Data Scientist Rapid Cycle Solutions, LLCData ScientistMcLean, VirginiaRCS considers several factors which can influence a final salary including but not limited to; skill set relevancy, work experience, geographic location, security clearance, education, certifications, training, and other business and organizational requirements. RCS is seeking a Data Scientist (Data Modeler) to apply and enhance their skills with developing, running, and analyzing results of complex queries against massive scale data stores.
Senior Biologist Or Scientist LanganSenior Biologist Or ScientistArlington, VAAssist with plant and wildlife surveys for habitat assessments, special-status species, and other project requirements; Assist with wetland delineations, jurisdictional determinations, and other aquatic resource surveys using current agency protocols, regionally specific methods, restoration monitoring for ongoing projects and other guidance; Provide biological monitoring and oversight for construction projects, restoration implementation, and restoration maintenance; Research regionally-sensitive natural resources, survey requirements, and reporting needs; Assist with development of environmental permitting packages using data collected in the field by Langan or subcontractors; Prepare reports documenting field investigations and analytical results; Perform stormwater monitoring and reporting; and. Bachelor's degree in biology, wildlife, botany, ecology, environmental science or a closely related field; 3+ years of biological work experience; field experience is a plus; Familiarity with environmental regulations including NEPA and ESA; Experience with federal and state protected species; Experience using GPS units in the field with use of ArcPad, Collector, Survey123 a plus; Experience with local sensitive species is highly desirable; Excellent written and verbal communication skills; Strong attention to detail with excellent analytical, multitasking, and judgment capabilities; Ability to effectively work independently and in a team environment; and.
Data Scientist BytoaData ScientistColumbia, MarylandYou will join a collaborative team building an entirely new graph analysis platform that, for the first time, will allow our mission customers to visualize, analyze, and traverse their expansive and complex mission data in graph format and in near-real-time. Your responsibilities will center around enhancing our graph data capabilities—designing, modeling, and optimizing complex graph structures and crafting performant database queries.
Mid-level Geologist, Engineer, or Environmental Scientist Plexus Scientific CorporationMid-level Geologist, Engineer, or Environmental ScientistAlexandria, VA$75,000–$95,000 / yearFull timeField activities may include supervising and conducting environmental field investigations (soil, groundwater, surface water, etc.), performing long term monitoring, documenting field conditions, supporting remediation activities through sampling activities, working with Mid and Sr. Office activities may include preparing for and coordinating field events, management of field and laboratory data, development of graphics depicting site investigation activities, developing pricing for future work, developing period and unique reports, studies, and plans.
Research Scientist ATR, LLCResearch ScientistArlington, VirginiaFull timeExpert knowledge and experience in one or more of the following areas are desired: photonic and organic nonlinear materials and devices, coupled oscillatory states, quantum-inspired devices, synthetic biology, as well as suitable interfaces between such technologies and conventional electronic transport methods. Knowledge and experience in one or more of the following areas: photonic and organic nonlinear materials and devices, coupled oscillatory states, quantum-inspired devices, synthetic biology, as well as suitable interfaces between such technologies and conventional electronic transport methods.
Optical Materials Scientist ATR, LLCOptical Materials ScientistArlington, VirginiaFull timeKnowledge and experience in one or more of the following areas: photonic crystal surface emitting lasers (PCSELs), including design, fabrication and testing; photonic integrated circuits; metamaterials used for the manipulation of light; semiconductor thin film deposition and microfabrication techniques; materials characterization and metrology; optical and electrical characterization of devices and circuits. - Program administration, including development of technical analyses, identification of technology gaps, technical risk management, project cost estimation, technology transfer efforts, as well as supporting technical reviews.
Senior Data Scientist (Fraud Detection And Investigative Analytics) Node.DigitalSenior Data Scientist (Fraud Detection And Investigative Analytics)Washington, DCPerform data quality analysis on source tables to identify abnormalities and inconsistencies, and develop repeatable processes for combining and analyzing large relational, structured, and unstructured sources. Build and refine both supervised and unsupervised models, including regression, Bayesian, clustering, and ensemble approaches, and tune candidate models to determine best fit.
Senior Data Scientist (Fraud Detection and Investigative Analytics) Node.DigitalSenior Data Scientist (Fraud Detection and Investigative Analytics)Washington, DCRemotePerform data quality analysis on source tables to identify abnormalities and inconsistencies, and develop repeatable processes for combining and analyzing large relational, structured, and unstructured sources. Build and refine both supervised and unsupervised models, including regression, Bayesian, clustering, and ensemble approaches, and tune candidate models to determine best fit.
Medical Laboratory Scientist Blood Bank GuidehouseMedical Laboratory Scientist Blood BankBethesda, MD$98,000–$163,000 / yearPerform pre-analytical, analytical, and post-analytical laboratory testing using automated and manual methods in compliance with regulatory and accrediting agency requirements, including ABO/Rh typing, direct antiglobulin testing, antibody screening and identification, red blood cell (RBC) phenotyping, elutions, crossmatches, and isohemagglutinin titers. Prepare blood components from whole blood collections, including frozen plasma, leukocyte-reduced red blood cells, buffy coat, and pathogen-reduced platelets.
Scientist, Genetic Toxicology InotivScientist, Genetic ToxicologyRockville, MD$80,100–$105,500 / yearPlease note that hourly rates/salaries vary within the range based on factors including, but not limited to, prior relevant experience, skills, education, certification, location as well as internal equity and market data. Reviews and recommends potential assay developments to upper management, and participates in initiatives and/or projects to drive improvement in quality and/or client service.
Senior Data Scientist CACI International Inc.Senior Data ScientistSpringfield, VA$82,100–$172,400 / yearPay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
Clinical Laboratory Scientist GuidehouseClinical Laboratory ScientistBethesda, 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. We are seeking a Clinical Laboratory Scientist to provide independent laboratory support for the National Institutes of Health Clinical Center, Department of Transfusion Medicine, Infectious Diseases Section.
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.
Cryptologic Computer Scientist-2 LeidosCryptologic Computer Scientist-2Odenton, MarylandDesirable Skills : Relevant experience in computer systems research; simulation/model development and prototyping; software design; programming; computational science; algorithm analysis and design; reverse engineering; and/or designing/developing computer or information systems, including engineering hardware and/or software. Technical Proficiency : Develop solutions for problem sets such as forensics and attack attribution, protection of critical networks, active systems warnings and indicators, active penetration into target systems, knowledge discovery of passive and active systems, or other cryptologic computer science mission support.
Sr. Scientist SME - Photonics Systems Planning and AnalysisSr. Scientist SME - PhotonicsArlington, Virginia$200,000–$250,000 / yearFull timeOur team of experienced military, technical, and operations research analysts is skilled in evaluating military problems, identifying the driving factors, devising innovative approaches, collecting applicable data, developing necessary software tools, and performing thorough and timely assessments to inform technology and acquisition governance decisions to ensure U.S. military forces retain military superiority in the future. Responsibilities: We are seeking senior technical personnel to provide support for the successful execution of existing and new programs, and related technologies in the following areas: optics, photonics, physics, materials, artificial intelligence/machine learning (AI/ML), mathematics, engineering, quantum, chemistry, biology, and/or other scientific disciplines and related efforts.
Senior Scientist - Quantum Systems Planning and AnalysisSenior Scientist - QuantumArlington, Virginia$180,000–$230,000 / yearFull timeOur team of experienced military, technical, and operations research analysts is skilled in evaluating military problems, identifying the driving factors, devising innovative approaches, collecting applicable data, developing necessary software tools, and performing thorough and timely assessments to inform technology and acquisition governance decisions to ensure U.S. military forces retain military superiority in the future. Responsibilities: SPA is searching for senior technical personnel to provide support for the successful execution of existing and new programs and related technologies in the following areas: optics, photonics, physics, materials, artificial intelligence/machine learning (AI/ML), mathematics engineering, quantum, chemistry, biology, and/or other scientific disciplines and related efforts.
Wetland Scientist (PWS) VerdantasWetland Scientist (PWS)WashingtonPrepare and review high-quality technical documents such as wetland delineation reports, critical area reports, jurisdictional determinations, mitigation plans, HPA, and Section 404/401 permit applications. Our commitment to excellence, across more than 90 offices, is championed by a team of over 2,000 experts, scientists, engineers, geologists, and technical specialists, embedded in a people-focused culture, prioritizing the well-being of our employees, clients, and the communities we serve.
Scientist/Associate (Ph.D.) Exponent Inc.Scientist/Associate (Ph.D.)Bowie, Maryland$140,000–$162,000 / yearFull timeThe successful candidate will possess extensive practical knowledge of the physical, chemical, and mechanical behavior of macromolecules and will be highly skilled in a range of analytical and experimental techniques including rheology, mechanical testing, microscopy, fractography, HPLC, GC, FTIR, DSC, TGA, and DMA. For over five decades, we've connected the lessons of past failures with tomorrow's solutions to advise clients as they innovate technologically complex products and processes, ensure the safety and health of their users, and address the challenges of sustainability.
Cryptologic Computer Scientist LeidosCryptologic Computer ScientistOdenton, MarylandJune 4, 2026 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. Additional 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.
Associate Scientist, Bioanalytical Lab Meso Scale DiscoveryAssociate Scientist, Bioanalytical LabGaithersburg, MD$78,100–$116,200 / yearWORK ENVIRONMENT: Laboratory environment working with chemical reagents and Biosafety Level 2 materials including human blood/blood products and other potentially infectious human samples. This salary range represents a general guideline as MSD considers other factors when presenting an offer of employment, such as scope and responsibilities of the position, external market factors, and the candidate's knowledge, skills, abilities, education and experience.