Senior Scientist, Antibody Engineering Gables Search GroupSenior Scientist, Antibody EngineeringRockville, MDDevelop and advance next-generation phage display methodologies — including guided selection strategies, structure-informed panning, and epitope-directed approaches — expanding platform capabilities well beyond conventional campaign execution. Integrate AI/ML and computational tools into phage display workflows , leveraging generative protein design, protein language models, and in silico affinity prediction to accelerate lead identification and optimization.
Expert Imagery Scientist (OPIR) Leidos Holdings IncExpert Imagery Scientist (OPIR)Springfield, VA$116,350–$210,325 / yearThis exciting opportunity will have you servings as a customer-facing technical authority, delivering deep physics- and math-driven analysis across optics, thermal radiation, and signal processing, while leveraging advanced geospatial data management (ArcGIS, SDE, SQL/Oracle), scripting and analytics tools (Python/R, Tableau), and a forward-leaning understanding of AI integration in intelligence workflows, with the communication skills and professional presence required to represent Leidos and provide informal technical leadership. Serve as a customer-facing technical lead, requiring strong written and verbal communication skills, the ability to represent Leidos professionally with government stakeholders, and the capability to provide informal team leadership and mentorship as mission needs dictate.
Forensic Scientist (Crime Scene)/Crime Scene Analyst District Of ColumbiaForensic Scientist (Crime Scene)/Crime Scene AnalystWashington, DCCollects fingerprints/palm prints, tire and shoe prints, tool mark impressions, firearms, hair, clothing, fibers, and biological evidence or any other physical evidence deemed necessary to facilitate positive identification and/or elimination. Collective Bargaining Unit: This position is covered under a collective bargaining agreement, National Association of Government Employees (NAGE) Local R3-09, and subject to pay an agency service fee (union dues) through direct payroll deduction.
Expert Imagery Scientist (SAR) Leidos Holdings IncExpert Imagery Scientist (SAR)Springfield, VA$116,350–$210,325 / yearAdditional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
AI Data Scientist Unissant IncAI Data ScientistAshburn, VAThe ideal candidate has a combination of technical, operational, and interpersonal skills, with demonstrated expertise in collaborating with cross-functional teams to collect and interpret complex datasets. Essential Duties and Responsibilities: Advanced Analytics Solutions: Design and implement machine learning models, Gen-AI (LLM) and NLP models, and statistical methods to solve complex business challenges.
NewData Scientist KBRData ScientistChantilly, VA$161,200–$221,600 / yearGED plays a critical role in enabling the Intelligence Community Customer to plan and execute intelligence-gathering missions, transforming collected data into useful information for the Intelligence Community (IC) and Department of Defense (DoD) users. Who You Are: KBR is looking for a motivated Data Scientist to join our team and provide Systems Engineer Technical Advisor (SETA) support for the Intelligence Community Customer Ground Enterprise Directorate (GED).
Data Scientist - Tech focus - Top Secret required to apply - DC area Bow Wave LLCData Scientist - Tech focus - Top Secret required to apply - DC areaReston, VAFull timeExtract features from open source information stored in a wide range of possible formats,including JSON, XML, raw text logs, industry-specific encodings, and graph link data;• Apply natural language processing, computer vision, signal processing, and speaker and speechrecognition algorithms to identify objects in text, image, video, and audio files;• Apply descriptive and inferential statistics to describe data and makepredictions about the data, including statistical tests to determine confidence for a hypothesis,common summary statistics (e.g. Contractor shall:• Create data packages, in the form of databases, reports, and visualization'• Communicate ongoing data science activities, technical findings, and data products for bothtechnical and non-technical customers• Extract relevant features from large data stores containing open source, PIA, and CAI,containing bad records, partial records, errors, or other forms of "noising."•
GNSS Scientist Computational Physics, Inc.GNSS ScientistWashington, DCFull timeComputational Physics, Inc. (CPI) is looking for a GNSS Analyst or Mathematician to support our customers at the U.S. Naval Observatory, Washington DC.BackgroundThe U.S. Naval Observatory (USNO) provides precise time, Earth orientation and astronomical data to the U.S. Department of Defense, the Global Positioning System (GPS), various U.S. Federal agencies, and other users world-wide. The successful candidate will develop tools and algorithms for monitoring the validity and accuracy of GNSS data products produced by the International GNSS Service (IGS).Most work for this position will be completed on-site at USNO in Washington, D.C. The candidate must be able to obtain and maintain a SECRET clearance upon hiring.
Cleared Data Scientist GuidehouseCleared Data ScientistDc, District of Columbia$98,000–$163,000 / yearCompensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs. Employ strong technical skills and a business mindset to swiftly identify opportunities, requirements, and risk and generate analytical solutions for clients’ mission needs.
Senior Ai/Ml Engineer & Data Scientist GuidehouseSenior Ai/Ml Engineer & Data ScientistMclean, VANote that Guidehouse will never charge a fee or require a money transfer at any stage of the recruitment process and does not collect fees from educational institutions for participation in a recruitment event. What You Will Do: Serve as senior AI/ML engineer and leverage experience in fields like data science, remote sensing, and artificial intelligence to apply expertise to new mission challenges.
Senior AI/ML Engineer & Data Scientist GuidehouseSenior AI/ML Engineer & Data ScientistTysons Corner, VirginiaNote that Guidehouse will never charge a fee or require a money transfer at any stage of the recruitment process and does not collect fees from educational institutions for participation in a recruitment event. Serve as senior AI/ML engineer and leverage experience in fields like data science, remote sensing, and artificial intelligence to apply expertise to new mission challenges.
Data Scientist 3 Avid Technology Professionals LLCData Scientist 3MDDesired:•Elasticsearch•RegEx•Machine learning•Natural Language Processing•Regression and predictive analysis•MATLAB or R•SQL or Mongodb•Metric Database (Grafana/Graphite/InfluxDB). Required:•Background in statistical analysis•Python•Experience with building, tuning, and testing predictive models•Experience creating analytic charts and dashboards.
Senior Principal Data Scientist / AI-ML SME (Analytic Superiority) Leidos Holdings IncSenior Principal Data Scientist / AI-ML SME (Analytic Superiority)Fort Meade, MD$154,050–$278,475 / yearAutonomous Cyber Integration: Connect intelligent agents directly into security orchestration platforms (e.g., Palo Alto Cortex XSIAM/XSOAR) to trigger automated network defense actions and ingest massive, real-time PCAP and telemetry streams via Apache Kafka/Spark. Dual-Spectrum Operations: Proven capability to support both Defensive Cyber Operations (DCO) (log parsing, behavioral threat hunting, anomaly detection) and Offensive Cyber Operations (OCO) (automated vulnerability discovery, exploit generation, payload optimization).
Senior Data Scientist (Senior Software Developer; Systems Software) Avid Technology Professionals LLCSenior Data Scientist (Senior Software Developer; Systems Software)Columbia, MDExtensive experience with various database technologies including graph databases (e.g., Neo4j), SQL databases (e.g., PostgreSQL, MySQL), NoSQL databases (e.g., MongoDB, Cassandra), and vector databases. Qualifications - Degree from an accredited college or university in System Engineering or related discipline and one of the following: - 10+ years of experience with a Master's degree - 12+ years of experience with a Bachelor's degree - 16+ years of experience with Associate's Degree or HS Diploma.
Data Scientist (Senior Software Developer; Systems Software) Avid Technology Professionals LLCData Scientist (Senior Software Developer; Systems Software)Columbia, MDExposure to AWS (Amazon Web Services), Cisco (CCNA), and/or STIGs/IAVA, Big Data Platform (BDP). Bachelor's degree in relevant field and 8 years of experience; an advanced degree will be considered in lieu of years of experience.
Data Scientist, Principal (Senior Software Developer; Systems Software) Avid Technology Professionals LLCData Scientist, Principal (Senior Software Developer; Systems Software)Columbia, MDExposure to AWS (Amazon Web Services), Cisco (CCNA), and/or STIGs/IAVA, Big Data Platform (BDP). Bachelor's degree in relevant field and 8 years of experience; an advanced degree will be considered in lieu of years of experience.
Data Scientist - AI/ML (Senior Software Developer; Systems Software) Avid Technology Professionals LLCData Scientist - AI/ML (Senior Software Developer; Systems Software)Columbia, MDExposure to AWS (Amazon Web Services), Cisco (CCNA), and/or STIGs/IAVA, Big Data Platform (BDP). Bachelor's degree in relevant field and 8 years of experience; an advanced degree will be considered in lieu of years of experience.
Clinical Laboratory Scientist (3rd Shift) GuidehouseClinical Laboratory Scientist (3rd Shift)Bethesda, MarylandCompensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs. Conduct diagnostic testing on Chemistry, Hematology, and Microbiology specimens, ensuring accurate analytical processing, precise reporting, and meticulous record-keeping of all patient results.
Sea Ice Model Evaluations and Applications Scientist Lynker CorporationSea Ice Model Evaluations and Applications ScientistSuitland, MarylandFull timeThe Sea Ice Model Evaluation and Applications Scientist will evaluate guidance from systems such as the Global Forecast System (GFS), Global Ensemble Forecasting System (GEFS), Seasonal Forecast System (SFS), Real-Time Ocean Forecast System (RTOFS), and Navy forecast systems, with primary emphasis on improving the operational use of Arctic sea ice guidance for forecast Days 8–14 and exploratory application at other lead times. Our continually expanding team combines scientific expertise with mature, results-driven processes and tools to achieve technically sound, cost effective solutions in hydrology/water sciences, geospatial analysis, information technology, resource management, conservation, and management and business process improvement.
Senior Data Scientist Engineer - SFL Scientific Deloitte Touche Tohmatsu LtdSenior Data Scientist Engineer - SFL ScientificMcLean, VA$128,000–$252,500 / yearWorking with a team of interdisciplinary data scientists, engineers, architects, and consultants, our work includes novel areas such as cancer detection, drug discovery, optimizing population health and clinical trials, autonomous systems and edge AI, agentic solutions, and consumer product innovation. From strategy to execution, this team delivers integrated, end-to-end support and advisory services covering valuation modeling, cost optimization, restructuring, business design and transformation, infrastructure and real estate, mergers and acquisitions (M&A), and sustainability.