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197 engineer scientist jobs at 103 companies in Frederick, MD

2mo
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Engineer/Scientist 3
Charleston or Norfolk or New Orleans or Portsmouth or Washington or Patuxent River
OnsiteContract, Temporary
Stahl Companies
Stahl Companies: Provides program management and support services for construction firms and government technology projects.
5+ YOEBachelor's in engineering, CS, physics or related; 5+ years relevant experience; IAT Level II (e.g., Security+ CE) and active SECRET clearance; familiarity with system lifecycle, data analysis, system design, integration, and technical documentation.
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2mo
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Data Scientist Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Entegra Systems
Entegra Systems: Provides engineering and intelligence analysis for government missions.
Top Secret/SCI clearance with poly; Bachelor's degree; experienced non-manager; strong data analytics and engineering skills.
Pig, Hadoop MapReduce, Scripting, Analytics Tools
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3mo
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Space Scientist-Engineer
Arlington, Virginia, United States
OnsiteFull Time
Envisioneering
Envisioneering: Provides engineering, R&D, and electronic warfare solutions for defense.
10+ YOETS security clearance; TOP SECRET/SCI eligibility; extensive systems engineering and program support in Navy S&T; expertise in space systems, EW, software, RF/EO-IR; advanced degree with substantial experience.
Systems Engineering, Software Development, RF, EO/IR sensors, Electronic Warfare
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1w
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Senior Data Scientist/ Engineer
Honolulu or Annapolis Junction
$146k-$234k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
7+ YOEAdvanced data science and engineering experience (minimum 7–12+ years depending on degree), strong computational and coding skills, DoD cyber defense knowledge, active or obtainable TS/SCI, U.S. citizenship required.
Azure, Java, Linux, Ruby, Python, .NET, C#, C++, JSON, XML, XSLT, JDBC, SOAP, REST, Hadoop, Mahout, Acumulo, Hive, Impala, Pig, Microsoft Pivot, Palantir, Visual Analytics, Lucene, Sphinx, Nutch, Solr, LSI, LDA, VAULTIS
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2w
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Data Engineer/Scientist (Contingent)
Springfield, Virginia, United States
OnsiteFull Time
Sphinx
Sphinx: Cybersecurity and intelligence services for national security missions.
8+ YOEActive TS/SCI with CI Polygraph, U.S. citizenship, BS in CS/Data Science/Math, 8+ years data engineering/science, experience with Airflow and Spark, DoD/IC classified experience, DoD 8140 compliant (CompTIA Security+).
Airflow, Spark, TensorFlow, PyTorch, Hadoop, Kafka, Elasticsearch
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Scientist/Engineer III
Arlington, Virginia, United States
OnsiteFull Time
ECS
ECSNYSE: ASGN: Provides advanced technology and engineering services to government agencies.
12+ YOEMaster's degree; active DoD Secret clearance or ability to obtain; 12+ years experience in R&D project planning and execution; strong analytical, programmatic, and technical capabilities.
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1mo
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SME - Engineer/Scientist/Aviation
Washington, District of Columbia, United States
OnsiteFull Time
CSSI
CSSI: A provider of engineering and technical services addressing safety-critical transportation and defense system challenges for government and commercial clients.
4+ YOEBachelor's or advanced degree in engineering/science (or equivalent experience), 4+ years (varies by level) performing modeling, simulation, analytics, and technical problem solving; U.S. citizen/green card with 3+ years US residency and Public Trust approval.
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1w
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Senior Data Scientist/ Engineer
Annapolis Junction or Honolulu
$146k-$234k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
12+ YOETS/SCI required or eligible. Advanced technical background with 12+ years (BS) or equivalent experience; strong coding, data architecture, ETL, and cyber policy knowledge.
Java, Linux, Ruby, Python, .NET, C#, C++, JSON, XML, XSLT, JDBC, SOAP, REST, Hadoop, Mahout, Acumulo, Hive, Impala, Pig, Microsoft Pivot, Palantir, Visual Analytics, Lucene, Sphinx, Nutch, Solr, LSI, LDA
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3mo
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Protection Scientist Engineer, Intelligence and Investigations
San Francisco or New York City or Washington or Remote - US
$198k-$425k/yr HybridFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
4+ YOE4+ years in technical analysis/detection using SQL and Python; experience in trust/safety; data engineering and ML knowledge; productionised code experience.
SQL, Python, Data pipelines, Machine Learning, Production software development
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2mo
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Senior Staff Environmental Engineer or Scientist
Washington, District of Columbia, United States
$71k-$107k/yr OnsiteFull Time
Geosyntec Consultants
Geosyntec Consultants: Engineering and environmental consulting firm providing design services.
2+ YOESenior staff level role requiring 2+ years in environmental due diligence, fieldwork, regulatory knowledge, OSSHA 40-hr HAZWOPER, strong writing, and travel.
AutoCAD, GIS, Microsoft Word, Microsoft Excel, AI tools
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1mo
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Senior Scientist
Chantilly or Ypsilanti
$99k-$207k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
10+ YOEU.S. citizen with active TS/SCI + polygraph, degree in EE/Signal Processing/Physics or 10+ years experience, SAR background, strong algorithm-to-software skills (C++, Python, MATLAB, Rust), mentoring and integration experience.
C++, Python, MATLAB, Rust
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1mo
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Scientist (Algorithm Developer)
Falls Church, Virginia, United States
$85k-$145k/yr OnsiteFull Time
Areté
Areté: Develops advanced sensing and signal processing solutions for national security.
2+ YOESTEM degree required; experience in signal/image processing, computer vision, or machine learning; programming in Python, C/C++, or MATLAB; ability to obtain TS/SCI clearance; willing to work onsite 100% in Falls Church, VA.
Python, C, C++, MATLAB, Linux, MPI, CUDA
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3mo
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Data Scientist 3
Annapolis Junction, Maryland, United States
OnsiteFull Time
RealmOne
RealmOne: Provides advanced technology services for national security agencies.
10+ YOESenior Data Scientist with 10+ years of relevant experience in data engineering, ML, data management, and government data analysis; BS required, advanced degree preferred or related certifications.
Python, SQL, Machine Learning, Data Visualization
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1mo
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Technical Management Scientist/Engineer
Arlington, Virginia, United States
OnsiteFull Time
Guidehouse
Guidehouse: Provides management and technology consulting services to diverse organizations.
3+ YOEAbility to obtain Secret clearance, Bachelor’s degree, 3+ years program/project management experience, familiarity with STEM disciplines, coordinating multiple projects/teams, and strong communication and self-starter skills.
AI tools, Microsoft Office
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2mo
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Data Scientist / Data Engineer
Reston or United States
RemoteFull Time
Game Plan Tech
Game Plan Tech: Provides secure cloud and AI solutions for government agencies.
3+ YOEProduction experience building data products; Python and SQL; cloud platforms; DoD RMF/IL4/IL5/IL6 knowledge; US citizenship with active DoD Secret clearance
Python, SQL, Spark/PySpark, dbt, Airflow, AWS GovCloud, Azure Government, GCP, Pandas, NumPy, scikit-learn, PyTorch, TensorFlow
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2w
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Scientist
Gaithersburg, Maryland, United States
$120k-$127k/yr OnsiteFull Time
Axle Informatics
Axle Informatics: Provides bioscience and IT solutions for biomedical research.
8+ YOEPhD in bioengineering/chemical engineering/biochemistry,8+ years recombinant protein purification development for GMP clinical-phase products,record keeping,team collaboration,oral and written communication.
JMP
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2mo
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Senior Scientist - Optical Signal Processing
Woburn or Arlington
$139k-$180k/yr OnsiteFull Time
Systems & Technology Research
Systems & Technology Research: Develops advanced technology for national security and defense applications.
3+ YOESenior scientist with 3-5+ years in physics/engineering; degree in physics, applied math, or electrical engineering; proficiency in MATLAB/Python/C/C++; security clearance eligibility; strong communication.
MATLAB, Python, C/C++
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2w
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Expert Data Scientist/Systems Engineer
Chantilly, Virginia, United States
$190k-$225k/yr OnsiteFull Time
Markon
Markon: Delivers management and technical consulting services to federal agencies.
10+ YOEActive TS/SCI with polygraph, bachelor’s in computer science/data science or equivalent experience, 10+ years relevant experience, expertise in data modeling, link analysis, graph databases, Docker/Kubernetes, Java/Python/JavaScript.
Docker, Kubernetes, Tableau, Java, Python, JavaScript, Cypher
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2w
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Expert Data Scientist/Systems Engineer
Chantilly, Virginia, United States
$190k-$225k/yr OnsiteFull Time
Markon Solutions
Markon Solutions: Provides professional program and engineering services to federal agencies.
10+ YOEActive TS/SCI with full-scope polygraph, bachelor\u0002s or equivalent experience, 10+ years relevant experience; experience with unstructured data, data modeling, Docker/Kubernetes, graph databases/cypher, Java/Python/JavaScript, and data visualization.
Docker, Kubernetes, Java, Python, JavaScript, cypher, Tableau
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3mo
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Data Scientist (TS/SCI w/ Poly)
Columbia, Maryland, United States
$180k-$220k/yr OnsiteFull Time
SIXGEN
SIXGEN: Provides advanced cybersecurity services and products for national security.
4+ YOESenior Data Scientist with TS/SCI w/ Poly, 4+ years experience; onsite; strong data engineering and pipelines; cloud experience.
Python, Java, Scala, PostgreSQL, MySQL, MongoDB, Cassandra, Neo4j, Spark, Hadoop, Kafka, AWS, Azure
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