77 prototype engineer jobs at 51 companies in Fredericksburg, VA

2w
Save
Mark Applied
Hide
Prototype Machinist (Mech Tech H 3)
Alexandria, Virginia, United States
$30-$45/hr OnsiteFull Time
HII
HIINYSE: HII: Builds naval ships and provides global defense technology solutions.
5+ YOE5+ years related machining experience; proficiency with CNC programming/set-up, conventional lathes and mills, measurement tools, and reading engineering drawings; HS/GED or certification preferred; associate degree preferred.
CNC, knee mills, lathes, CNC routers, waterjets, lasers, Mastercam, Electronic measurement devices
1mo
Save
Mark Applied
Hide
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
4d
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
Principal Optical Engineer
Lorton, Virginia, United States
$165k-$214k/yr OnsiteFull Time
QinetiQ
QinetiQLondon Stock Exchange: QQ: Provides defense, security, and aerospace technology solutions.
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)
3w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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.
1mo
Save
Mark Applied
Hide
Radar Payload Systems Engineer
Chantilly, Virginia, United States
OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
8+ YOESenior radar hardware engineer with TS/SCI clearance, 8+ years radar space system experience, remote sensing knowledge, MATLAB/Python prototyping.
MATLAB, Python, MS Office
6d
Save
Mark Applied
Hide
Textile Engineer
Lorton, Virginia, United States
$69k-$158k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
3+ YOE3+ years analyzing clothing/footwear/material performance; knowledge of fibers, fabrics, sizing, QA/QC, prototyping; bachelor’s degree; secret clearance; EMR not applicable.
Adobe Illustrator, Gerber Accumark, CLO3D, Browzwear
3mo
Save
Mark Applied
Hide
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
6d
Save
Mark Applied
Hide
Textile Engineer
Lorton, Virginia, United States
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
3+ YOE3+ years analyzing clothing/footwear/material performance; knowledge of fibers, fabrics, garment construction, sizing, QA/QC, prototyping; data analytics experience; Secret clearance and bachelor's degree required.
Adobe Illustrator, Gerber Accumark, CLO3D, Browzwear
3w
Save
Mark Applied
Hide
Engineer – Testing of Fuze Components
Indian Head, Maryland, United States
OnsiteFull Time
EHS Technologies
EHS Technologies: Provides engineering, IT, and environmental services to defense agencies.
BS in Electrical or Mechanical Engineering required; experience in fuze component design, prototyping, and testing; knowledge of test planning, data acquisition, and test reporting; Altium Designer and MAVlink experience preferred; must be US citizen able to obtain security clearance and explosives medical certification; subject to random drug test...
Altium Designer, MAVlink
3w
Save
Mark Applied
Hide
AI Solutions Engineer - JobID-0230
Mount Laurel or Arlington or San Diego
$90k-$184k/yr OnsiteFull Time
Innovative Defense Technologies
Innovative Defense Technologies: Develops AI-enabled software and systems for defense customers, focusing on automation and rapid delivery of mission-critical capabilities.
3+ YOE3+ years technical experience, bachelor\u0002s in CS/Data Science/Engineering or equivalent, U.S. citizenship, able to obtain/maintain Secret clearance, experience with LLMs/generative AI, prototyping, secure software practices, and stakeholder collaboration.
LLMs, MLOps, CI/CD, DevSecOps, NIST 800-53, DISA STIGs, Risk Management Framework, Aegis, SSDS, SLQ-32
2mo
Save
Mark Applied
Hide
Systems Engineer, C2 Integration - Active Clearance
Costa Mesa or Seattle or Washington
$146k-$220k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
6+ YOE6+ years post-grad experience; prototyping, testing, scripting; travel readiness; US Secret clearance or higher.
5d
Save
Mark Applied
Hide
Electrical Engineer (RF / Embedded Systems)
Herndon, Virginia, United States
$130k-$140k/yr HybridFull Time
PBA Group
PBA Group: Designs and manufactures industrial robotics and precision motion systems.
Mid-level electrical engineer with strong RF and embedded systems experience, PCB and power electronics skills, firmware and I2C protocol knowledge, track record moving prototypes to manufacturable products, fluent with modern AI tooling, U.S. person and willing to be onsite 4 days/week with occasional travel.
I2C, Claude, Gemini
1mo
Save
Mark Applied
Hide
Electrical Engineer II
Fairfax, Virginia, United States
OnsiteFull Time
Sparton
Sparton: Produces sonobuoys and undersea sensors for maritime defense.
2+ YOEBachelor's degree in EE (or related) with 2+ years experience (Master's with 0-2 yrs acceptable). Experience with circuit and PCB design (Altium), sensor systems, prototyping, and ability to obtain Active Secret clearance; US citizenship required.
Altium, FPGA
1w
Save
Mark Applied
Hide
Propulsion Design Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Lynk Global
Lynk Global: Enables direct satellite-to-phone connectivity for standard mobile devices.
5+ YOEBS/MS in aerospace/mechanical/applied physics,5+ years electric propulsion experience,hands-on prototyping,CAD and simulation skills,good communication and independent/team work ability.
FEMM, Solidworks, Thermal Desktop, Autodesk CFD