• Environmental Scientist II

    AECOM (Arlington, VA)
    …to deliver a better world. Join us. **Job Description** AECOM is seeking an Environmental Scientist II to provide support for Water and Wastewater Program ... task assignments. This position will perform detailed analyses of environmental programs, legislation, policies, regulations, and potential liabilities; provide… more
    AECOM (11/22/25)
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  • Intern Environmental Scientist

    AECOM (Arlington, VA)
    …better world. Join us. **Job Description** **AECOM** is seeking an **Intern Environmental Scientist ** for the **Arlington, Virginia** office. This internship ... ensure compliance. + Plan, execute, analyze, and report on environmental measures in natural systems. + Apply standard field...+ Candidates must be pursuing a Bachelor's degree in Environmental Science and must have completed at least **three… more
    AECOM (01/12/26)
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  • Environmental Engineer, Scientist

    Langan Engineering, Environmental, Surveying and Landscape… (Arlington, VA)
    …to make impactful contributions. Job Summary Langan is seeking an entry-level Environmental Engineer, Scientist or Geologist to join its collaborative team ... Langan provides expert land development engineering and environmental consulting services for major developers, renewable energy producers, energy companies,… more
    Langan Engineering, Environmental, Surveying and Landscape Architecture, DPC (01/08/26)
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  • Environmental Engineer/ Scientist

    SC&A Inc (Arlington, VA)
    SC&A is seeking an experienced Environmental Engineer/ Scientist with knowledge of the Resource Conservation and Recovery Act (RCRA) and experience in managing ... years of experience. The ideal candidate should have an MS in Civil or Environmental Engineering and have a PE The proposed candidate should have a demonstrated… more
    SC&A Inc (11/06/25)
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  • Environmental Engineer/Physical…

    Naval Facilities Engineering Command (Washington Navy Yard, DC)
    Summary You will serve as an ENVIRONMENTAL ENGINEER/PHYSICAL SCIENTIST in the Environmental Divsion of NAVAL FAC ENGINEERING CMD WASH. Responsibilities You ... will provide liaison and coordination efforts between NDW installation environmental staff and various organizational components within NAVFAC. You will provide… more
    Naval Facilities Engineering Command (01/13/26)
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  • Sediment Remediation Specialist (Engineer,…

    CDM Smith (Bowie, MD)
    **43495BR** **Requisition ID:** 43495BR **Business Unit:** TSU **Job Description:** CDM Smith's Environmental Services Group is seeking an Engineer, Scientist or ... the client. \#LI-AE1 **Job Title:** Sediment Remediation Specialist (Engineer, Scientist or Geologist) **Group:** ESO **Employment Type:** Regular **Minimum… more
    CDM Smith (01/06/26)
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  • Subsurface Energy Sr. Scientist

    Pacific Northwest National Laboratory (Washington, DC)
    …PNNL's Environmental Subsurface Science Group is seeking a mid-level scientist or engineer with broad experience in geophysics, reservoir modeling, geologic ... Computational Sciences, and Energy and Environment. In addition, we have an Environmental Molecular Sciences Laboratory, a Department of Energy, Office of Science… more
    Pacific Northwest National Laboratory (10/23/25)
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  • Senior Program Analyst/ Scientist

    Applied Research Associates, Inc. (Alexandria, VA)
    …Associates, Inc. (ARA) is seeking to contingently hire a **Senior Program Analyst/ Scientist ** for ARA's effort supporting the Office of the Assistant Secretary of ... technologies, civil technologies, computer software and simulation, systems analysis, environmental technologies, and testing and measurement. The corporation also… more
    Applied Research Associates, Inc. (11/22/25)
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  • Human Subjects Protection Scientist

    Alaka'ina Foundation Family of Companies (Silver Spring, MD)
    Human Subjects Protection Scientist Location MD - Silver Spring Job Code 12991 # of openings 1 Apply Now ... Family of Companies (FOC) is looking for a Human Subjects Protection Scientist to support our government customer in Silver Spring, Maryland. DESCRIPTION OF… more
    Alaka'ina Foundation Family of Companies (11/20/25)
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  • Journeyman Innovation Applied Scientist

    Noblis (Washington, DC)
    …in the areas of national security, intelligence, transportation, healthcare, environmental sustainability, and enterprise engineering. Learn more at Noblis -About ... protected by law. Noblis is positioned to provide a Journeyman Innovation Applied Scientist to decision makers in the Countering Weapons of Mass Destruction (CWMD)… more
    Noblis (01/13/26)
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  • Mechanical Engineer/Material Scientist

    Precise Systems, Inc. (Washington, DC)
    …service and the Precise solution. Precise Systems seeks a Mechanical Engineer/Material Scientist with expertise in Fracture Mechanics and Fatigue Analysis to serve ... marine corrosion, marine engineering, materials, electrochemistry, coatings, biofouling remediation and environmental effects. + Work as a project leader in specific… more
    Precise Systems, Inc. (12/17/25)
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  • Data Engineer/ Scientist

    Parsons Corporation (Washington, DC)
    …what's possible. **Job Description:** Parsons is looking for an amazingly talented **Data Scientist /Engineer** to join our team! In this role you will get to design ... and solutions in the areas of defense, security, intelligence, infrastructure, and environmental . We promote a culture of excellence and close-knit teams that take… more
    Parsons Corporation (11/19/25)
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  • Transportation Data Scientist

    Leidos (Mclean, VA)
    …lab focused on the improvement of transportation operations, safety, mobility, and environmental impacts. STOL provides a variety of services to support the ... the last five years.** Leidos is seeking a highly skilled **Transportation Data Scientist ** to support FHWA-funded projects at the intersection of AI, data science,… more
    Leidos (01/07/26)
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  • Scientist III - Microbiologist, EM Focus,…

    Parexel (Washington, DC)
    We are looking to fill a microbiologist position ( environmental monitoring focus) working as a full-time employee of Parexel FSP on long-term assignment onsite at ... working in a GMP Pharmaceutical environment with specific experience environmental monitoring + Proven technical writing skills (SOPs, protocols)… more
    Parexel (01/02/26)
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  • Sediment Remediation Practice Lead…

    Burns & McDonnell (Arlington, VA)
    **Description** Burns & McDonnell is seeking an Associate/Principal Engineer, Hydrogeologist, Scientist in a related field to join our successful team of remediation ... professionals in our Environmental Services Group. The successful candidate will be responsible for leading projects and pursuits in the Sediments market and lead of… more
    Burns & McDonnell (10/22/25)
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  • Field Service Engineer (MS) - MD

    ThermoFisher Scientific (Washington, DC)
    **Work Schedule** Standard (Mon-Fri) ** Environmental Conditions** Able to lift 40 lbs. without assistance, Adherence to all Good Manufacturing Practices (GMP) Safety ... Preferred hands-on experience as a field service engineer or scientist /chemist in a lab setting supporting Chromatography (https://www.thermofisher.com/us/en/home/industrial/chromatography.html) (liquid/gas/ion)… more
    ThermoFisher Scientific (12/10/25)
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  • Various Positions

    Alaka'ina Foundation Family of Companies (Washington, DC)
    …and SME) + IT Systems Engineer (Senior and SME) + Data Analyst + Data Scientist + Executive Assistant (Senior) + Admin Assistant (Senior) + Web Designer + Program ... educational programs that combine leadership, science & technology, and environmental stewardship. For additional information, please visit www.alakainafoundation.com #LI-JS1… more
    Alaka'ina Foundation Family of Companies (11/08/25)
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