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28 prototype engineer jobs at 20 companies in Bethlehem, PA

1w
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Prototype Machinist
Quakertown, Pennsylvania, United States
OnsiteFull Time
ARCH Medical Solutions
ARCH Medical Solutions: Precision contract manufacturing of medical implants and surgical instruments.
Hands-on experience with manual and CNC machining, ability to read engineering drawings and GD&T, ProtoTRAK or G-code familiarity, precision measurement proficiency, and strong problem-solving and communication skills.
ProtoTRAK, G-code, CNC
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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
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3mo
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Project Design Engineer
North Wales, Pennsylvania, United States
$70k-$100k/yr OnsiteFull Time
Gwynedd Manufacturing
Gwynedd Manufacturing: Manufactures precision firearm components and tactical equipment for defense.
5+ YOE5–10 years mechanical engineering experience preferred; Bachelor’s in Mechanical Engineering; strong 3D modeling; experience in new product design; build and test prototypes; strong documentation.
3D modeling, Autodesk Inventor, Siemens NX
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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
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3mo
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Project Design Engineer
North Wales, Pennsylvania, United States
OnsiteFull Time
Gwynedd Manufacturing
Gwynedd Manufacturing: Manufactures precision firearm components and equipment for defense sectors.
5+ YOE5–10 years mechanical engineering experience; Bachelor’s in Mechanical Engineering; strong 3D modeling in Autodesk Inventor or Siemens NX; prototype build and testing; excellent documentation and project management skills.
Autodesk Inventor, Siemens NX, 3D modeling
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3w
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Senior Mechatronics Engineer
Denver or Charleston or Phoenix or Houston or Reading or Baton Rouge or Monrovia
$135k-$199k/yr HybridFull Time
Worley
WorleyAustralian Securities Exchange: WOR: Global professional services for energy, chemicals, and resources sectors.
7+ YOEBachelor's in engineering, 7+ years mechatronics/robotics experience, expertise in CAD, embedded systems, PLCs, sensors, and programming (Python, C++, MATLAB); proven project leadership and prototype testing experience.
SolidWorks, AutoCAD, Python, C++, MATLAB, Simulink, ROS, Gazebo, Nvidia Isaac Sim, PLCs
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3w
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Mechanical Engineer - Engineer-To-Order (PSP) (US - PA - Horsham)
Horsham, Pennsylvania, United States
$93k-$135k/yr OnsiteFull Time
Veeco
VeecoNasdaq: VECO: Manufactures precision processing systems for semiconductor and electronics production
3+ YOEBS in Mechanical Engineering +5 years or MS +3 years; experience designing capital equipment, SolidWorks/AutoCAD and SAP proficiency, FEA experience, hands-on prototyping, and up to 10% travel.
SolidWorks, AutoCAD, SAP, Microsoft Office
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Product Development Engineer
Lebanon, New Jersey, United States
$90k-$110k/yr OnsiteFull Time
Construction Specialties
Construction Specialties: Manufactures specialty building products for architectural and commercial construction.
3+ YOEB.S. in Engineering (M.S. preferred) with 3+ years product development experience; strong mechanical/structural knowledge, prototyping, testing, technical communication, and proficiency with MS Office and design software.
Microsoft Office, 3D modeling simulation software, drawing/design software
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1mo
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Mechanical Design Engineer
Newport or Allentown or Europe or North America or Asia
OnsiteFull Time
KLA
KLANASDAQ: KLAC: Provides process control and yield management for semiconductor manufacturing.
Design 3D parts/assemblies and 2D drawings with Solid Edge CAD, create BOMs, build/test prototypes, lead small projects, and work collaboratively; HND or degree in Mechanical Engineering required.
Solid Edge CAD, COMSOL, ERP, PLM
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2w
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Senior Engineer/Manager- Packaging Innovation
Piscataway, New Jersey, United States
$110k-$145k/yr HybridFull Time
Colgate-Palmolive
Colgate-PalmoliveNYSE: CL: Manufactures and sells oral, personal, home, and pet care.
6+ YOEBachelor's in Packaging/Mechanical Engineering, 6+ years packaging experience in consumer goods (cosmetic/pharma preferred), prototyping and supplier scouting experience, familiarity with packaging materials and cost analysis.
3D CAD, 3D printing, FEA (Finite Elements Analysis)
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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.
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5d
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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
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Product Development Engineer I (AI-Native) (Onsite role)
Ambler, Pennsylvania, United States
OnsiteFull Time
Phenom
Phenom: AI-powered talent experience platform for HR and recruiting.
Design and develop AI-native product features from prototype to production, translating customer needs into validated solutions on the platform.
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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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1mo
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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
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Intern, AS Process Engineering
Fort Washington, Pennsylvania, United States
OnsiteInternship
Kulicke & Soffa
Kulicke & SoffaNASDAQ: KLIC: Designs and manufactures semiconductor and electronics assembly equipment.
Familiarity with design and fabrication techniques, experimental design (DOE), data gathering and analysis; experience assembling/testing prototypes; proficiency with Excel, MATLAB, and JMP.
Microsoft Excel, MATLAB, JMP
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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
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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
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3w
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Engineering Technician
Pottstown, Pennsylvania, United States
OnsiteFull Time
Micro-Coax
Micro-CoaxNYSE: APH: Manufacturer of high-performance coaxial cables and microwave interconnect solutions.
Supports and troubleshoots manufacturing processes, conducts root cause analysis, builds and tests prototypes, uses Lean/Six Sigma and ERP, and may require electronics-related certificates; US Person required for export-controlled work.
Lean, Six Sigma, ERP system
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2mo
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Javascript - Senior Developers - AI Training - Philadelphia, USA
Philadelphia, Pennsylvania, United States
$50/hr RemoteContract
Prolific
Prolific: Platform connecting researchers and AI developers with verified participants.
BS/MS/PhD in CS or related, professional experience building scalable web apps with JavaScript/TypeScript, ability to solve LeetCode Medium–Hard, deep knowledge of event loop, closures, prototypal inheritance, async patterns, and strong code quality.
JavaScript (ES6+), TypeScript, React, Node.js, Vue, Angular, Jest, Cypress, Webpack, Vite, GraphQL, RESTful APIs, LeetCode
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