86 engineer and developer jobs at 34 companies in Halfway, MD
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Modeling and Simulations Software Developer
Huntsville or Rockville or Maryland or California
$72k-$123k/yr OnsiteFull Time
4+ YOEUS citizen with Secret clearance, Bachelor's in CS/CE or related plus 4+ years experience, modeling & simulations experience, C++ development, software engineering and testing experience.
C++
2w
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Instrumentation and Controls Engineer
Bethesda, Maryland, United States
$110k-$240k/yr HybridFull Time
Bachelor's in electrical, computer, nuclear, or systems engineering required; advanced degree preferred. Experience with I&C systems, control theory, simulators, reactor protection, sensors, and safety analyses. Must comply with U.S. export control requirements.
2mo
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Engineer – System Verification and Validation
Rockville, Maryland, United States
$79k-$135k/yr OnsiteFull Time
2+ YOEBachelor's in engineering or science and 2+ years MBSE experience (Cameo/SysML and/or DOORS/DXL); systems engineering lifecycle experience with emphasis on verification/validation; Microsoft Office proficiency; willingness to travel up to 10%; U.S. citizenship and ability to obtain Top Secret.
Cameo, SysML, DOORS, DXL, Microsoft Office
1w
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Engineer – System Verification and Validation
Rockville, Maryland, United States
$79k-$135k/yr OnsiteFull Time
2+ YOEBachelor's in systems/mechanical/electrical engineering (or Master's), 2+ years relevant experience, ability to obtain Top Secret clearance, proficiency with Microsoft Office, willingness to travel up to 10%.
Microsoft Office
3d
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Senior Developer and Network Analyst
Frederick, Maryland, United States
$87k-$131k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent experience and 5+ years in software development, product management, or business systems analysis; requires SQL, BI reporting, analytical, communication, and problem-solving skills.
Classic ASP, ASP.NET, HTML, Angular, Sitecore, HubSpot, Microsoft Windows, MicroStrategy, Power BI, SQL, Oracle, SQL Server, Snowflake, Microsoft Excel, Microsoft Access, Microsoft PowerPoint, Microsoft Word
1w
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Commissioning and Substation Services Engineer
Fairmont or Williamsport
FieldFull Time
2+ YOEBachelor's in engineering (ABET) or PE/acceptable alternative, FE preferred, minimum 2 years engineering experience, knowledge of transmission substation equipment, protection/control, SEL/Enoserve/Doble experience, ability to travel and respond to afterhours callouts.
SEL, Enoserve RTS, Doble
3w
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Test and Integration Engineer
Denver or Sterling
$63k-$130k/yr HybridFull Time
3+ YOEU.S. citizen with TS/SCI clearance (or ability to obtain),3+ years in software testing/QA/DevOps,knowledge of CI/CD,containerization,Kubernetes,Linux,ability to read code (Java/Python),and strong analytical and communication skills.
GitLab, Helm, Kubernetes, Karate, Gherkin, Jenkins, GitLab CI, ArgoCD, Terraform, Dagger, Grafana, Kibana, Prometheus, Elasticsearch, AWS, Bash, Python, PostgreSQL, Redis, GitHub Copilot, ChatGPT
3w
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Test and Integration Engineer
Denver or Sterling
$63k-$130k/yr HybridFull Time
3+ YOEU.S. citizen with TS/SCI (polygraph preferred) or ability to obtain; 3+ years testing/QA/DevOps experience; Bachelor's in technical field or 5+ years experience; automated testing, Linux, CI/CD, containers, Agile, and coding familiarity required.
GitLab, GitLab CI/Runners, Helm, Kubernetes, API testing tools, Gherkin, Karate, Jenkins, ArgoCD, Terraform, Dagger, Grafana, Kibana, Prometheus, Elasticsearch, AWS, Bash, Python, PostgreSQL, Redis, GitHub Copilot, ChatGPT
2mo
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Wire Design and Installation Engineer
Herndon, Virginia, United States
$120k-$198k/yr OnsiteFull Time
3+ YOE3+ years in electrical wire design and installation; experience with large Audio/Visual systems; TS/SCI with Full Scope Poly; US citizenship; BS in engineering; willing to travel.
Jira, Confluence, Test equipment
2mo
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Wire Design and Installation Engineer
Herndon, Virginia, United States
$120k-$198k/yr OnsiteFull Time
3+ years experience for level 3; 5+ years for level 4; TS/SCI with Full Scope Poly; active U.S. citizenship; ability to travel; Bachelor’s in Engineering or related field.
Jira, Confluence
3d
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Senior Electrical Integration and Test Engineer
Herndon, Virginia, United States
$116k-$209k/yr OnsiteFull Time
7+ YOERequires an engineering degree or equivalent experience, 7–12+ years of progressive engineering experience, spacecraft integration and test experience, serial protocols, embedded systems testing, scripting, data analysis, and ability to obtain Top Secret clearance.
Microsoft Excel, MATLAB, gnuplot, C, Linux, GCC, Makefiles, shell scripting, logic analyzers
2mo
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Astrodynamics and Navigation Engineer III
Rockville, Maryland, United States
$125k-$175k/yr OnsiteFull Time
5+ YOELead trajectory design, orbit determination, and mission analysis for LEO to cislunar missions; 5-10+ years experience; strong in orbital mechanics; Python/MATLAB; STK/ODTK/GMAT proficiency.
STK, ODTK, FreeFlyer, GMAT, Python, MATLAB, C++
6d
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Principal Reliability and Functional Safety Engineer
Hagerstown, Maryland, United States
$83k-$134k/yr OnsiteFull Time
8+ YOEBS in Mechanical or Electrical Engineering,8+ years reliability/RMMR experience,expertise in hazard analysis,risk assessment,EN ISO 13849 and IEC 62061 safety analysis,product validation,and regulatory compliance.
3mo
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Satellite Guidance Navigation and Control Engineer
Herndon, Virginia, United States
$106k-$190k/yr OnsiteFull Time
8+ YOEUS citizen able to obtain/maintain Top Secret clearance; degree in engineering (or equivalent experience); 8+ years' progressive experience; satellite attitude/orbit control, GNSS, C/C++, Matlab/Simulink, simulation and Monte Carlo analysis.
C/C++, Matlab/Simulink, Global Navigation Satellite System (GNSS)
1mo
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Chemical Materials and Technology Engineer
Hagerstown, Maryland, United States
OnsiteFull Time
5+ YOEBachelor's or Master's in chemistry/biochemistry, 5+ years lab experience in analytical/wet chemistry, familiarity with GLP/cGMP/ISO 9001, LIMS experience, and strong experimental design and data-analysis skills.
ICP-OES, FTIR, TGA, gas chromatography (GC), high-performance liquid chromatography (HPLC), Laboratory Information Management Systems (LIMS)
1mo
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Principal Solutions Developer , Prototyping and Customer Engineering (PACE)
Boston or Austin or Arlington or Seattle or New York or Herndon or Chicago or San Francisco or Dallas
$183k-$284k/yr OnsiteFull Time
15+ YOE15+ years technical experience, bachelor's in CS/engineering/math (or equivalent), expertise in cloud architecture and CXO engagement, experience developing end-to-end solutions, programming with Python/JavaScript/Go/.Net/Java, EMR of distributed systems.
Python, JavaScript, Go, .Net, Java, AWS
2mo
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Senior Command and Control Software Engineer
Arlington or Clarksburg or Durham
$140k-$220k/yr OnsiteFull Time
3+ YOE3+ years embedded/edge software experience; strong modern C++ and Python; experience with real-time/low-latency systems, wire-level data formats, build tooling, and hardware bring-up.
C++, Python, NVIDIA Jetson, iceoryx2, ZeroMQ, Protobuf, TensorRT, ONNX, CMake, Conan, Docker, Linux, ARM
1mo
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Staff Software Engineer, Command and Control
Seattle or Herndon or United States
$150k-$180k/yr HybridFull Time
8+ YOEBachelor’s or Master’s in a computational field or equivalent experience, 8+ years software development, fluency in Python and strong Go skills, expertise in scalable software design and data structures, strong communication and problem-solving.
Python, Go
3w
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Senior Analytics and Visualization Engineer
Herndon or Annapolis Junction
$104k-$166k/yr OnsiteFull Time
Design and develop decision-support dashboards, define KPIs and metrics, analyze structured/semi-structured data, validate AI outputs, and communicate findings to technical and executive stakeholders.
Python, SQL, JavaScript, TypeScript, R, Tableau, Power BI, Grafana, Plotly, Dash, Streamlit, Superset, Qlik, Looker, D3.js, React, Vega-lite, Highcharts, ECharts, ArcGIS, Databricks, Snowflake, Microsoft Fabric, Azure Synapse, LangChain, LangGraph, Semantic Kernel, LlamaIndex
2mo
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Implementation and Support Engineer
Rockville, Maryland, United States
$110k-$125k/yr HybridFull Time
Configure, deploy, and support Knowvation; perform backups/imports/SQL; basic AWS knowledge; ETL understanding.
AWS, SQL Server, PostgreSQL, Solr, Windows, ETL, Knowvation
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