25 prototype engineer jobs at 19 companies in Rochester, NH

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
3d
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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
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
2w
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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.
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
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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
4d
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Product Development Engineer
Danvers, Massachusetts, United States
$76k-$122k/yr OnsiteFull Time
Johnson & Johnson
Johnson & JohnsonNYSE: JNJ: Provides pharmaceutical products and medical technology healthcare solutions.
BS in Mechanical or Biomedical Engineering required; device development, prototyping, testing, risk and design documentation experience; ability to travel up to 20%; strong communication and cross-functional collaboration skills.
Solidworks, AutoCAD, Microsoft PowerPoint
1mo
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Manufacturing Engineer I
Newington, New Hampshire, United States
OnsiteFull Time
Wilcox Industries
Wilcox Industries: Designs and manufactures tactical equipment for defense and law enforcement.
Bachelor's in Mechanical/Manufacturing engineering or equivalent experience; SolidWorks and Microsoft Office proficiency; GD&T knowledge; prototyping/testing and root cause/corrective action experience; strong communication; US Person required. Military standards and imaging experience preferred.
SolidWorks, Microsoft Office
3w
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Senior CAD Design Engineer
Andover, Massachusetts, United States
OnsiteFull Time
Reframe Systems
Reframe Systems: Builds sustainable modular homes using robotic microfactories.
7+ YOE7+ years mechanical/design engineering experience; bachelor's in mechanical/manufacturing/process engineering, architecture, or related; expert parametric CAD (Onshape, SolidWorks, CATIA); experience with large 3D assemblies, documentation, prototyping, and cross-functional collaboration.
Onshape, SolidWorks, CATIA
2w
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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
1mo
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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+ YOEBS/MS/PhD in Mechanical Engineering with 7+ years of mechanical design experience for data center/network equipment; PTC Creo/ProEngineer experience, thermal simulation, sheet metal and plastic design, BOM/ECO processes, hands-on prototype and testing experience, able to lift 50+ lbs, fluent English.
Creo 3D CAD, ProEngineer (PTC Creo), PTC Creo Simulate, PDMLink (PTC Windchill), Agile, ECAD
2w
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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
1mo
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Tool Engineer
Portland, Maine, United States
OnsiteFull Time
Nichols Portland
Nichols Portland: Manufacturer of precision engineered metal components and pump assemblies.
Oversee prototype and production tooling design, create technical drawings and CNC code, use CAD/CAM, apply GD&T, manage projects to schedules, troubleshoot manufacturing, occasional travel, ability to lift up to 50 lbs.
CAD, CAM, CNC, Microsoft Office, APQP
2mo
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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
3d
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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
2d
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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
2d
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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.
1mo
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Distinguished Technologist, Distributed Systems & Agentic Query Optimization
San Jose or Houston or Durham or Andover
$170k-$413k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides edge-to-cloud IT infrastructure and platform services.
15+ YOE15+ years engineering and architectural leadership experience building and operating large distributed systems and cloud platform services; strong data engineering, distributed query, cloud-native, and AI-first prototyping skills.
Spark, Kafka, Parquet, Go, Java, BigQuery, AWS, GCP, Azure
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
2w
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Integrated Tech Specialist
Portsmouth, New Hampshire, United States
$28-$32/hr OnsiteFull Time
Trigger House
Trigger House: Designing and producing immersive experiential marketing campaigns and brand activations.
Designing and integrating lighting, audio, automation, interactive systems; fabricating prototypes; managing inventory and vendor relationships; strong communication and problem-solving; familiarity with VectorWorks, VCarve Pro, Bambu Studio, and Adobe Illustrator.
VectorWorks, VCarve Pro, Bambu Studio, Adobe Illustrator, CNC, 3D printers