157 prototype engineer jobs at 109 companies in Princeton, NJ

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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
1mo
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Electrical Engineer-Prototype Design
Memphis or Pflugerville or Lakewood or Roanoke or Norfolk or Carlstadt or Santa Monica or Colorado Springs
$120k-$150k/yr OnsiteFull Time
Auto-Chlor System
Auto-Chlor System: Leases commercial dishwashers and provides chemical sanitation services.
5+ YOEBS in engineering or equivalent, 5+ years electrical/electronic design experience, embedded software/hardware experience, knowledge of NSF/CSA/UL and related codes, Autodesk Inventor preferred.
Autodesk Inventor
1mo
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Electrical Engineer-Prototype Design
Memphis or Pflugerville or Lakewood or Roanoke or Norfolk or Carlstadt or Santa Monica or Colorado Springs
$120k-$150k/yr OnsiteFull Time
Auto-Chlor System
Auto-Chlor System: Provider of commercial dishwashing systems and chemical sanitation solutions.
5+ YOEB.S. in engineering (or equivalent), 5+ years electrical/electronic design experience, embedded software/hardware experience, knowledge of NSF/CSA/UL and related codes, and Autodesk Inventor/CAD experience.
Autodesk Inventor
2mo
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Founding Engineer
New York City, New York, United States
OnsiteFull Time
Doji
Doji: Create a digital avatar to virtually try on clothes
Founding engineer with breadth across AI, backend, data, and product surfaces; able to ship prototypes and own key systems. Strong in at least one area and capable of rapid learning.
2mo
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Forward Deployed Engineer
Toronto or New York City
$125k-$270k/yr RemoteFull Time
Hitachi
HitachiTokyo Stock Exchange: 6501: Global provider of digital systems and social infrastructure solutions.
Experience with data virtualization, hybrid cloud, AI validation, and customer-facing prototyping; strong data engineering and cross-cloud skills.
Zetaris, Starburst, Dremio, Databricks, Snowflake, Teradata, Spark, Presto, SQL, AWS, Azure, GCP, private cloud, on-premises, NVIDIA
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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Mechanical Engineer
New York, New York, United States
$100k-$120k/yr OnsiteFull Time
Quest Global
Quest Global: Global engineering services for product development and lifecycle management.
B.S. in Mechanical Engineering, proficiency in NX (Siemens), GD&T per ASME Y14.5, prototype assembly, basic electronics knowledge, and exposure to FEA tools; ability to work independently and in cross-functional teams.
NX (Siemens), NX Nastran, ANSYS
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
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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Electrical Engineer
Marlton, New Jersey, United States
$80k-$95k/yr OnsiteFull Time
Impulse Dynamics
Impulse Dynamics: Developer of implantable cardiac contractility modulation therapy systems.
4+ YOE4+ years R&D experience designing analog and embedded electronics; schematic capture and PCB layout; prototype bring-up and testing; EM firmware experience preferred; strong English communication; Bachelor's in Electrical Engineering or equivalent.
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Senior RF Engineer
New York, New York, United States
$160k-$200k/yr HybridFull Time
Fortell
Fortell: AI-powered hearing aids providing enhanced speech clarity.
Senior RF engineer with Bluetooth Classic/BLE experience, hands-on prototyping, Altium, RF testing, and ability to travel up to 20%. On-site NYC with hybrid work.
Bluetooth Classic, Bluetooth Low Energy (BLE), CST Studio, Altium, Spectrum Analyzer, Network Analyzer, Oscilloscope, RF Bench Toolkit
17h
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Chariot Labs Engineer
New York, New York, United States
HybridFull Time
Chariot
Chariot: Payment infrastructure for charitable giving and Donor Advised Funds.
3+ YOE3+ years engineering or technical RevOps experience; Python, JS, SQL and API proficiency; experience building and operating agent-based systems (OpenClaw, Claude Managed Agents, Claude Code); strong ownership, product judgment, and ability to ship prototypes to production.
OpenClaw, Claude Managed Agents, Claude Code, Python, JS, SQL, APIs
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
1w
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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
3w
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Product Design Engineer
Sunnyvale or New York
$118k-$170k/yr OnsiteFull Time
Meta
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
2+ YOEBachelor's in Mechanical Engineering or equivalent, 2+ years mechanical design experience, proficiency in SolidWorks/NX/Creo, knowledge of materials and high-volume manufacturing, and experience with FEA/simulation and prototyping.
SolidWorks, NX, Creo, FEA, Simulation, Design of Experiments, AI tools
16h
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Senior Electro-Mechanical Engineer
Allentown or Hampton
$140k-$165k/yr OnsiteFull Time
Ingersoll Rand
Ingersoll RandNYSE: IR: Designs and manufactures mission-critical industrial flow and compression equipment.
5+ YOEBachelor's in engineering,5+ years experience in electro-mechanical/mechatronics product development, expertise in electronic circuit design, wireless integration, project management, and prototype testing.
Altium, Wi-Fi 6, 5G, Zigbee, Bluetooth, Windchill, Creo Parametric
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
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)
1mo
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2026 Design Engineer - staff II or senior
Brooklyn, New York, United States
$75k-$95k/yr HybridFull Time
Smart Design
Smart Design: A design studio focused on human-centered engineering and product design.
2+ YOEMid-level to senior mechanical engineer with 2+ years of design experience, human-centered approach, CAD (Creo or SolidWorks), prototyping, and strong communication.
Creo, SolidWorks
1mo
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Forward Deployed Engineer (Federal)
Washington or New York City
$175k-$235k/yr FieldFull Time
Cape
Cape: A privacy-first mobile carrier providing secure cellular network services.
2+ YOE2+ years engineering or FDE experience; U.S. citizenship and eligibility for Top Secret clearance; ability to scope ambiguous problems, embed with customers, prototype integrations, and support live operations.