• Senior /Principal/ Senior Principal…

    Mission Support and Test Services (North Las Vegas, NV)
    …Subcritical Experiments (ECSE) program is seeking outstanding scientists at various career stages ( Senior Scientist , Principal Scientist , and Senior ... controls (timing/EPICS), solid state pulse power, alignments, targets, and operations. ** Senior Scientist (Role Expectations):** + Lead major ECSE workstreams;… more
    Mission Support and Test Services (11/27/25)
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  • Environmental Scientist Senior

    Arizona Public Service (Tonopah, AZ)
    Environmental Scientist Senior /Consultant Apply now " Date: Dec 18, 2025 Location: TONOPAH, AZ, US, 85354 Company: APS Arizona Public Service generates reliable, ... Tomorrow, Empower Each Other and Succeed Together. Summary Environmental Scientist Senior Utilizes advanced knowledge of the...to become proficient in all environmental programs such as air quality , water quality , and… more
    Arizona Public Service (12/18/25)
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  • Senior Computer Scientist

    Peraton (Herndon, VA)
    …worldwide that enable speedy and precise decision making to warfighters. Responsibilities: The Senior Computer Scientist - Quality Assurance Framework (QAF) ... data and draw meaningful conclusions. + Experienced in utilization of the Quality Assurance Framework and standards. + Experienced in advanced analytics, machine… more
    Peraton (01/07/26)
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  • Senior Staff Scientist

    Terracon (Lodi, CA)
    …**Job Description:** **General Responsibilities:** Terracon is seeking an Environmental Regulatory Compliance Senior Staff Scientist to join our team in Lodi, ... of expertise required. **Exemption:** Exempt **Requisition ID:** 34221BR **Posting Title:** Senior Staff Scientist **Employment Type:** Regular, Full Time… more
    Terracon (11/26/25)
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  • Senior Scientist

    Terracon (Providence, RI)
    …\#LI-KR1 **Exemption:** Exempt **Requisition ID:** 33461BR **Posting Title:** Senior Scientist /Massachusetts Licensed Site Professional (LSP) **Employment ... quality standards on project and proposal delivery. + Senior level scientific professional responsible for leading complex projects requiring innovative… more
    Terracon (12/23/25)
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  • Senior Environmental Scientist

    Langan Engineering, Environmental, Surveying and Landscape… (Philadelphia, PA)
    …knowledge to make impactful contributions. Job Summary Langan is seeking a Senior Staff Environmental Scientist , Geologist, Engineer or Hydrogeologist to join ... specifications; + Collect soil, soil vapor, indoor and ambient air , sediment, surface water, and groundwater samples; + Operate...or ability to obtain within one year. For environmental scientist , interest in the NJ LSRP program and potential… more
    Langan Engineering, Environmental, Surveying and Landscape Architecture, DPC (12/09/25)
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  • Senior Environmental Compliance Specialist…

    WSP USA (Buffalo, NY)
    **This Opportunity** WSP is currently initiating a search for a ** Senior Environmental Compliance Specialist / Environmental Scientist ** for our **New York City, ... according to client-approved scopes of work, and delivering high quality reports on time and within budget + Assist...short notice, including to local sites, and travel via air or land. Overnight travel is required. + Self-sufficient,… more
    WSP USA (11/26/25)
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  • Senior Environmental Scientist

    Langan Engineering, Environmental, Surveying and Landscape… (Chicago, IL)
    …and knowledge to make impactful contributions. Job Summary Langan is seeking a Senior Staff Environmental Scientist , Geologist, or Engineer to join its ... with job specifications; + Collect soil, soil vapor, indoor and ambient air , sediment, surface water, and groundwater samples; + Operate and maintain groundwater… more
    Langan Engineering, Environmental, Surveying and Landscape Architecture, DPC (01/07/26)
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  • Scientist I/II

    Mission Support and Test Services (North Las Vegas, NV)
    …premier facilities and capabilities below ground, on the ground, and in the air . (See NNSS.gov for our unique capabilities.) Our 2,750+ professional, craft, and ... for Subcritical Experiments (ECSE) program is seeking outstanding scientists at various career stages ( Scientist I and Scientist II) to work with ESCE team to… more
    Mission Support and Test Services (11/27/25)
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  • Senior Air Quality

    Stantec (Denver, CO)
    …will have 10+ years of consulting experience and a solid track record providing air quality , climate change, and energy services in the western US. This ... the environment. Your Opportunity Stantec is currently seeking a Senior Engineer/ Scientist professional to help us grow...results. Your Key Responsibilities - Provide technical direction on air quality and climate change projects including… more
    Stantec (12/03/25)
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  • Field Scientist

    Terracon (Omaha, NE)
    …Functions:** + Asbestos , Mold, Lead, and Industrial Hygiene Surveys + Indoor Air Quality Investigations + Asbestos, Mold, Lead, and Industrial Hygiene Project ... + Conduct tasks related to project monitoring, asbestos/lead inspections, indoor air quality (IAQ)/mold assessments, and/or other project assignments as… more
    Terracon (12/02/25)
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  • Staff Scientist 1

    Amentum (Houston, TX)
    …an academic environment + **At least one (1) year** of experience serving as a Senior Scientist or Team Leader of a laboratory team/project. + BSL-3 experience ... **Position Location: Houston, TX** **Amentum** is actively seeking applicants for **Staff Scientist 1** **Amentum Position Description:** The Staff Scientist 1… more
    Amentum (12/17/25)
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  • Staff Scientist

    Terracon (Des Moines, IA)
    …position will play a key role in the growth of our asbestos, lead, mold, indoor air quality , and industrial hygiene (IH) practice. In this role, you will be ... and tabulation, client communications, consulting, and performing asbestos, lead, mold, indoor air quality , noise and industrial hygiene investigations. You will… more
    Terracon (11/21/25)
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  • Environmental Scientist I-Sr

    TXNM Energy (Albuquerque, NM)
    Environmental Scientist I-Sr Location: Albuquerque, NM, United States Job ID: 6089380 Date Posted:Dec 15, 2025 **POSTING DEADLINE** This position is posted until ... Environmental Services **PREFERENCES** GIS Experience essential **JOB DESCRIPTION** **Environmental Scientist Sr.** Salary Grade: G06 Minimum Midpoint Maximum $78,537… more
    TXNM Energy (12/16/25)
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  • Environmental Scientist III

    GSI Service Group Inc. (Boulder, CO)
    …+ Great location in Central Boulder **JOB SUMMARY** GSI is seeking a mid-to- senior level Environmental Scientist to support our growing environmental team that ... is executing technical consulting work, primarily for government clients. The Environmental Scientist will be based in Boulder, CO but will support projects… more
    GSI Service Group Inc. (11/28/25)
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  • Staff Scientist

    Terracon (Port St. Lucie, FL)
    …environmental site investigations, assessments and surveys to sample, measure and analyze air , water, material, and soil. Identify, evaluate and recommend risk and ... site planning and permitting. **Essential Roles and Responsibilities:** + Staff Scientist supporting Environmental and Geotechnical sectors. + Follow safety rules,… more
    Terracon (01/06/26)
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  • Staff Geologist or Scientist

    Stantec (Ventura, CA)
    Grounded in safety, quality , and ethics, our experts lead their fields with dedication, a creative spirit, and a vision for growth. We draw from more than 20 ... environment. Your Opportunity Stantec's is currently seeking a Staff Geologist or Scientist to support our team of professionals on environmental site assessment,… more
    Stantec (12/03/25)
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  • Anatomical Pathology, Medical Laboratory…

    Geisinger (Scranton, PA)
    …and is welcomed. US Army 68K Medical Laboratory Specialist, 71E Clinical Laboratory Scientist , US Navy Medical Laboratory Technician, US Air Force Medical ... is to provide exceptional patient care through innovative, efficient, and high- quality laboratory services. Eligible candidates may qualify for a $12,500 sign-on… more
    Geisinger (11/28/25)
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  • Scientist , Sr. Mechanical Engineer - Space…

    L3Harris (Wilmington, MA)
    …always in mind, our employees deliver end-to-end technology solutions connecting the space, air , land, sea and cyber domains in the interest of national security. ... Job Title: Scientist , Sr. Mechanical Engineer - Space Optical Systems Job...Description: L3Harris is seeking a highly skilled and dynamic senior Mechanical Engineer to perform design, development and analysis… more
    L3Harris (11/06/25)
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  • Medical Laboratory Scientist or Medical…

    Geisinger (Shamokin, PA)
    …and is welcomed. US Army 68K Medical Laboratory Specialist, 71E Clinical Laboratory Scientist , US Navy Medical Laboratory Technician, US Air Force Medical ... as appropriate. + Performs and records instrument maintenance, troubleshooting, and quality control. + Replenishes reagents and supplies according to established… more
    Geisinger (11/26/25)
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