Senior Biologist or Scientist Langan Engineering & Environmental Services IncSenior 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; Perform other duties as requested. 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; Possess reliable transportation for client meetings and job site visits and a valid driver's license in good standing.
Biologist ATCCBiologistManassas, Virginia$65,000–$75,000 / yearThis role provides the opportunity to apply core biology skills in a structured, regulated biomanufacturing environment, contributing to the production, characterization, and testing of valuable biological materials while supporting quality assurance and product integrity. Team Collaboration: Partners with cross-functional teams to meet production targets, resolve routine issues, and support continuous improvement initiatives.
Endangered Species Act Consulting Wildlife Biologist National Experienced Workforce SolutionsEndangered Species Act Consulting Wildlife BiologistWashington, District of ColumbiaWork with Forest Service leadership and Regulatory Agencies to address concerns related to failure to consult on legacy forest plans 5%. Provide feedback, both written and formal, relative to the strengths and weaknesses of these documents relative to terrestrial species that are protected under ESA.
Chemical Biologist GuidehouseChemical BiologistBethesda, MarylandD. in Chemistry, Biochemistry, or related field with a minimum of TWO (2) years of laboratory research experience OR Master's degree in Chemistry, Biochemistry, or related field with a minimum of FOUR (4) years of laboratory research in lieu of Ph. Compensation 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.
Small Animal Biologist GuidehouseSmall Animal BiologistBethesda, MarylandWe are looking for an Animal Biologist (Small Animal) to provide support in laboratory management and research, with a focus on supporting animal-based studies and maintaining efficient laboratory operations. Compensation 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.
Molecular Biologist GuidehouseMolecular BiologistBethesda, MarylandIndependently perform Molecular tests on clinical specimens using techniques such as Next Generation Sequencing (NGS), cell separation from blood and bone marrow, DNA/RNA isolation, conventional PCR/RT PCR/Nexted PCR, capillary electrophoresis. Use a wide variety of bioinformatics approaches and NGS data analysis software, statistical methods and computer programs to collect, organize, and analyze data for optimal retrieval and presentation of results in a clear, concise manner.
Lead Biologist American Type Culture CollectionLead BiologistManassas, VA$95,000–$110,000 / yearThe Lead Biologist is responsible for conducting complex experiments in the study of biological materials and processes, taking a lead role in coordinating testing and studies that advance product development and research, collecting and reporting data and findings, and determining methods for monitoring laboratory supplies, equipment, and cleanliness. The ideal candidate for this role will have experience in molecular biology QC testing, strong understanding of quality principles (CAPA, nonconformances, data integrity, creating and revising SOPs and WI), and strong mentorship capabilities.
Molecular Biologist Guidehouse IncMolecular BiologistBethesda, MD$85,000–$141,000 / yearIndependently perform Molecular tests on clinical specimens using techniques such as Next Generation Sequencing (NGS), cell separation from blood and bone marrow, DNA/RNA isolation, conventional PCR/RT PCR/Nexted PCR, capillary electrophoresis. Use a wide variety of bioinformatics approaches and NGS data analysis software, statistical methods and computer programs to collect, organize, and analyze data for optimal retrieval and presentation of results in a clear, concise manner.
Biologist American Type Culture CollectionBiologistManassas, VA$65,000–$75,000 / yearThis role provides the opportunity to apply core biology skills in a structured, regulated biomanufacturing environment, contributing to the production, characterization, and testing of valuable biological materials while supporting quality assurance and product integrity. Team Collaboration: Partners with cross-functional teams to meet production targets, resolve routine issues, and support continuous improvement initiatives.
Chemical Biologist Guidehouse IncChemical BiologistBethesda, MD$98,000–$163,000 / yearD. in Chemistry, Biochemistry, or related field with a minimum of TWO (2) years of laboratory research experience OR Master's degree in Chemistry, Biochemistry, or related field with a minimum of FOUR (4) years of laboratory research in lieu of Ph. Compensation 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.
Biologist (Cell Manufacturing) US Department of Health and Human ServicesBiologist (Cell Manufacturing)Montgomery County, MD$85,447–$111,087 / yearThis position is designated as an "emergency essential" position and the selected candidate will be considered an "emergency essential" employee and will be required to be available, ready, willing, and able to report for duty under all circumstances (e.g., inclement weather, government closings and holidays, lapses in appropriations, non-emergency and emergency situations) for operation 24 hours a day and 365 days per year coverage. You must demonstrate in your resume at least one (1) year of qualifying experience equivalent to at least the GS-09 level in the Federal service obtained in either the private or public sector, performing the following types of tasks: manufacturing complex cell and gene therapies, identifying and communicating problems with sample testing, analyzing and interpreting data from preclinical manufacturing experiments.
Biologist (50394) Gap Solutions, Inc.Biologist (50394)Gaithersburg, MDPerform investigations and documentation of cell line growth, optimization of cell culture/fermentation conditions, cell culture technology development, improvement of cell culture platforms, modeling of cell culture behavior, troubleshooting of cell culture/fermentation processes, and tech transfer of defined cell culture/fermentation processes to the clinical production facility. Position Objective: Provide services as a Biologist in support of the overall functions of the Vaccine Production Program in the Vaccine Research Center within the National Institute of Allergy and Infectious Diseases (NIAID).
Single Cell Biologist (50863) Gap Solutions, Inc.Single Cell Biologist (50863)Bethesda, MDPosition Objective: The Single Cell Biologist supports research at the Center for Alzheimer's and Related Dementias by processing human tissue and cell lines, preparing sequencing libraries and analyzing data. Interpret research or operational data 3. Record research or operational data 2. Clean Equipment, Run Validation, Insect Equipment, Meet with lab members to present updates.
Biologist Guidehouse IncBiologistRockville, MD$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. The role involves assisting with laboratory experiments, collecting and analyzing biological data, maintaining laboratory equipment and records, and supporting research activities.
Biologist (50849) Gap Solutions, Inc.Biologist (50849)Gaithersburg, MDCoordinate with project management to ensure development milestones and study deliverables are met in a timely manner Work with VPP Data Science and Automation (DSA) group to create platform data analysis/visualization packages using Tableau or equivalent software Support mRNA-Lipid Nanoparticle (LNP) program by designing and executing process development studies for mRNA-lipid nanoparticle encapsulation Serve as SME with operation and optimization of microfluidic systems, e.g. Precision NanoSystem, Inc Ignite and Blaze, and/or Knauer NanoScaler Impingement Jet Mixers Perform scale down and scale-up operations to support tech transfer to manufacturing and/or troubleshooting Basic Qualifications: Bachelor's degree in Bioengineering, Chemical Engineering, Biochemistry, or a related discipline.
General Biologist U.S. Department of AgricultureGeneral BiologistWashington, DC$143,913–$187,093 / yearFor this position, the specialized experience is experience conducting pesticide ecological and/or human health exposure and risk assessments and/or performing environmental modeling for pesticides; experience leading analyses of risk assessment issues relevant to pest management and pesticides; and experience identifying regulatory alternatives and evaluating risk mitigation options for pesticides. Surplus or displaced employees eligible for CTAP, RPL, priority must provide: proof of eligibility (RIF separation notice, notice of proposed removal for declining a transfer of function or directed reassignment to another commuting area, notice of disability annuity termination), SF-50 documenting separation (as applicable), current performance appraisal with rating of at least "Fully Successful" or equivalent, and your most recent SF-50 noting position, grade level, and duty location with your application per 5 CFR 330.
On-Call Senior Bat Biologist ICF International IncOn-Call Senior Bat BiologistReston, VA$67,355–$138,549 / yearThere are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. Bachelors Degree in Biology, Ecology, Environmental Science or related discipline with 5+ years professional experience in the field completing species surveys OR High school Diploma with 9+ years professional experience in the field completing species surveys.
Supervisor Biologist - Curator of Herpetology Association of Zoos and AquariumsSupervisor Biologist - Curator of HerpetologyDC$102,415–$133,142 / yearAZA-accredited zoos and aquariums, Related Facilities, Commercial Members, Conservation Partners and Society Partners may post free unlimited online job listings as a member benefit. NZCBI is seeking a Supervisory Biologist (Curator of Herpetology) to lead the management, care, and strategic direction of animal collections.
NewAnimal Biologist Small Animal 22nd Century Technologies, Inc.Animal Biologist Small AnimalBethesda, MDDetail-oriented record-keeping and data management - Strong verbal and written communication skills - Operation of fluorescent or confocal microscopes - Tissue sectioning (cryostat), histological staining and immunofluorescence/immunohistochemistry - Primary tissue culture using sterile techniques - Coordinate mouse genotyping (via Transnetyx) and maintain animal records - Comprehensive mouse colony management and breeding - Coordinate procurement and track laboratory orders - Maintain detailed electronic and physical lab inventories - Manage chemical and biological waste per safety protocols. Conduct animal behavioral testing, including T-maze, step down, conditioned place preference/aversion, oral, inhalation and intravenous drug self-administration, forced-swim test, hot-plate, tail-flick, von Frey, locomotion, elevated plus maze, open-field, Client object recognition, ultrasonic vocalization recording and startle reflex.
Lead Biologist ATCCLead BiologistManassas, Virginia$95,000–$110,000 / yearThe Lead Biologist is responsible for conducting complex experiments in the study of biological materials and processes, taking a lead role in coordinating testing and studies that advance product development and research, collecting and reporting data and findings, and determining methods for monitoring laboratory supplies, equipment, and cleanliness. The ideal candidate for this role will have experience in molecular biology QC testing, strong understanding of quality principles (Quality Management System QMS, CAPA, nonconformances, data integrity, creating and revising SOPs and WI), and strong mentorship capabilities.
On-Call Senior Bat Biologist ICFOn-Call Senior Bat BiologistReston, VirginiaPay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. Bachelor's Degree in Biology, Ecology, Environmental Science or related discipline with 5+ years professional experience in the field completing species surveys OR High school Diploma with 9+ years professional experience in the field completing species surveys.
Animal Biologist Small Animal AxleAnimal Biologist Small AnimalBethesda, MD$90,000–$100,000 / yearWork products and documents related to processing human tissue samples for distribution to and collection from outside labs; send out samples for analysis; receive samples from outside labs; re-integrate samples back into BEB database and archive. Work products and documents related to conducting studies to extract DNA from endocrine-related mood disorder bloods; maintain DNA sample database; maintain inventory and archive of human tissue samples for BEB.
SPARC Associate Biologist Intern American Type Culture CollectionSPARC Associate Biologist InternGermantown, MDThe SPARC program offers five distinct, hands-on research projects this year across ATCC's core scientific disciplines, allowing candidates to apply once and be considered for all opportunities in multiple departments including: Cryobiology. Project Participation: Contribute to assigned SPARC projects by supporting data collection, analysis, and process-related tasks under guidance from technical staff.
Computer Scientist (51337) Gap Solutions, Inc.Computer Scientist (51337)Rockville, MDDesign, build and maintain a robust and flexible informatics infrastructure to support datacollection from automated high through-put screens 2. Work with biologists and chemists to analyze data from assays and screens 4. Coordinate data storage and mining with NCBI and the informatics groups of other screening centers. Design, develop and modify existing software to help solve scientific computing problems which involve graphics, prototype database development, genomic data analysis, modeling and simulation, and data display and presentation.
Tenure-Track Assistant Professor of Biology - Fall 2026 Catholic University of AmericaTenure-Track Assistant Professor of Biology - Fall 2026Washington, DCApplication: Applications should include: A curriculum vitae A one- to two-page statement of research interests A one-page statement of teaching interests and philosophy A one- to two-page personal statement indicating how your teaching, service and research will make a distinctive contribution to our Universitys mission and to the vision of Catholic education outlined in the Apostolic Constitution on Catholic Universities Ex Corde Ecclesiae. Tenure-track Assistant Professor of Biology School of Arts and Sciences, Department of Biology The Department of Biology at The Catholic University of America seeks to fill a Tenure-Track Assistant Professor position in Biology, to begin Fall of 2026.