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26 prototyping engineer jobs at 18 companies in New Hampshire

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Senior Mechanical Engineer
Nashua, New Hampshire, United States
OnsiteFull Time
Arista Networks
Arista NetworksNYSE: ANET: Provides cloud networking solutions and high-speed multilayer Ethernet switches.
7+ YOERequires a mechanical engineering degree and 7 years of experience designing equipment, plus Creo/ProEngineer, BOM, ECO, manufacturing, thermal, PCB, prototyping, and English skills.
Creo 3D CAD, Agile, Mechanica, PTC Creo Simulate, PDMLink, PTC Windchill
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2w
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Senior Manufacturing Engineer
Newington, New Hampshire, United States
OnsiteFull Time
Wilcox Industries
Wilcox Industries: Designs and manufactures tactical equipment for defense and law enforcement.
8+ YOEBS in Engineering plus 8+ years experience; expertise in electro-mechanical design, GD&T, tolerance analysis, prototyping, production support, and compliance with ITAR/EAR.
Microsoft Office, PDM, FEA, 3D printers
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2mo
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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
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1mo
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Junior Plastics Engineer
Manchester, New Hampshire, United States
OnsiteFull Time
DEKA Research & Development
DEKA Research & Development: Designs and develops advanced medical and robotic technologies.
Degree in plastics or manufacturing engineering, understanding of plastic materials and molding methods, prototype-to-production assembly, DOE and documentation (IQ/OQ/PQ, PFMEA), supplier coordination; some travel possible.
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2mo
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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
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2mo
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Lead Mechanical Design Engineer
Claremont or Austin
OnsiteFull Time
Jabil
JabilNYSE: JBL: Provides manufacturing and supply chain solutions for global brands.
8+ YOE8+ years mechanical design experience; Bachelor's in Mechanical Engineering; 3D CAD, FEA, tolerances; prototype assembly; production release; leadership of engineering teams.
3D CAD, Finite Element Analysis, Tolerances, Manufacturing Principles, Interference Checks
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2mo
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Mechanical Design Engineer
Claremont, New Hampshire, United States
OnsiteFull Time
Jabil
JabilNYSE: JBL: Provider of comprehensive global manufacturing and supply chain solutions.
5+ YOEBachelor's degree in mechanical, systems, or related engineering and 5 years of design engineering experience. Requires thermal, fluid, statics, CFD, GD&T, design-for-manufacturing, 3D CAD, prototyping, testing, and analysis skills.
ProE CREO, SolidWorks, Computational Fluid Dynamics (CFD)
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1mo
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Design Engineer
Exeter, New Hampshire, United States
OnsiteFull Time
ConRes
ConRes: IT solutions provider for cloud, infrastructure, and cybersecurity.
3+ YOEBachelor's degree in Electronics, 3+ years analog design experience, familiarity with advanced analog and magnetic design, power supply layout, CAD documentation, component engineering, manufacturing techniques, agency approvals (UL/CSA/VDE/TUV), and prototype testing.
oscilloscopes, voltage meters, electronic loads, bench top power supplies, test fixtures, environmental ovens, bead board, CAD
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1mo
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System Design Engineer
Lebanon, New Hampshire, United States
$95k-$125k/yr OnsiteFull Time
Simbex: Develops medical devices and wearable sports technology solutions.
Bachelors in engineering, proficiency with SolidWorks, GD&T, prototyping (3D printing/CNC), analog/digital data acquisition, electrical fundamentals, test-plan development, and strong communication skills.
SolidWorks, 3D printing, CNC, DAQ, oscilloscope, SQL, Python
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1mo
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Senior Optical Design Engineer
Newington, New Hampshire, United States
OnsiteFull Time
SubCom
SubCom: Designs, manufactures, and installs subsea fiber optic cable systems.
8+ YOEMaster's in Optical/Electrical Engineering or Physics, 8+ years optical systems experience, expertise in fiber optics and optical test methods, modeling and prototyping, EDFAs, verification and reliability testing, strong communication and leadership.
LabWindows/CVI
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1mo
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Electro-Mechanical Engineer – Process Specialist
West Lebanon, New Hampshire, United States
$106k-$123k/yr OnsiteFull Time
ESAB
ESABNYSE: ESAB: Manufacturer of industrial welding, cutting, and gas control equipment.
5+ YOEBachelor's in engineering, 5+ years mechanical design experience, troubleshooting large electro-mechanical machines, SolidWorks, microcontrollers/PLC experience, DOE familiarity, prototype build and process development skills.
SolidWorks, Microcontrollers, PLC, DOE, LASER, WaterJet
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1mo
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Senior Optical Design Engineer (6976)
Newington, New Hampshire, United States
OnsiteFull Time
SubCom
SubCom: Manufactures and installs undersea fiber optic cable systems.
8+ YOEMaster's in optical/electrical engineering or physics, 8+ years designing optical systems, hands-on modeling, prototyping, testing, EDFAs and undersea systems experience, LabWindows/CVI familiarity, strong communication and leadership.
LabWindows/CVI
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1mo
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Principal Hardware Design Engineer
California or Michigan or New Hampshire or Oregon or China or Malaysia or United States
$100-$101/yr RemoteFull Time
Emerald Technologies
Emerald Technologies: Provides design and manufacturing services for complex electronic assemblies.
10+ YOE10+ years experience; BS in Electrical or Computer Engineering required; expert in digital, analog, and power circuit design; FPGA design (Verilog/VHDL), PCB tools (Siemens DxDesigner, Altium, Xpedition), ModelSim; prototype bring-up and system integration.
Siemens DxDesigner, Altium, Xpedition-DxDesigner, Verilog, VHDL, ModelSim, Xilinx, Altera, Microsoft Excel
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3mo
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Process Engineer
Nashua, New Hampshire, United States
OnsiteFull Time
MACOM
MACOMNASDAQ: MTSI: Designs and manufactures semiconductor products for communications infrastructure.
5+ YOEAutomatic wire bonding and die attach experience required; 5+ years manufacturing experience; knowledge of chip-and-wire materials, SMT/PCBA processing, microwave/semiconductor manufacturing a plus; hands-on prototype assembly, operator training, and basic programming skills.
SMT, Auto Handlers
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2mo
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Manufacturing Engineer III
Charlestown, New Hampshire, United States
OnsiteFull Time
Whelen Engineering
Whelen Engineering: Manufacturer of emergency warning and public safety lighting.
6+ YOEPlan and design manufacturing processes; contribute to projects; work independently; support continuous improvement; communicate with leadership; evaluate mechanical/electromechanical systems; develop prototypes; train technicians; DFMA experience; SolidWorks/CNC/milling and welding experience preferred.
SolidWorks, CNC Milling, CNC Lathe, Sheet Metal Design, MIG Welding, TIG Welding, Hand Assembly Techniques, SMT, Wave Soldering
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2w
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Senior Principal Mechanical Engineer Advanced Technologies Product Lead
Marlborough or Tewksbury or Portsmouth or Andover
$132k-$252k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
10+ YOEU.S. citizen with active transferable Top Secret DoD clearance; STEM degree with typically 10+ years relevant experience; mechanical design and prototype build experience; electronic packaging and IRAD background; strong communication and project skills.
CREO(Pro/E), ANSYS Mechanical, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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2mo
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Senior Research Engineer - Experimental Engineering
Yonkers or Washington or Colchester or Arizona or California or Connecticut or Illinois or Maryland or Massachusetts or Michigan or New Hampshire or New Jersey or New York or Texas or Vermont or Virginia or District of Columbia
$115k-$160k/yr RemoteFull Time
Consumer Reports
Consumer Reports: Tests products and publishes ratings for consumer advocacy.
Senior research engineer with deep full-stack software engineering experience, strong applied AI/ML knowledge, prototyping and R&D experience, Python/FastAPI and frontend (React/React Native) familiarity, and ability to lead experiments and mentor engineers.
AI, Machine Learning, Python, FastAPI, React, React Native, RAG
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2w
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Electrical Engineering Co-op
Hollis, New Hampshire, United States
OnsiteInternship
Flex
FlexNASDAQ: FLEX: Contract electronics manufacturing and supply chain management services.
Enrolled electrical/electronics/computer/biomedical engineering student, 3.0+ GPA, able to work 40hrs/week in-person Jan–Jun 2027, understands schematics, soldering, wiring, prototyping, lab measurement tools, and basic circuit design.
CAD, Labview, Arduino, oscilloscope, multimeter
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1w
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Microsoft AI Engineer - CCoE, NA
Colorado or New Jersey or New Hampshire or Nebraska or North Dakota or North Carolina or Montana or Mississippi or Missouri or Minnesota or Texas or Maine or Maryland or Indiana or Massachusetts or Louisiana or Kentucky or Kansas or Illinois or Idaho or Iowa or Georgia or Florida or Delaware or District of Columbia or Wyoming or West Virginia or Connecticut or Wisconsin or Washington or Vermont or Virginia or California or Utah or Arizona or Arkansas or Alabama or Tennessee or South Dakota or South Carolina or Rhode Island or Pennsylvania or Oregon or Oklahoma or Ohio or Michigan or New York or Nevada or New Mexico
$139k-$200k/yr RemoteFull Time
Arrow Electronics
Arrow ElectronicsNYSE: ARW: Distributes electronic components and enterprise computing solutions globally.
Experience with Microsoft AI agent technologies (Copilot/Copilot Studio), strong Microsoft platform knowledge, customer-facing experience, ability to prototype proofs-of-concept, and willingness to obtain Microsoft certification.
Microsoft Copilot, Copilot Studio
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2w
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Engineering Technician
Manchester, New Hampshire, United States
OnsiteFull Time
Sanmina
SanminaNASDAQ: SANM: Global provider of integrated electronics manufacturing and engineering solutions.
6+ YOERequires 6 years of related experience; an associate degree in engineering is preferred. Performs testing, prototyping, assembly, troubleshooting, failure analysis, and engineering change activities.
Lean 5S
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