115 prototyping engineer jobs at 69 companies in Deale, MD
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Prototyping Architect (Physical AI), AWS Prototyping and AI Customer Engineering (PACE)
San Francisco or Seattle or Arlington or New York City or Mountain View
$154k-$239k/yr OnsiteFull Time
5+ YOE5+ years in application or infrastructure design, implementation, or consulting; BS-level technical degree required; strong communication, adaptability, and technical learning skills.
AWS, Amazon Bedrock, Amazon SageMaker, AWS IoT TwinMaker, AWS IoT SiteWise, NVIDIA Omniverse, Isaac Sim, AWS VAMS, Cursor, Kiro, Q Developer, Claude Code, RAG
3w
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Principal Engineer
Beltsville, Maryland, United States
$140k-$190k/yr OnsiteFull Time
10+ YOE10+ years engineering experience, B.S. (required) in mechanical/electrical/mechatronics, strong hands-on hardware and automation experience, 3D CAD skills, prototype line and equipment build experience, ability to lead root-cause investigations and mentor engineers.
3D CAD
1w
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Sr Research Engineer
Reston, Virginia, United States
$164k-$222k/yr HybridFull Time
8+ YOEBachelors and Masters in CS/Engineering or related, 8+ years research engineering experience, systems and network security expertise, prototype development, publications, and strong development skills.
C, C++, Java, Python, SQL, NoSQL
3w
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Electrical Engineer II
St Inigoes, Maryland, United States
$84k-$140k/yr OnsiteFull Time
2+ YOEB.S. in engineering with ≥2 years relevant experience, US citizenship and Secret clearance required; experience testing military prototypes, planning verifications, and preparing engineering specifications.
3mo
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Senior Infrastructure Engineer
College Park, Maryland, United States
$135k-$216k/yr OnsiteFull Time
12+ YOEPoly cleared senior engineer with 12+ years in systems engineering or application prototyping; strong customer-facing and leadership capabilities; relevant certifications.
INCOSE, CISSP, CCNA, RHCE, MCSE, VCP, ITIL, PMP, Agile
2mo
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Lead Design Engineer
Austin or Cody or Washington
OnsiteFull Time
5+ YOEB.S. in engineering, 5+ years engineering experience, hands-on CAD and prototype assembly experience, gearbox design capability, strong written and oral communication, ability to perform shop work and occasional travel.
CAD
23h
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Mechanical Engineer
Springfield, Virginia, United States
$64k-$128k/yr OnsiteFull Time
2+ YOEBachelor's degree with 2+ years or advanced degree with 3+ years relevant experience; prototype development, CAD, engineering analysis, technical documentation, communication, and TS/SCI clearance with CI polygraph.
SolidWorks, Revit, Matlab, Mathcad
2mo
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Mechanical Design Engineer
Columbia, Maryland, United States
$93k-$120k/yr OnsiteFull Time
5+ YOEBachelor's degree in Engineering, minimum 5 years engineering experience (advanced degree may substitute), experience with simulation and prototyping, ability to produce engineering drawings and documentation, and support design reviews and testing.
3w
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Principal Innovation Engineer
Reston, Virginia, United States
$177k-$332k/yr OnsiteFull Time
10+ YOE10+ years in systems/software/platform engineering with experience prototyping emerging technologies, cloud/edge deployments, biometrics/peripherals, networking, resilience, and presenting technical recommendations.
AWS, Terraform, Java, MongoDB, Elasticsearch/OpenSearch, RabbitMQ, Kafka, Grafana, ELK, HashiCorp Consul, Nomad, Vault
1w
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CBI Electrical Engineer
Baltimore, Maryland, United States
$101k-$152k/yr OnsiteFull Time
5+ YOEBachelor's in electrical engineering and 5+ years experience; schematic and wiring design, prototype validation, software specification creation, PLC programming, compliance (UL, Energy Star) experience.
PLC
3mo
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Senior Infrastructure Engineer
College Park, Maryland, United States
$135k-$216k/yr OnsiteFull Time
12+ YOESenior-level infrastructure engineer with 12+ years in system engineering/prototype development; active TS/SCI w/ Polygraph; multiple technical certs; on-site near College Park, MD.
1w
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Principal Mechanical Engineer
Laurel, Maryland, United States
$168k-$176k/yr OnsiteFull Time
10+ YOEBSME required, 10+ years mechanical engineering experience, SolidWorks and FEA proficiency, ASME Y14.100 drawing experience, DFMEA and prototype testing skills, strong communication and manufacturing knowledge.
SolidWorks, FEA, ASME Y14.100, DFMEA
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Junior Electrical Engineer
Dulles, Virginia, United States
$61k-$122k/yr OnsiteFull Time
0+ YOEBS in electrical/computer engineering, ability to obtain TS/SCI, 0-3 years relevant experience, understanding of analog/digital circuits, schematic reading, prototyping, lab test equipment familiarity.
Altium Designer, OrCAD, Eagle, Python, MATLAB, oscilloscope, multimeter, signal generator, CAD
1mo
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Senior Mechanical Engineer
Sterling, Virginia, United States
HybridFull Time
Bachelor's degree in mechanical engineering (or related), proven mechanical design and system integration experience, CAD proficiency, prototyping and fabrication skills, thermal/structural analysis experience, knowledge of embedded systems and MIL STDs, strong communication.
SolidWorks, AutoCAD, Fusion 360, ESP32, Arduino, Raspberry Pi, FEA, 3D printers, drills, bandsaws
1mo
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Principal Optical Engineer
Lorton, Virginia, United States
$165k-$214k/yr OnsiteFull Time
10+ YOEBachelor's in optical engineering, 10+ years imaging and laser optical design experience, proficiency with Zemax/CODE V and NVIPM, laboratory optical characterization, prototype integration, and active DoD Secret clearance; up to 10% travel.
Zemax, CODE V, Night Vision Integrated Performance Model (NVIPM)
9h
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BAC Design Engineer, Global
Jessup, Maryland, United States
$64k-$109k/yr OnsiteFull Time
3+ YOEBachelor's degree in engineering, 3–5 years of experience, CAD experience, 3D modeling, Excel, sheet metal design, prototype testing, DFMA, HVAC/refrigeration knowledge, and electrical schematic proficiency.
Autodesk Inventor, Microsoft Excel, Agile, Scrum, Autodesk Vault, CAD, DFMEA, DFMA
1mo
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Principal AI/ML Engineer - Sales Engineer- Remote
Eden Prairie or Minneapolis or Washington or United States
$165k-$282k/yr RemoteFull Time
Hands-on AI/ML/GenAI engineering with strategic solutioning; experience with Python, LLMs, RAG, AI agents; customer-facing workshop and executive presentation experience; healthcare domain knowledge; rapid prototyping skills.
Python, LLMs, RAG, AI agents, Cursor, GitHub Copilot, Claude Code
7h
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Principal Design Engineer
Chantilly or Herndon
$220k-$292k/yr OnsiteFull Time
20+ YOERequires 20+ years of mechanical and mechanism design, 10+ years designing spacecraft systems, 3-D CAD, prototyping, testing, leadership, and an engineering BS, MS, PhD, or equivalent experience. U.S. citizenship and Top Secret eligibility required.
3-D CAD, Oscilloscopes, power supplies, electronic loads, multimeters
1mo
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Mechanical Design Engineer
Washington, District of Columbia, United States
$112k-$190k/yr OnsiteFull Time
5+ YOEBachelors in engineering or equivalent, 5+ years mechanical design/product development experience, SolidWorks and prototyping/testing experience, active DoD Secret (ability to obtain TS/SCI), able to lift 50 lbs.
SolidWorks, CNC
2mo
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Forward Deployed Engineer (Federal)
Washington or New York City
$175k-$235k/yr FieldFull Time
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.
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