652 principal engineer jobs at 192 companies in Buckhall, VA
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Principal Engineer
Annapolis Junction or Laurel
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
15+ YOEProvide system engineering oversight for HPC environments: configure and maintain Linux clusters, support users, develop documentation, coordinate testing, use GitLab/GitLab CI; minimum 15 years technical experience and current government clearance with polygraph.
Linux, HPC, GitLab, GitLab CI
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Senior Principal Mission Engineer
Chantilly, Virginia, United States
OnsiteFull Time
15+ YOESenior Principal Mission Engineer with 15+ years in DoD/NRO space programs; OPIR/space ISR experience; MBSE; TS/SCI clearance preferred.
MATLAB, STK, MODTRAN, MBSE, Cameo
1w
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Salesforce Principal Engineer
Tysons or McLean
$85k-$167k/yr OnsiteFull Time
10+ YOEBachelor's degree in computer science, engineering, or technology preferred, or equivalent experience; 10+ years in banking technology and solution architecture; 5+ years mentoring technologists.
Salesforce Financial Cloud, Salesforce Data Cloud, MuleSoft, AWS, Artificial Intelligence (AI)
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Senior Principal Engineer
Washington, District of Columbia, United States
$159k-$191k/yr HybridFull Time
10+ YOEBachelor's in electrical engineering, 10+ years in electric power planning/operations/reliability, NERC knowledge, strong communication and consensus-building, Microsoft Office proficiency.
Microsoft Word, PowerPoint, Microsoft Excel, Microsoft Outlook, Clear Company
1mo
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Associate Principal Engineer
Dulles, Virginia, United States
OnsiteFull Time
12+ YOE5+ MgmtBachelor's degree in engineering, PE license, 12+ years relevant experience with 5+ years managing people; expert HVAC/plumbing systems knowledge; strong communication and CADD/Microsoft skills.
CADD, Microsoft Office, Microsoft Excel
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Principal Engineer
Dahlgren or Washington
OnsiteFull Time
25+ YOE25+ years US Navy or equivalent experience with Aegis/ABMD/SSDS/IAMD/NIFC-CA or similar systems, advanced writing/speaking skills, 2 years Microsoft Office experience, US citizenship and eligibility for access to classified information.
Aegis Combat System, Aegis Ballistic Missile Defense (ABMD), NIFC-CA, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
2w
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Sr. Principal Engineer - Autonomy
Frederick, Maryland, United States
$104k-$174k/yr OnsiteFull Time
6+ YOEBachelor's degree in engineering or related field and 6+ years of related experience; advanced C++ and ROS2 proficiency, autonomous systems experience, Ubuntu 22.04+, and distributed systems expertise.
C++, ROS2, Ubuntu 22.04+, graphical user interfaces, inter-process messaging
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Principal Mechanical Engineer
Sterling, Virginia, United States
OnsiteFull Time
9+ YOESenior mechanical engineer with 9+ years experience in aerospace/space hardware, ABET degree, CAD/FEA expertise, PDM experience, and cross-disciplinary collaboration.
SolidWorks, ANSYS Workbench, PDM
1w
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Principal Engineer - FPGA/ASIC Design
Reston or Washington, D.C. or Indianapolis or West Lafayette
$152k-$247k/yr HybridFull Time
5+ YOEBachelor's with 5+ years, master's with 3+ years, or PhD in electronics or computer engineering; U.S. citizenship required. FPGA/ASIC, RTL, VHDL/Verilog/SystemVerilog and verification experience required.
FPGA, ASIC, DO-254, VHDL, Verilog, SystemVerilog, TCL, Python, Shell, Windows, Linux, Git, SVN, Actel, Xilinx, MATLAB, Simulink, Cameo Systems Modeler, MagicDraw, SysML, ILA, JTAG, Microsoft Excel
1w
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Principal Engineer - FPGA/ASIC Design
Reston, Virginia, United States
$152k-$247k/yr HybridFull Time
5+ YOEBachelor's degree plus 5+ years, master's plus 3+ years, or PhD in electronics or computer engineering; U.S. citizenship required. FPGA/ASIC, RTL, verification, timing closure, and development tool experience required.
FPGA, ASIC, VHDL, Verilog, SystemVerilog, MATLAB, Simulink, Cameo Systems Modeler, MagicDraw, TCL, Python, Shell, Windows, Linux, Git, SVN, JTAG, ILA, DO-254, SysML, Actel, Xilinx, oscilloscopes, logic analyzers
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Senior Principal Software Engineer
Annapolis Junction, Maryland, United States
$183k-$193k/yr HybridFull Time
8+ YOEBachelor's in software engineering (or related STEM) with 10+ years experience or Master's with 8+ years; ability to obtain DoD TS/SCI clearance; strong software lifecycle, embedded/Linux development, Kubernetes/CI/CD experience.
CI/CD, Kubernetes, Helm, containerd, Docker, Podman, FPGA, Linux, Model Context Protocol (MCP), AI/ML
3w
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Principal/Sr. Principal Engineer Electromechanical
Fairfax, Virginia, United States
$114k-$213k/yr OnsiteFull Time
5+ YOETS/SCI clearance, willingness to take full‑scope polygraph, STEM degree, 5+ years relevant experience (principal) or 8+ (sr. principal), expertise in software‑defined radios, RF and IP networking, ability to travel up to 25%.
STK, Linux
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Sr Principal Sys Engineer - D5LE2
Rockville, Maryland, United States
$150k-$254k/yr HybridFull Time
10+ YOEBachelor's in engineering, 10+ years systems engineering in DoD acquisition with 5+ years on ACAT 1 strategic deterrence programs; MBSE, DoD 5000 knowledge; strong communication, risk management, and documentation skills; must be U.S. person and able to obtain Secret clearance.
MBSE, DoD 5000 Adaptive Acquisition Framework
3mo
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Senior Principal Reverse Engineer
Arlington, Virginia, United States
OnsiteFull Time
10+ YOEUS Citizenship; active TS/SCI clearance; DHS suitability; 10+ years hardware reverse engineering or embedded systems analysis.
IDA Pro, Ghidra, Binary Ninja, Python, C, Assembly
1mo
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Principal/Sr Principal Cyber Systems Engineer
Dulles or Gilbert
$125k-$188k/yr OnsiteFull Time
5+ YOERequires TS/SCI clearance, 5+ years cyber systems experience (Principal) or 8+ (Sr Principal); RMF, DISA STIG, ACAS/Nessus, vulnerability remediation, system hardening, secure design for space systems.
DISA Automated Security Compliance Assessment Solution (ACAS), Tenable NESSUS, Fortify, Docker, Windows, Red Hat, SIEM tools, DISA Security Technical Implementation Guide (STIG)
3mo
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Principal Systems Engineer (Onsite)
Sterling, Virginia, United States
$118k-$225k/yr OnsiteFull Time
8+ YOERequires STEM degree with 8+ years experience or advanced degree with 5+ years; U.S. DoD Secret clearance; U.S. citizenship.
Python, MBSE, DOORS, JAMA, JIRA, Confluence, MIL-STD-810, MIL-STD-461, MIL-STD-704
2mo
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Senior Engineer (Engineer III) / Principal Engineer (Engineer IV) – Propulsion
Rockville, Maryland, United States
$160k-$200k/yr OnsiteFull Time
7+ YOESenior or Principal propulsion engineer with 7-10+ years, leadership of engineering teams, strong project management, and aerospace/system design expertise.
2w
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Principal Product Engineer - Evinova
Gaithersburg, Maryland, United States
$172k-$259k/yr HybridFull Time
8+ YOE8+ years software engineering experience with principal-level ownership, production AI feature experience (agents,RAG,model orchestration), strong full‑stack and AWS experience, mentoring ability, and a bachelor's degree.
AWS, EKS, React, TypeScript, Vite, Tailwind, shadcn/ui, BlockNote, Nginx, Node.js, Next.js, Python, Kafka, FastAPI, Dramatiq, Valkey, PynamoDB, SQLAlchemy, asyncpg, Prometheus, MongoDB, Docker, Kubernetes, AWS CDK, ECS Fargate, DynamoDB, S3, RDS, ElastiCache, Bedrock, Secrets Manager, SSM, NX, pnpm, GitHub Actions, GHCR, Docker/Buildx, Wiz, GitHub OIDC, Google ADK, LiteLLM, OpenRouter, Langfuse, OpenTelemetry, RAGAS, Claude Code, Cursor, Copilot, opencode, Hermes Agent, MCP
2mo
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Sr. Principal Engineer - Wet
Franklin or McLean or North America
HybridFull Time
8+ YOEBachelor's in food science/technology/engineering, 8+ years' relevant experience, deep Wet technology knowledge (product design, process, formulation), technical leadership, prototype development and stakeholder influencing.
1mo
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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
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