822 principal engineer jobs at 196 companies in Edgewater, MD
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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
2mo
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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
3mo
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Principal Engineer, Mechanical
Atlanta or Annapolis or Montgomery or Austin or Granbury or Fort Worth or Wharton or Alexander City or Perryman or Harrisburg
$151k-$168k/yr RemoteFull Time
10+ YOEBachelor's in engineering with 10 years experience; strong expertise in combustion turbines or steam turbines; leadership or senior-level credentials preferred.
Gas Turbine Technology, Engineering Analysis Tools
1mo
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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
18h
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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)
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
2mo
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Principal Electrical Engineer
Concord or Fairfax
OnsiteFull Time
7+ YOEBachelor’s in Electrical/Computer Engineering or related field; 9+ years with Bachelor’s or 7+ years with Master’s; HDL/FPGA, high-speed design, mixed-signal PCA, PCI/PCIe/VME/VPX experience.
FPGA, HDI PCB, Verilog, VHDL, PCIe, PCI, VME, VPX, logic analyzers, scopes, emulators, PCB design, HDL
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Principal or Sr. Principal Mechanical Engineer
Annapolis, Maryland, United States
$99k-$185k/yr OnsiteFull Time
5+ YOEBS in Mechanical/Aerospace/Ocean Engineering (or equivalent STEM) with 5+ yrs (Principal) or 8+ yrs (Senior Principal) experience; US citizen able to obtain TS/SCI and pass polygraph; proficiency with engineering design/analysis/office tools; ability to work onsite in Annapolis.
Siemens NX, Teamcenter
1mo
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Principal/Sr. Principal Structural Engineer
Annapolis, Maryland, United States
$109k-$204k/yr OnsiteFull Time
5+ YOEBS in engineering (Mechanical/Aerospace or equivalent STEM) with 5+ yrs (or MS with 3+ yrs) for Principal; 8+ yrs (or MS with 6+ yrs) for Sr. Principal. Proficiency with FEA tools (FEMAP/Nastran or ANSYS), bolted joint analysis, structural hand calculations. US citizen able to obtain TS/SCI and pass a polygraph.
Finite Element Analysis (FEA), FEMAP, Nastran, ANSYS, CFD
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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
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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
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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
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.
1w
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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
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
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.
3mo
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Principal Software Engineer
Annapolis Junction, Maryland, United States
$207k-$266k/yr OnsiteFull Time
12+ YOETop Secret clearance with Full Scope Polygraph; US citizenship; 12+ years of software engineering; BS or higher in Computer Engineering/CS; 5 years in SIGINT/IA/IT domains; expert Java (17+), REST, Spring Boot, SOLID OO design; leadership and mentoring.
Java, Spring Boot, REST, MongoDB, Docker, Kubernetes, Elasticsearch, Logstash, Kibana, PKI, TLS, SSL, Confluence, Jira
1mo
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Principal System Safety Engineer
Dulles, Virginia, United States
$118k-$225k/yr OnsiteFull Time
8+ YOESTEM degree with 8+ years' relevant experience, MIL-STD-882E system safety expertise, active transferable U.S. Secret security clearance, U.S. citizenship, program management and stakeholder collaboration skills.
MIL-STD-882E, DO-178, MIL-STD-1472, EVMS, Agile, Integrated Master Schedule (IMS)
2mo
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Principal Software Engineer
Arlington, Virginia, United States
OnsiteFull Time
Extensive software engineering leadership; delivery of large-scale distributed systems; cloud, AI/data platforms; strong communication and mentorship.
AWS, Cloud, DevOps, AI tooling, LLMs, distributed systems
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