31 prototype engineer jobs at 22 companies in District of Columbia
4d
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AI Prototype Deployment Engineer
McLean or Washington or Virginia
$85k-$141k/yr HybridFull Time
Active Secret clearance and experience with Databricks, data pipelines, notebooks, cloud-native deployment, AI/ML operations, automation, DevOps, version control, and secure data handling.
Databricks, Advana, Python, PySpark
2d
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Chief Engineer
Washington, District of Columbia, United States
$116k-$195k/yr HybridFull Time
12+ YOEBachelor’s degree in engineering or science, 12+ years in test and evaluation, 3+ years in prototype development, DHS acquisition and systems engineering experience, and technical reporting expertise.
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
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
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.
3w
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Senior Automation Controls Engineer – R&D / Material Handling
Baltimore or Washington
$75k-$192k/yr OnsiteFull Time
7+ YOEBachelor's in engineering, 7+ years controls experience, PLC/HMI development, machine safety, electrical schematics, prototype-to-field implementation, and cross-functional collaboration.
Rockwell Studio 5000, Siemens TIA Portal, Beckhoff/TwinCAT, AutoCAD Electrical, MATLAB, C++, Python, C#, .NET
4w
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Senior Forward Deployed Engineer (D.C Area)
Washington, District of Columbia, United States
$185k-$260k/yr FieldFull Time
Legion Intelligence: Secure generative AI platform for defense and enterprise workflows.
4+ YOEUS citizen with TS/SCI clearance,4+ years forward-deployed or solution engineering experience,proficiency in Python and JavaScript/TypeScript,full-stack/app prototyping,enterprise integrations,autonomous operator.
Python, JavaScript, TypeScript, Microsoft O365, Palantir Foundry, Databricks, ServiceNow, Atlassian, Node.js, Next.js, React, n8n
3mo
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Systems Engineer, C2 Integration - Active Clearance
Costa Mesa or Seattle or Washington
$146k-$220k/yr OnsiteFull Time
6+ YOE6+ years post-grad experience; prototyping, testing, scripting; travel readiness; US Secret clearance or higher.
2mo
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Integration & Test Engineer - Effector Systems
El Segundo or Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$130k-$160k/yr OnsiteFull Time
3+ YOEBachelor's degree in engineering or CS, 3+ years I&T or embedded systems experience, hands-on prototype hardware skills, experience with embedded subsystems (GPS, telemetry, flight controllers), Python/C/C++, test automation, and protocol familiarity (MAVLink, CAN, UART, SPI, I2C).
Python, C/C++, Git, CI/CD, MATLAB/Simulink, PX4, ArduPilot, QGroundControl, Mission Planner, MAVLink, CAN, UART, SPI, I2C, HIL, SIL
2mo
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Senior Hardware Product Development Engineer
Seattle or Los Angeles or Washington or Studio City
$111k-$153k/yr RemoteFull Time
5+ YOEBachelor's or Master's in EE/ME/CS (or portfolio), 5+ years hardware product development, embedded prototyping, PCB design, firmware and low-power systems, Python/C/C++/Bash expertise, manufacturing/DFM experience, ability to travel for fieldwork.
Python, C/C++, Bash
1mo
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Radio Frequency (RF) /Radar Prototype & Test Equipment Technician
Washington, District of Columbia, United States
$90k-$135k/yr OnsiteFull Time
DoD Secret clearance and U.S. citizenship required; hands-on RF/radar experience, VNA/spectrum analyzer/oscilloscope proficiency, cable fabrication and soldering skills, ability to pass FAA crew flight physical, and lift 40-50 lbs.
Microsoft Visio, SOLIDWORKS Electrical, Altium Designer, Keysight VNA, spectrum analyzer, signal generator, RF power meter, multimeter, oscilloscope, power supplies, electronic loads, Fourier/spectral analysis tools
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
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
1mo
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Frontier AI Research Engineer, Lead
McLean or Washington
$129k-$292k/yr OnsiteFull Time
5+ YOE5+ years engineering experience building advanced AI systems; ability to translate research into production, lead technical teams, and deliver end-to-end AI prototypes and integrations.
1mo
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Sales Engineer
Washington or Huntsville or Tampa or Colorado Springs or Dayton or St. Louis or Norfolk or Omaha
$150k-$190k/yr RemoteFull Time
5+ YOE5+ years in customer-facing technical roles, hands-on coding with Python and JS/TS stacks, experience building prototypes/dashboards, sales/POC success, active Secret clearance and U.S. citizenship required.
Claude Code, Cursor, Copilot, Python, JavaScript, TypeScript, GDAL, rasterio, GeoPandas, QGIS, Cesium, Mapbox, Kepler.gl, Jupyter, Streamlit, Next.js, Flask, REST, GraphQL, Postman, SQL
3d
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Lead Product Engineer, AI Ventures
New York City or Frisco or Toronto or Ann Arbor or Eagan or San Francisco or Los Angeles or Irvine or McLean or Washington
$118k-$253k/yr HybridFull Time
Significant product design experience, strong portfolio, AI-powered or professional workflow product experience, user discovery, rapid prototyping, stakeholder partnership, and enterprise or regulated-environment experience.
1mo
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AI Deployment Engineer, Global Affairs
New York City or San Francisco or Washington
$198k-$280k/yr OnsiteFull Time
7+ YOE7+ years technical consulting experience, proficiency in Python and Javascript, experience building prototypes on API platforms, strong communication and stakeholder management.
Python, Javascript, OpenAI API
2w
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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
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
1mo
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Founding Product Designer
Washington, District of Columbia, United States
$40-$50/hr RemoteContract
4+ YOE4+ years product/UI/UX experience, strong portfolio, advanced Figma skills, experience with wireframes, prototypes, user flows, and design systems; collaborates with engineering and applies UX principles.
Figma
2d
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Novel AI Lead Methodologist
Washington, D.C. or Atlanta or Austin or Kirkland or Seattle
$171k-$247k/yr OnsiteFull Time
10+ YOEBachelor's degree or equivalent experience and 10 years in AI testing, research, analytics, or data science. Preferred: advanced degree, Python or SQL, AI testing, experiments, machine learning, and engineering prototyping.
Python, SQL
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