101 prototype engineer jobs at 64 companies in Westminster, MD

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Principal Engineer
Beltsville, Maryland, United States
$140k-$190k/yr OnsiteFull Time
Ion Storage Systems
Ion Storage Systems: Develops and manufactures high-performance solid-state ceramic battery technology.
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
2mo
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Senior Infrastructure Engineer
College Park, Maryland, United States
$135k-$216k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
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
1mo
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Project Engineer, Electrical
Towson, Maryland, United States
$90k-$145k/yr HybridFull Time
Stanley Black & Decker
Stanley Black & DeckerNYSE: SWK: Manufacturer of power tools, hand tools, and outdoor equipment.
5+ YOEBachelor’s in Engineering; 5+ years electronics engineering; analog hardware design; power electronics; DFMEA; troubleshooting; prototype development; manufacturing readiness.
Analog electronics, Power electronics, DFMEA, Circuit prototyping, Engineering documentation
1w
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Controls Engineer
Lancaster, Pennsylvania, United States
OnsiteFull Time
Burnham Holdings
Burnham HoldingsOTC Pink: BURCA: Manufactures residential and commercial boilers and HVAC equipment
Bachelor's in engineering preferred; experience designing controls, wiring diagrams, hardware/software changes, prototype testing, and component procurement; ability to create manuals and test reports.
1mo
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Lead Design Engineer
Austin or Cody or Washington
OnsiteFull Time
Fathom5
Fathom5: Develops security-focused industrial technology and software for defense.
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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Mechanical Design Engineer
Columbia, Maryland, United States
$93k-$120k/yr OnsiteFull Time
TCOM
TCOM: Designs and manufactures persistent surveillance aerostat and ISR systems.
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.
2mo
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Senior Engineer
Lancaster, Pennsylvania, United States
OnsiteFull Time
Eaton
EatonNYSE: ETN: Intelligent power management delivering energy-efficient solutions.
0+ YOEBS in Engineering required; knowledge of heat transfer, two-phase systems, CFD (Flotherm, Icepak), solid modeling, experiment design, technical writing, and prototype testing; ability to lift 25 lbs and work in lab/production safety areas.
Flotherm, Icepak
2d
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Principal Innovation Engineer
Reston, Virginia, United States
$177k-$332k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
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
1mo
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Senior Mechanical Engineer
Winter Park or Huntsville or Auburn or Opelika or Orlando or Niceville or Fort Walton Beach or Atlanta or Warner Robins or Dayton or Boston or Salt Lake City or Aberdeen
$110k-$160k/yr OnsiteFull Time
Integrated Solutions for Systems
Integrated Solutions for Systems: Provides engineering, systems integration, and research for defense.
7+ YOEBachelors in Mechanical Engineering, 7+ years mechanical design and prototype experience, SolidWorks and CAD proficiency, hands-on hardware integration and troubleshooting, ability to obtain SECRET security clearance.
SolidWorks, CAD
2mo
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Senior Infrastructure Engineer
College Park, Maryland, United States
$135k-$216k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
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.
3w
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Mechanical Design Engineer II
Lancaster, Pennsylvania, United States
OnsiteFull Time
Woodstream
Woodstream: Manufactures and markets pest and animal control products.
3+ YOEBachelor's in Mechanical Engineering, 3+ years engineering experience managing mid-large projects, proficiency in SolidWorks/3D CAD, prototyping and testing experience, plastics and machining experience preferred.
SolidWorks
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Junior Electrical Engineer
Dulles, Virginia, United States
$61k-$122k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
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
3w
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Senior Mechanical Engineer
Sterling, Virginia, United States
HybridFull Time
Axon
AxonNASDAQ: AXON: Develops weapons and software for law enforcement and safety.
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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Advanced Mechanical Engineer
Herndon, Virginia, United States
$137k-$144k/yr OnsiteFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
5+ YOEBachelor's in Mechanical Engineering (plus 5 years) or Master's (plus 3 years); Department of Defense Secret clearance at hire; U.S. citizenship; experience in structural analysis, machine design, prototyping, and familiarity with standards and CAD/analysis tools.
Ansys, Plaxis, Inventor, Revit
2w
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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
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
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
1w
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Mechanical Design Engineer
Washington, District of Columbia, United States
$112k-$190k/yr OnsiteFull Time
Technology Service Corporation
Technology Service Corporation: Develops advanced sensor systems and engineering solutions for defense.
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
1mo
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Forward Deployed Engineer (Federal)
Washington or New York City
$175k-$235k/yr FieldFull Time
Cape
Cape: A privacy-first mobile carrier providing secure cellular network services.
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.
2w
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R&D/PRODUCT DEVELOPMENT ENGINEER
Harrisburg, Pennsylvania, United States
$115k-$144k/yr OnsiteFull Time
TE Connectivity
TE ConnectivityNYSE: TEL: Manufacturer of electronic connectors and sensors for global industries.
8+ YOEBachelor's in engineering required (Master's preferred), 8+ years in product or manufacturing engineering, strong CAD and prototyping experience, knowledge of CNC, additive manufacturing, DFM/DfAM, GD&T, simulation, and cross-functional collaboration.
CAD, simulation, generative design
3mo
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Hardware Integration Engineer (Electrical)
Dulles, Virginia, United States
$87k-$182k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEAbility to obtain TS/SCI, BS in EE/CE/CS (ABET), 5+ years RF engineering experience, strong RF theory and system design skills, prototyping and test experience, strong communication and attention to detail.
Altium Designer, HFSS, CST, ADS
3mo
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Multidisciplinary Systems Engineer (Mechanical/Software)
Frederick, Maryland, United States
$75k-$101k/yr HybridFull Time
WGS Systems
WGS Systems: Develops intelligence and surveillance systems for military and law enforcement.
2+ YOEBachelor's in Mechanical Engineering, Mechatronics, Robotics, Aerospace Engineering, or related field; 2-5 years product development experience in defense/aerospace/electronics; US Citizen with ability to obtain USG security clearance; strong CAD/FEA; Python; prototyping; hardware/software integration.
SolidWorks, CREO, ANSYS, COMSOL, SolidWorks Simulation, MATLAB, Python, C/C++, Linux, Git