engineer, Mechanical
Newark, Delaware, United States
OnsiteFull Time
Air Liquide
Air LiquideEuronext Paris: AI: Supplies industrial gases, medical gases, and related technologies.
3+ YOEMaster's or Bachelor's in Mechanical, Electrical, or Software Engineering; 3+ years in rapid prototyping, system integration, and tech transfer; CAD, 3D printing, C++, Python, machine tool experience; strong problem-solving and communication skills.
Computer Aided Design (CAD), 3D Printing, machine tools, C++, Python
3mo
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R&D Materials Engineer
Newark, Delaware, United States
$71k-$116k/yr OnsiteFull Time
Coherent
CoherentNYSE: COHR: Manufactures lasers, engineered materials, and optical networking components.
0+ YOEBS in Materials Engineering; 0-5 years in advanced materials; hands-on prototyping, characterization, and process improvement; familiar with ceramics and metal matrix composites.
Creo, Solidworks, Office, Oracle, Cumulus, Agile
1mo
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Senior Electrical Engineer
Malvern, Pennsylvania, United States
OnsiteFull Time
Neuronetics
NeuroneticsNASDAQ: STIM: Sells brain stimulation devices and operates mental health clinics.
10+ YOEBachelor's in Electrical Engineering, 10+ years product development experience, expertise in analog/digital circuit design, power electronics, microcontrollers/firmware, simulation and prototyping, IEC 60601-1 experience preferred, ability to lift 50 lbs, occasional US travel, must be authorized to work in the US.
2mo
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Mechanical Engineer (Entry Full-Time & Intern Positions)
Baltimore, Maryland, United States
$72k-$87k/yr OnsiteFull Time, Internship
Key Tech
Key Tech: An engineering focused on high-tech medical devices and turnkey design and development.
0+ YOEEntry-level and internship opportunities; hands-on mechanical design, rapid prototyping, and testing of assemblies.
SolidWorks, Finite Element Analysis, Rapid Prototyping
3mo
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Senior Mechanical Engineer
New Castle, Delaware, United States
OnsiteFull Time
Waters Corporation
Waters CorporationNYSE: WAT: Provider of analytical laboratory instruments and software.
5+ YOEBachelor's degree and 5-7 years experience in mechanical R&D; prototype design, GD&T, PDM, 3D modelling (Unigraphics/SolidWorks), simulation (Ansys/Matlab), strong communication and problem-solving skills.
Unigraphics, SolidWorks, PDM, Ansys, Matlab
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Sensor Development Engineer
Malvern, Pennsylvania, United States
OnsiteFull Time
ifm electronic
ifm electronic: Manufactures sensors and control systems for industrial automation.
Bachelor's degree in physics, experience designing experiments and data analysis, strong technical writing and problem-solving, ability to build and test sensor prototypes and work across mechanical, electrical, and software teams.
LabView, MATLAB, Python
1w
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Computer Hardware Engineer I
Halawa or Aberdeen Proving Ground
$40k-$80k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
3+ YOEAssociate degree or 2-year technical school (or 3 years relevant experience); active TS/SCI clearance; experience designing, prototyping, testing, and supervising computer hardware; up to 10% travel.
1w
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Principal Data Center Thermal Products Engineer (onsite)
New Freedom or York or Baltimore
$100k-$155k/yr OnsiteFull Time
Johnson Controls
Johnson ControlsNYSE: JCI: Provides integrated building technologies including HVAC, fire, and security systems.
7+ YOEB.S. in Mechanical Engineering, 7+ years with released thermal products/systems, chiller or large industrial HVAC experience, CAD and analysis tools proficiency, heat transfer and fluid mechanics expertise, subsystem integration and prototype testing experience.
Microsoft 365, Microsoft Excel, VBA, SolidWorks, Creo, MathCAD, EES, Python, ANSYS Fluent, Star-CCM+, OpenFOAM, ANSYS Mechanical, Abaqus, MATLAB, Simulink
2mo
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Principal Research Engineer
Malvern, Pennsylvania, United States
OnsiteFull Time
Crane NXT
Crane NXTNYSE: CXT: Provides industrial technology for secure payments and product authentication.
5+ YOEBachelor's in Electrical Engineering or Computer Science; 5 years in analog/digital electronics; embedded systems, PCB design, Matlab/Simulink, IAR; prototype and test hardware and firmware.
Embedded software (IAR), MATLAB, Simulink, PCB design, Soldering, Schematic design
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Senior Software Engineer
United States or California or Philadelphia
$141k-$176k/yr RemoteFull Time
G-P
G-P: SaaS platform for global hiring and compliance management.
Full‑stack prototyping chops, 0-to-1 hacking experience, experience with AI development accelerators, data integration and analytics, workflow encoding intuition, extreme ownership and rapid shipping mindset.
Cursor, Claude, GitHub Copilot, LangChain, LlamaIndex, Vercel AI SDK, AWS, ECS/Fargate, S3, Lambda, Bedrock
3w
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AI Full Stack Engineer
Conshohocken or United States
$138k-$173k/yr RemoteFull Time
Boomi
Boomi: Provides cloud-based software for business application and data integration
5+ YOE5+ years building production web applications; strong TypeScript and React; proficient in Node.js or Python; experience with AWS services, CI/CD, integrations, AI-assisted coding tools, and rapid prototyping.
TypeScript, React, Node.js, Python, AWS Lambda, Amazon API Gateway, AWS IAM, Amazon Aurora, Cursor, Claude Code, GitHub Copilot Workspaces, Amazon Bedrock, OpenAI, Anthropic, LangSmith, Arize, Helicone, CI/CD, Lightning, Canvas, AppExchange
2w
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UI/UX Engineer, Go-To-Market Systems
Boston or New York City or Santa Monica or Washington or California or Los Angeles or San Francisco or Philadelphia
$102k-$179k/yr OnsiteFull Time
Goodwin Procter
Goodwin Procter: Legal services for innovators and investors in high-growth industries.
4+ YOEBachelor's or equivalent, 4+ years UI/UX or product design experience, experience with enterprise/CRM systems, ability to create wireframes and prototypes, strong collaboration and problem-solving skills.
Microsoft Dynamics, Salesforce
3mo
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Manager, Hardware Engineering
Baltimore, Maryland, United States
$110k-$152k/yr OnsiteFull Time
Alertus Technologies
Alertus Technologies: Provider of unified emergency mass notification and communication systems.
8+ YOE1+ MgmtExperienced and hands-on leader for hardware engineering, responsible for guiding a small team, designing and prototyping hardware, and ensuring products move to production.
Schematic capture tools, Embedded firmware development, Oscilloscope, Logic analyzer
1mo
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Engineering Technician
Garnet Valley, Pennsylvania, United States
OnsiteFull Time
Mishimoto
Mishimoto: Manufacturer of automotive performance cooling systems and components.
2+ YOEBachelor's in engineering technology preferred (HS + 5 yrs acceptable). 2+ years building prototypes and running experiments; manufacturing and welding experience; basic Microsoft Excel/Word/Outlook; able to lift 50 lb; valid driver’s license and manual transmission ability.
Microsoft Excel, Microsoft Word, Microsoft Outlook, 3D modeling software