80 prototype jobs at 47 companies in Durham, NH

4d
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Prototype CNC Machinist
Seabrook, New Hampshire, United States
OnsiteFull Time
ARCH Medical Solutions
ARCH Medical Solutions: Precision contract manufacturing of medical implants and surgical instruments.
3+ YOE3+ years machining experience, 1+ years CAD/CAM; ability to read drawings, program/setup CNC, use CAM software, perform inspections including GD&T, and perform light-to-moderate lifting.
Cam works, SolidWorks, HSM, Fusion, FANUC
4d
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Prototype CNC Machinist
Seabrook, New Hampshire, United States
OnsiteFull Time
ARCH
ARCH: Manufactures precision medical instruments, implants, and industrial cutting tools.
3+ YOE3+ years related machining experience, 1+ years CAD/CAM experience, high school/GED preferred. Must read drawings, know GD&T, use inspection tools, lift up to 50 lbs, and follow safety and quality procedures.
CAD/CAM, Cam works, SolidWorks, HSM, Fusion, FANUC, Calipers, micrometers, micro-height, OC, GD&T
1mo
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AI Researcher/Prototyping Engineer
Lexington, Massachusetts, United States
$145k-$220k/yr OnsiteFull Time
MIT Lincoln Laboratory
MIT Lincoln Laboratory: Building advanced technology prototypes for national security.
5+ YOEPhD in EE/CS or master's with 5+ years; deep ML/AI expertise (multimodal, LLMs, graph analytics, adversarial/assurance); prototype development, strong software engineering, publications, and ability to obtain/hold security clearance.
LangChain, Python, PyTorch, TensorFlow, Hugging Face, NumPy, pandas, SciPy, Git, conda, virtualenv
3mo
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Shop Assistant (1st Shift)
Contoocook, New Hampshire, United States
$18-$22/hr OnsiteFull Time
Prototek
Prototek: National provider of digital manufacturing and prototyping services.
0+ YOEHigh school diploma or GED; entry-level; manufacturing experience a plus; sheet metal or prototyping preferred.
Orbital sander, Grinder, Hand tools
6d
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Mechanical Engineer, Robotics Technical Services Custom Tools
North Reading, Massachusetts, United States
$117k-$160k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
3+ YOEBachelor's in mechanical engineering,3+ years mechanical engineering experience,prototyping and implementation experience;SolidWorks or Ansys knowledge preferred.
SolidWorks, Ansys
6d
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Senior Human Factors Engineer
Wilmington, Massachusetts, United States
$115k-$140k/yr OnsiteFull Time
Goddard
Goddard: Engineering and industrial design firm for medical and robotic products
5+ YOEBachelor's degree and 5+ years HF/usability engineering for medical devices, regulatory standards knowledge, usability testing, prototyping, strong communication and teamwork.
Figma, Adobe XD, Sketch, Axure, SolidWorks CAD, Microsoft, Google
2mo
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Mechanical Engineer (Teradyne, North Reading, MA) (North Reading, MA, US)
North Reading, Massachusetts, United States
$80k-$128k/yr OnsiteFull Time
Teradyne
TeradyneNASDAQ: TER: Designs and manufactures automated test equipment and advanced robotics systems.
3+ YOEBachelor’s or Master’s in Mechanical Engineering; 3+ years’ experience; CAD (SolidWorks); GD&T; prototyping and testing; PLM/change management; cross-functional collaboration.
SolidWorks, PLM, GD&T
5d
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Engineering Technician
Manchester, New Hampshire, United States
OnsiteFull Time
Sanmina
SanminaNASDAQ: SANM: Designs and manufactures complex electronics and mechanical systems.
6+ YOEMinimum 6 years related experience; Associates in Engineering preferred. Experience with prototype testing, troubleshooting, assembly and test processes, Lean 5S, and training technicians.
5d
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Sr. Mechanical Engineer
Wilmington or Methuen
$100k-$170k/yr HybridFull Time
MKS Instruments
MKS InstrumentsNASDAQ: MKSI: Supplies process control instruments and chemicals for semiconductor manufacturing.
7+ YOEBachelor's in mechanical engineering,7+ years experience,expert SolidWorks and PLM,FEA/thermal/structural analysis,design for manufacturability,prototype testing,and strong technical communication.
SolidWorks, PLM, FEA, CFD
2w
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Innovation Lead - Office of the CTO (10342)
Raleigh or Morrisville or Salem
$200k-$230k/yr HybridFull Time
Extreme Networks
Extreme NetworksNASDAQ: EXTR: Provides cloud-managed networking hardware and software solutions.
Hands-on leader to prototype and productize ML/AI and edge solutions; strong programming (Python/Java/Go), AI/ML, distributed systems, customer engagement, and commercialization experience.
Python, Java, Go, MLOps
4d
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Staff Mechanical Engineer
Wakefield, Massachusetts, United States
$150k-$170k/yr OnsiteFull Time
Optikos
Optikos: Develops optical metrology equipment and provides engineering services
10+ YOEBachelor's in mechanical engineering,10+ years mechanical design/analysis, SolidWorks/AutoCAD and FEA (Ansys) experience, hands-on prototyping, strong technical writing and cross-functional communication.
SolidWorks, AutoCAD, Ansys
1w
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Lead Program Manager
Carlsbad or Arlington or Woburn or Denver
$168k-$205k/yr HybridFull Time
Systems & Technology Research
Systems & Technology Research: Develops advanced technology for national security and defense applications.
Program management experience delivering technical prototypes to government customers; ability to manage schedules, risks, budgets, and multidisciplinary teams; U.S. citizenship and active security clearance required.
3d
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Product Manager, New Products (0 → 1, AI-Enabled) (HYBRID)
Wakefield, Massachusetts, United States
$130k-$160k/yr HybridFull Time
C-4 Analytics
C-4 Analytics: Provides data-driven digital marketing and analytics for automotive dealerships.
Experience building prototypes and 0→1 products, practical AI/LLM/API experience, product thinking, rapid experimentation, and ability to translate AI and data into business value.
LLMs, APIs, Google, Facebook, Instagram, Bing
1mo
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AI Program Manager
North Reading, Massachusetts, United States
$110k-$200k/yr OnsiteFull Time
Columbia Construction
Columbia Construction: Provides construction management and general contracting services in the Northeast.
Proven success leading AI or technology initiatives, familiarity with LLMs and enterprise AI tools, data governance understanding, change leadership, excellent communication, and ability to build prototypes and governance.
LLMs, GPTs, Procore, Sage Intacct, Salesforce, ERP, CRM
1w
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Mechanical Engineering Intern - Fall 2026
Devens, Massachusetts, United States
$24-$27/hr OnsiteInternship, Temporary
VulcanForms
VulcanForms: Provides industrial-scale metal additive manufacturing and precision machining services.
Currently enrolled in a mechanical engineering program; basic mechanical engineering knowledge; ability to design, build, and test prototype systems; teamwork and cross-collaboration; familiarity with CAD and manufacturing processes.
CAD
1mo
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Electrical Engineer
North Reading or Dallas
$120k-$170k/yr OnsiteFull Time
ALTEN
ALTENEuronext Paris: ATE: Provides engineering and technology consulting services to industrial clients.
Bachelors in electrical engineering, experience in electrical design, prototyping, debugging, bench testing, and validation; familiarity with lab tools and DVT; strong problem-solving and cross-functional collaboration skills.
oscilloscopes, multimeters, power supplies, logic analyzers, Design Verification Testing (DVT)
1mo
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ELECTRICAL ENGINEER
Methuen, Massachusetts, United States
OnsiteFull Time
Globus Medical
Globus MedicalNYSE: GMED: Manufactures medical devices and robotic systems for musculoskeletal surgery.
2+ YOEBachelor's in Electrical Engineering, 2+ years product development experience (robotics or complex systems preferred). Experience with PCB development, prototyping, test equipment, schematic capture (Altium preferred).
Altium, Oscilloscope, Logic Analyzer
3w
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Engineering Assistant V
Hudson, New Hampshire, United States
$76k-$122k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
3+ YOEHigh school diploma or equivalent; 3+ years prototype manufacturing/assembly experience; ability to read drawings/GD&T; use precision measuring tools; strong communication and organizational skills.
Oracle, Paperless Manufacturing, Microsoft SharePoint
1mo
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Senior Mechanical Engineer, Production / Sustainment
Nashua, New Hampshire, United States
$90k-$152k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA.: Produces advanced defense, aerospace, and information security systems.
4+ YOEBachelor's in Mechanical Engineering, 4+ years engineering experience (or 2+ with MS), active DoD Secret clearance, experience with design/analysis, prototyping, testing, and troubleshooting high-reliability embedded systems.
ANSYS Workbench/Mechanical, PTC Creo, MATLAB/Simulink, Siemens NX, ANSYS Icepak
1mo
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Electrical Design Engineer
Concord, New Hampshire, United States
OnsiteFull Time
Standex International
Standex InternationalNew York Stock Exchange: SXI: Global industrial manufacturer of electronic components and specialty machinery.
5+ YOE5+ years engineering experience; BS in Electrical Engineering (ABET) preferred; experience with coil/transformer/inductor design, electromagnetic modeling/analysis, FEA, prototyping, testing, and strong communication skills.
2D/3D Modeling Software, Finite Element Analysis, Simulation Software, Daily Visual Management, A3 Problem Solving, Kaizen