Falling Waters • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Falling Waters • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Falling Waters • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Falling Waters • 50 milesRemote · Hybrid · Onsite · Field · All Environments
122 principal engineer jobs at 42 companies in Falling Waters, WV
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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
3mo
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Principal Antenna Test / Sr Principal Antenna Test Engineer
Sykesville, Maryland, United States
$109k-$163k/yr OnsiteFull Time
5+ YOEBS/MS in Electrical Eng; 5+ years (Principal) or 8+ years (Sr Principal) in RF/test; RF test equipment; software dev in C#, VB, MATLAB; DoD Secret clearance with SAP; US citizenship.
Oscilloscope, Power meter, Spectrum analyzer, Signal generator, C#, Visual Basic, MATLAB
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
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
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
3d
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Principal Engineer-Software Development
Irving or Alpharetta or Ashburn or Temple Terrace or Basking Ridge
$121k-$231k/yr HybridFull Time
6+ YOEBachelor's degree or equivalent experience; 6+ years relevant experience; Java, Spring Boot, JavaScript/TypeScript, and React expertise; knowledge of architecture, microservices, REST APIs, and scalable distributed systems.
Java, Spring Boot, React, JavaScript, TypeScript, Apigee, Kibana, GIT, Jenkins, AWS, GCP, Azure, Docker, Kubernetes, Kafka, SQS, Kinesis, RabbitMQ, Redis
3mo
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Principal Systems Engineer
Germantown, Maryland, United States
$131k-$177k/yr OnsiteFull Time
8+ YOEBachelor's in engineering or equivalent, minimum 8 years integration engineering experience, ability to obtain DOD Secret clearance, U.S. citizenship, strong systems integration, troubleshooting, and communication skills.
Cameo, MatLab, STK
1w
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Principal Hardware Engineer
Ashburn, Virginia, United States
$144k-$190k/yr OnsiteFull Time
15+ YOEBachelor’s degree in electrical engineering, 15+ years of DoD embedded hardware experience, mixed-signal and high-speed circuit design, HDI PCB expertise, Siemens Expedition tools, leadership skills, and US citizenship.
Siemens Expedition DX Designer, Siemens Expedition PCB, Microsoft Office, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, FPGA, DSP, VPX
1w
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Principal Design Engineer
Chantilly or Herndon
$220k-$292k/yr OnsiteFull Time
20+ YOERequires 20+ years of mechanical and mechanism design, 10+ years designing spacecraft systems, 3-D CAD, prototyping, testing, leadership, and an engineering BS, MS, PhD, or equivalent experience. U.S. citizenship and Top Secret eligibility required.
3-D CAD, Oscilloscopes, power supplies, electronic loads, multimeters
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 production AI features, strong full‑stack and AWS experience, ability to mentor engineers and own technical direction; Bachelor's degree required.
AWS, 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, Claude Code, Cursor, Copilot, opencode, Hermes Agent, MCP, RAGAS
2d
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Principal Engineer-Software Development
Irving or Alpharetta or Ashburn or Temple Terrace or Basking Ridge
$121k-$231k/yr HybridFull Time
6+ YOEBachelor's degree or 4+ years of work experience and 6+ years of relevant experience. Requires Java, Spring Boot, JavaScript/TypeScript, React, software architecture, microservices, REST APIs, and distributed systems expertise.
Java, Spring Boot, React, JavaScript, TypeScript, Apigee, Kibana, GIT, Jenkins, AWS, GCP, Azure, Docker, Kubernetes, Kafka, SQS, Kinesis, RabbitMQ, Redis
1mo
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Sr. Principal Platform Engineer
Herndon, Virginia, United States
HybridFull Time
9+ YOETop Secret clearance, 8+ years platform or full-stack engineering experience, Kubernetes and cloud (AWS/Azure) proficiency, IaC (Terraform), CI/CD and GitOps experience, Go/Python, Prometheus/Grafana.
Kubernetes, AWS, Azure, Terraform, Crossplane, Ansible, KIND, Helm, Kustomize, Istio Service Mesh, Prometheus, Grafana, Docker, Podman, Go, Python, CI/CD, GitOps, Rook-Ceph, KeyCloak, OpenID Connect (OIDC), Foundry, IPSec, OpenVPN, Wireguard
1mo
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Principal Systems Engineer- DRT
Germantown, Maryland, United States
$150k-$191k/yr HybridFull Time
8+ YOEU.S. citizen able to obtain Top Secret/SCI, BSEE/BSCS (or equivalent) required, MSEE/MSCS preferred, 8+ years systems/design engineering, RF/Digital/communications experience, strong written/presentation skills.
2w
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Principal Mechanical Engineer
Sterling, Virginia, United States
$107k-$198k/yr OnsiteFull Time
9+ YOEBachelor’s in Aerospace/Mechanical (ABET),9+ years' related experience (7+ with Master’s),space hardware experience,PDM/configuration management,SolidWorks and Ansys Workbench familiarity,ability to support travel.
SolidWorks, Ansys Workbench, PDM
3d
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Principal Radio Frequency Engineer
Herndon or Arlington
$216k-$324k/yr OnsiteFull Time
9+ YOEBachelor’s degree or equivalent military/IC experience, 9+ years in DSP, SDR development, and RF reverse engineering, plus active DoD Top Secret clearance with SCI eligibility and technical leadership experience.
Software-Defined Radio (SDR), Digital Signal Processing (DSP), Linux, COTS, FSK, PSK, QAM, GPS L1/L2, GNSS, SATCOM, QBPSK, BOC, AGI STK, Ghidra, Forward Error Correction (FEC), Viterbi, Reed-Solomon
2w
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Principal ELINT Processing Engineer
Herndon, Virginia, United States
$170k-$220k/yr OnsiteFull Time
12+ YOEBachelor's in engineering or related field (or equivalent experience),12+ years ELINT signal processing experience, expert with ELINT ground processing and geolocation, CI/CD and systems integration experience, strong communication skills.
Sceptre, MARTES, ASPEN, CBET, Python, MATLAB, R, Jenkins, GitLab CI, CI/CD
3mo
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Principal Software Automation Engineer
Gaithersburg, Maryland, United States
$117k-$178k/yr HybridFull Time
7+ YOEBachelor's or higher in a related field; 7+ years of automation software design; experience with industrial robots/PLCs, C#/.NET or Java/C++, XML/SQL, MATLAB; hardware/software integration; machine vision preferred.
C# .Net, Java, C++, XML, SQL, MATLAB, PLC, Ladder Logic, Structured Text, Machine Vision, GPUs, Networking
3d
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Principal Engineer-Software Development
Irving or Alpharetta or Ashburn or Temple Terrace or Basking Ridge
$121k-$231k/yr HybridFull Time
6+ YOEBachelor's degree or equivalent experience and 6+ years of relevant experience. Requires Java, Spring Boot, JavaScript/TypeScript, React, software architecture, microservices, REST APIs, and distributed systems expertise.
Java, Spring Boot, React, JavaScript, TypeScript, Apigee, Kibana, GIT, Jenkins, AWS, GCP, Azure, Docker, Kubernetes, Kafka, SQS, Kinesis, RabbitMQ, Redis
2w
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Regional Geotechnical Principal
Frederick, Maryland, United States
$125k-$175k/yr OnsiteFull Time
12+ YOERequires 12 years of related experience, a civil or geological engineering degree, PE or PG license, technical expertise, project and risk management experience, business development success, leadership skills, and advanced geotechnical software proficiency.
advanced geotechnical analysis software
2d
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Principal Systems Engineer, Digital Engineering Solutions
Sterling, Virginia, United States
OnsitePart Time
16+ YOEActive DoD TS/SCI clearance with CI Polygraph, Security+ CE, bachelor's degree, and 16+ years architecting enterprise engineering platforms and IT infrastructure in cloud environments.
Teamwork Cloud, Cameo, Cassandra, Automation as Code (AaC), CI/CD, Ansible, Terraform, Jenkins, GitLab, ServiceNow, MySQL, MongoDB, Active Directory, SAML, OpenLDAP, OAuth 2.0, OIDC, Python, PowerShell, Groovy, Model-Based Systems Engineering (MBSE), Azure, Google Cloud Platform (GCP), Oracle Cloud Infrastructure (OCI), IBM Cloud, Grafana, Splunk, IBM Engineering Lifecycle Management (ELM), Microsoft SharePoint, Tableau, Rancher, Kubernetes
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