2w
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Data & Software Engineer
McLean, Virginia, United States
OnsiteFull Time
5+ YOERequires active Poly clearance, 5+ years building production Python-based data pipelines, Spark/PySpark expertise, containerization and AWS deployment, SQL/NoSQL tuning, orchestration, data lineage/catalog, Bash, and AI/ML integration.
Python, Java, Apache Spark, PySpark, Pandas, NumPy, Docker, Podman, AWS S3, AWS Lambda, AWS Step Functions, Apache Iceberg, Airflow, MySQL, PostgreSQL, Trino, SQL, DynamoDB, Unity Catalog OSS, Apache Polaris, Apache Superset, Terraform, CloudFormation, OpenLineage, H3, PostGIS, Git, Bash
1mo
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Data & AI Engineer
Chantilly, Virginia, United States
RemoteFull Time
Experience with software development (Python, C#), strong SQL/Microsoft SQL Server skills, Microsoft-based environments, problem-solving, and interest in generative AI/LLMs. Ability to work independently and communicate with stakeholders.
Python, C#, APIs, Microsoft SQL Server, SharePoint, Microsoft Azure, LLMs
1mo
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Senior Data Engineer/Architect, WWPS, ProServe Non Profits Organization (NPO)
Chicago or Herndon or Dallas
$154k-$208k/yr OnsiteFull Time
7+ YOE7+ years data engineering/architecture experience; 5+ years with databases and cloud solutions; 3+ years cloud-based solution and customer-facing project experience; 5+ years cloud architecture; Bachelor's or 7+ years experience; SQL, Python, and secure software practices.
SQL, Python, schema definition, secure code practices, Terraform, CDK, data pipelines, Dimensional, Data Vault
1mo
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Sr. Solutions Engineer - Public Sector (Defense Industrial Base)
McLean or Washington or Virginia
$152k-$209k/yr FieldFull Time
5+ YOE5+ years in customer-facing pre-sales/technical architecture or consulting; experience designing distributed data systems; programming in Python/Scala/Java/SQL/R; public sector experience; worked with AWS/Azure/GCP; expertise with Spark, MLflow, Delta Lake; willingness to obtain Secret clearance.
Databricks, Apache Spark, MLflow, Delta Lake, Koalas, Python, Scala, Java, SQL, R, pandas, scikit-learn, HPO, AWS, Azure, GCP
1mo
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Fraud AI / Data Senior Consultant
McLean or Tysons Corner or New York or Washington or Arlington or United States
$113k-$188k/yr OnsiteFull Time
4+ YOEBachelor's degree, US-based U.S. citizen able to obtain Public Trust, 4+ years in AI/data/analytics, Python/R and SQL proficiency, cloud (AWS/Azure/GCP), ML model development, data engineering, and fraud/fincrime experience.
Python, R, SQL, CSV, TXT, JSON, XML, Parquet, AWS, Azure, GCP, Microsoft Power BI, Tableau, Looker, Databricks, Palantir, Vertex AI, SageMaker, Oracle Mantas, Actimize, Fircosoft, LexisNexis Bridger, World-Check, Dow Jones, Chainalysis, Elliptic, TRM Labs, LexisNexis product API
2w
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Lead Machine Learning / Data Science Engineer
Richmond, Virginia, United States
$90k-$200k/yr OnsiteFull Time
7+ YOE7+ years delivering cloud-based data engineering and ML solutions; Bachelor's degree or equivalent; technical leadership and mentoring experience; hands-on with Python/Scala, SQL, Spark, NoSQL, Docker, Snowflake/Databricks, AWS/Azure/GCP; experience with production LLMs and agentic AI.
Python, Scala, SQL, Spark, NoSQL, Docker, Snowflake, Databricks, Azure SQL, Amazon RDS, AWS, Azure, GCP, GPT, Claude, Mistral, langchain, n8n, pydantic, MCP, RAG
2mo
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Mechanical Engineer 2 - Tysons, VA
Tysons, Virginia, United States
OnsiteFull Time
2+ YOEBachelor’s degree in Engineering; 2+ years project-based experience; knowledge of ASHRAE, SMACNA; strong communication skills; design experience on governmental sites and data centers; U.S. citizenship for security eligibility.
AutoCAD, Revit, BIM, Trane TRACE, Carrier HAP, LEED, CEM, DBIA
1mo
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Knowledge Engineer Specialist
Houston or Milwaukee or Dallas or Columbus or Cincinnati or New York or Cleveland or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or Morristown or San Francisco or Boston or Denver or Philadelphia or Overland Park or Los Angeles or Charlotte or Seattle or Carmel or Arlington or Atlanta or Beaverton or Nashville or Detroit or San Diego
$54k-$206k/yr HybridFull Time
2+ YOEBachelor's degree or equivalent experience; minimum 2 years experience in knowledge graph technologies, schema/ontology design, or graph-based solutions; experience with data pipelines and databases; ability to lead teams and work with clients.
RDF, SPARQL, LPG, SHACL, Stardog, Neo4J, Amazon Neptune, AWS, Azure, GCP, Python, Tensorflow, PyTorch, Apache NiFi, Airflow, LLM
1w
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Azure Data Quality Assurance Specialist
McLean or Melbourne
$78k-$176k/yr OnsiteFull Time
3+ YOE3+ years using Azure data engineering tools (Synapse/Databricks), data profiling and SQL/PySpark; build automated testing frameworks; script-based testing with Python/Scala; HS diploma or GED; ability to obtain Public Trust.
Azure Synapse, Azure Databricks, Oracle, AWS, SQL, PySpark, Python, Scala, Collibra's Data Quality, JIRA, Confluence, Dynatrace, Splunk
4d
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Junior SharePoint Engineer/Developer
Arlington, Virginia, United States
$110k-$125k/yr OnsiteFull Time
Experience developing and maintaining SharePoint-based systems, Microsoft Forms, SharePoint Designer, Power Automate, data extracts/visualizations, permissions management, end-user support, and documentation.
SharePoint, Microsoft Forms, SharePoint Designer, Power Automate, Microsoft Office
2mo
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Sr Software Engineer II
Sterling, Virginia, United States
HybridFull Time
8+ YOE8+ years software development; experience designing highly available cloud-based systems; backend experience with Java/Scala/Go/C#; SQL/NoSQL data stores; bachelor's in CS/Engineering.
Java, Scala, Go, C#, SQL, NoSQL, cloud services
4d
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Lead Software Developer
Seattle or St. Louis or Arlington or Ridley Park or Charleston or Mesa
$183k-$265k/yr HybridFull Time
10+ YOEBachelor's degree in a technical field and 10+ years developing software, data pipelines, and cloud-based data services; U.S. Person required for export control; drug testing and COI assessment apply.
Microsoft Teams, Mattermost, GitHub
1w
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Software Engineer, Senior
Herndon, Virginia, United States
$165k-$220k/yr OnsiteFull Time
9+ YOEActive Top Secret clearance, 9+ years software development (7+ with MS), expert Python, experience with scientific/sensor data processing, ML workflows, Git-based source control, and strong communication skills.
Python, Windows, Linux, Git, GitLab, Bitbucket, Jira, Jenkins, PyTorch, TensorFlow, scikit-learn, NumPy, pandas, OpenCV, SciPy, C, C++, MATLAB, Java, Rust
3w
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Systems Engineer
Chantilly, Virginia, United States
$130k-$260k/yr OnsiteFull Time
Active TS/SCI with Full Scope Polygraph required; onsite in Chantilly, VA. Must design, secure, and optimize cloud systems (AWS, Azure), perform risk assessments, support NIST-based ATO/ATD accreditation, manage secure data flows, and communicate complex technical information.
AWS, Azure, NIST, Authority to Operate (ATO), Authorization to Deploy (ATD), Python, Windows PowerShell, Artificial Intelligence (AI), Machine Learning (ML)
1w
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26-6064: AI/ML Engineer - DC Metro - Secret
Herndon, Virginia, United States
$80k-$160k/yr OnsiteFull Time
Requires Secret clearance, experience designing and deploying AI/ML models, proficiency with Python and ML frameworks, cloud-based AI services, data engineering and MLOps, and knowledge of security/compliance for regulated environments.
Python, TensorFlow, PyTorch, Scikit‑learn, AWS Sagemaker, Azure ML, OCI Data Science
1mo
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AI Developer
McLean, Virginia, United States
$100k-$130k/yr HybridFull Time
3+ YOE3+ years developing AI/ML and LLM-based solutions with Python and Azure AI services; experience building APIs, data pipelines, and integrating AI into enterprise systems; US citizenship or permanent residency for Public Trust clearance; Bachelor's degree in STEM.
Python, Azure OpenAI Service, Azure AI Studio, Azure AI Search, Cognitive Services, OpenAI APIs, LangChain, Llama Index, Hugging Face, FastAPI, Flask, Pandas, NumPy, .NET, C#, Azure DevOps, Appian, UiPath, Pega, Blob Storage, Data Lake
3w
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Modeling & Simulation Analyst/Developer
Tysons, Virginia, United States
HybridFull Time
5+ YOEBachelor's in CS/ORSA/Data Science or equivalent, 5+ years building AI/ML or physics-based models, experience with modeling & simulation tools and briefing DoD customers, ability to obtain Secret clearance (U.S. citizens).
RAPTR, AWS, Azure, GCP
1w
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Senior Manager, Genome Portal Engineering
Gaithersburg or Manassas
$200k-$220k/yr HybridFull Time
12+ YOEBachelor's degree and 12+ years' experience, experience leading engineering teams and cloud-based scientific or data platforms, strong architecture and execution skills.
1mo
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Mechanical Designers
Fort Eustis, Virginia, United States
OnsiteFull Time
U.S. citizenship and ability to obtain/maintain a government security clearance; provide mechanical design, modeling, drafting, and CAD-based 3D modeling for aircraft integration; create engineering drawings and technical data packages.
2mo
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WGL - Lead, Energy Supply
Springfield, Virginia, United States
$114k-$166k/yr OnsiteFull Time
7+ YOELead role overseeing natural gas procurement, scheduling, regulatory support; 7+ years gas utility/trading; 2+ years people management; bachelor’s in related field; US-based.
Scheduling software, Regulatory reporting, Data analysis
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