NewScientist 1 Pace Analytical ServicesScientist 1Hempfield, PA$16 / hourAbility to work effectively in a laboratory environment, including standing for extended periods, working around strong odors, and wearing required PPE (lab coat, safety glasses, gloves—all provided by Pace®). See Pace Analytical Privacy Policy at https://www.pacelabs.com/privacy-policy/ and SonicJobs Privacy Policy at https://www.sonicjobs.com/us/privacy-policy and Terms of Use at https://www.sonicjobs.com/us/terms-conditions.
Research Engineer LeidosResearch EngineerPittsburgh, PA$75,000–$80,000 / yearIn this role, you will engage with world-class researchers and engineers integrating expertise in reservoir engineering, subsurface geochemistry, fluid characterization, geomechanics, and advanced diagnostic imaging, including leading DOE scientists and external partners to advance fossil energy technology through scientific and technological innovation that addresses the optimization of oil recovery mechanisms. Assist with the design and conduct of laboratory tests aimed at enhancing oil and gas recovery from unconventional reservoirs by simulating subsurface conditions, quantifying oil and gas recovery rates and determining dominant recovery mechanisms under various injection scenarios.
High School Science Teacher - 9th-12th Grade - 2026/2027 School Year Mastery Charter SchoolsHigh School Science Teacher - 9th-12th Grade - 2026/2027 School YearPhiladelphia, PA$60,900–$112,700 / yearFull timePhysical Requirements: Ability to physically perform the essential duties of the role, and to work in the environmental conditions required, such as: traveling to network campuses; maneuvering in office spaces (including standing, walking, sitting for long periods of time, speaking loudly and clearly, seeing and hearing things both near and far away); stooping, kneeling, reaching file cabinets/shelves; fine finger and hand manipulation in use of computer, chalkboard, dry erase, &/or projectors; filing, faxing, scanning, coping, typing, mailing, and making phone calls; sitting for up to two (2) hours looking at a computer monitor, using a keyboard/mouse, and typing. In joining Mastery as a Science teacher, you will have the opportunity to empower students to become active participants in their own learning, fostering deep understanding, critical thinking, and a lifelong passion for scientific exploration.
Middle School Science Teacher - 6th-8th Grade - 2026/2027 School Year Mastery Charter SchoolsMiddle School Science Teacher - 6th-8th Grade - 2026/2027 School YearPhiladelphia, PA$60,900–$112,700 / yearFull timePhysical Requirements: Ability to physically perform the essential duties of the role, and to work in the environmental conditions required, such as: traveling to network campuses; maneuvering in office spaces (including standing, walking, sitting for long periods of time, speaking loudly and clearly, seeing and hearing things both near and far away); stooping, kneeling, reaching file cabinets/shelves; fine finger and hand manipulation in use of computer, chalkboard, dry erase, &/or projectors; filing, faxing, scanning, coping, typing, mailing, and making phone calls; sitting for up to two (2) hours looking at a computer monitor, using a keyboard/mouse, and typing. In joining Mastery as a Science teacher, you will have the opportunity to empower students to become active participants in their own learning, fostering deep understanding, critical thinking, and a lifelong passion for scientific exploration.
Senior Research Engineer LeidosSenior Research EngineerPittsburgh, PA$120,000–$130,000 / yearIn this role, you will engage with world-class researchers and engineers integrating expertise in reservoir engineering, subsurface geochemistry, fluid characterization, geomechanics, and advanced diagnostic imaging, including leading DOE scientists and external partners to advance fossil energy technology through scientific and technological innovation that addresses the optimization of oil recovery mechanisms. Leidos is seeking an exceptional and motivated Senior Research Engineer interested in pursuing their passion by working side-by-side with world experts as a research scientist at the U.S. Department of Energy’s (DOE) National Energy Technology Laboratory’s (NETL) Pittsburgh, PA site.
Senior Staff Environmental Engineer, Scientist or Geologist - Environmental Langan Engineering & Environmental ServicesSenior Staff Environmental Engineer, Scientist or Geologist - EnvironmentalPhiladelphia, PennsylvaniaFor environmental scientist, interest in the NJ LSRP program and potential future licensure; Experience conducting Phase I and II environmental site assessment including drilling observation, sampling, well installation, construction/remediation oversight; Experience performing small and large scale groundwater treatment system design, operation and maintenance, and optimization; Experience providing litigation support services for expert witness projects, or similar; In-depth knowledge and understanding of state and federal environmental regulations (including CERCLA and RCRA); Specific experience highly preferred for NJDEP and the LSRP program, and/or PADEP Act 2; Experience working with state regulatory agencies; 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; Availability to work overtime as needed; and. Bachelor’s degree in Environmental Science, Environmental Engineering, Geology or Hydrogeology; 4+ years of related experience in contaminated sites investigation, engineering feasibility studies, remedial and mitigation system design and construction oversight; For engineers and geologist, possession of a valid Professional licensure or ability to obtain within one year.
Chemist - Environmental Scientist Tetra Tech IncChemist - Environmental ScientistPittsburgh, PAAssist the validation manager and project managers on all aspects of environmental chemistry needed to support an environmental investigation (including data validation, analytical database tracking and support, data interpretation, laboratory and field analytical methods evaluation and selection, preparation of quality assurance project plans [data quality objectives], and data quality assessment). With 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition.
Chemist - Environmental Scientist (part time) Tetra Tech IncChemist - Environmental Scientist (part time)Pittsburgh, PAAssist the validation manager and project managers on all aspects of environmental chemistry needed to support an environmental investigation (including data validation, analytical database tracking and support, data interpretation, laboratory and field analytical methods evaluation and selection, preparation of quality assurance project plans [data quality objectives], and data quality assessment). With 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition.
Project Environmental Scientist, Geologist, Engineer or Hydrogeologist Langan Engineering & Environmental Services IncProject Environmental Scientist, Geologist, Engineer or HydrogeologistWarrington, PAManage environmental investigation and remediation projects; Perform complex analyses for specific portions of broader engineering and environmental projects; Supervise field activities and ensure correct interpretations of findings; Manage and deliver on multiple projects and tasks within specific budgets, schedules, and deadlines; Effectively organize, write and edit draft proposals, reports and other documents; Participate in the identification and pursuit of new clients, develop additional work within an existing projects and attend business development meetings with new and existing clients; Provide direct oversight and management of junior staff for specific project assignments. Hazwoper re-certification; Comprehensive understanding of regulatory requirements; Excellent public speaking, written, and verbal communication skills; Strong attention to detail with excellent analytical and judgment capabilities; Ability to effectively work independently and in a team environment; Ability to multi-task effectively, manage multiple projects and clients, develop and manage project budgets, and effectively manage and coach staff; Ability to work evenings and/or weekends as projects require; and.
Senior Environmental Scientist/Ecologist Kleinfelder IncSenior Environmental Scientist/EcologistSewickley, PennsylvaniaFull timeThe successful candidate will lead field teams in wetland delineations, prepare technical reports, prepare permitting applications to federal, state, and local entities, manage the environmental task in project schedules, and coordinate with internal and external groups to complete project tasks and goals. From environmental planning, permitting, remediation, and site characterization to chemical data management and hydrogeology, Kleinfelder offers a variety of services designed to provide technically appropriate and cost-effective solutions. .
Junior to Mid-Level Geologist/Environmental Scientist Tetra Tech IncJunior to Mid-Level Geologist/Environmental ScientistPittsburgh, PAPhysical Requirements: This position may require strenuous fieldwork under varying site and weather conditions, including standing, crouching, sitting, lifting equipment and sample coolers weighing 1 to 50 pounds, moving soil with shovels or hand augers, and potential exposure to natural and chemical hazards. Duties will include performing routine, well-defined field and office assignments (technical and non-technical) including planning, conducting, and reporting on field investigations involving well installations, soil and groundwater sampling, aquifer testing, and hydrogeology.
Staff Environmental Scientist - Natural Resources Langan Engineering & Environmental ServicesStaff Environmental Scientist - Natural ResourcesBethlehem, PennsylvaniaBachelor's degree in Environmental Science, Ecology, Biology, Botany, or related discipline required; Minimum 3.0 GPA required; Ideally will possess relevant internship or work experience; Familiarity with current local, state, and federal land use permitting; Understanding and application of GIS software and regulatory permitting processes; 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; Willingness and ability to work in the field up to 20% of the time; Occasional travel to project sites and/or client locations, as required; Possess reliable transportation for client meetings and job site visits and a valid driver’s license in good standing; and. Assists with the natural resource planning, assessment and permitting of land development and infrastructure projects; Performs natural resource and permitting compliance assessments, and determines the feasibility of projects based on the analysis of collected natural resource related data; Prepares natural resource assessments and figures using GIS and AutoCAD software; Effectively uses reports, maps, drawings, engineering plans, tests, and aerial photographs to assess natural resources and their impact on the planning and design of projects; Provides field inspection and natural resource identification services, as needed; and.
Environmental Scientist - Natural Resources Langan Engineering & Environmental Services IncEnvironmental Scientist - Natural ResourcesBethlehem, PABachelor's degree in Environmental Science, Ecology or related discipline; 1+ years of experience in wetlands delineation and natural resource permitting; Professional Wetland Scientist in Training preferred; Demonstrated experience in performing wetland delineations, environmental studies in the support of an/or preparing applications; Familiarity with current local, New York State, local and federal land use permitting; OSHA 40-hour training; Excellent analytical and judgement capabilities; 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; Strong GIS skills preferred; experience with AutoCAD skills a plus; Ability to occasionally participate in field work and work during evenings and/or weekends, as needed by project schedule; Occasional travel to project sites and/or client locations, as required; and. Prepare the natural resource planning, assessment and permitting documents for land development and infrastructure projects in close collaboration with Project Personnel; Effectively use reports, maps, drawings, engineering plans, tests, and aerial photographs to assess the natural resource characteristics of project sites for natural resource assessment and permitting due diligence to plan and design projects; Perform natural resource feasibility assessments for development projects; Write and/or review draft due diligence reports, assessment and permit applications; Prepare site assessments and related natural resource figures using GIS and AutoCAD software; Coordinate and perform field inspection services, as needed; and.
Environmental Scientist Penn Environmental & RemediationEnvironmental ScientistPittsburgh, PennsylvaniaVarious tasks include supporting the siting and permitting of renewable, utility, energy, and infrastructure projects, including pipelines and related facilities, transmission lines, substations, and renewable energy projects. The successful candidate will be responsible for conducting environmental analysis and performing field work related to wetland and stream delineation, habitat assessments, and evaluation of environmental impacts associated with project development.
Project Environmental Scientist, Geologist, Engineer or Hydrogeologist Langan Engineering & Environmental ServicesProject Environmental Scientist, Geologist, Engineer or HydrogeologistPhiladelphia, PennsylvaniaManage environmental investigation and remediation projects; Perform complex analyses for specific portions of broader engineering and environmental projects; Supervise field activities and ensure correct interpretations of findings; Manage and deliver on multiple projects and tasks within specific budgets, schedules, and deadlines; Effectively organize, write and edit draft proposals, reports and other documents; Participate in the identification and pursuit of new clients, develop additional work within an existing projects and attend business development meetings with new and existing clients; Provide direct oversight and management of junior staff for specific project assignments. Hazwoper re-certification; Comprehensive understanding of regulatory requirements; Excellent public speaking, written, and verbal communication skills; Strong attention to detail with excellent analytical and judgment capabilities; Ability to effectively work independently and in a team environment; Ability to multi-task effectively, manage multiple projects and clients, develop and manage project budgets, and effectively manage and coach staff; Ability to work evenings and/or weekends as projects require; and.
Environmental Scientist - Air Testing Specialist Weston Solutions Inc.Environmental Scientist - Air Testing SpecialistWest Chester, PAWeston's IAS team conducts testing projects to assist clients in emissions testing and demonstrating emissions compliance with industry-specific regulations set forth in the Code of Federal Regulations (CFR) Title 40 - Protection of Environment. We fully invest in our people: Weston provides a generous, comprehensive benefits package program that offers employees high value options with solid financial protection, meeting the personal needs of its people and their families.
Senior Environmental Planner/Scientist HNTB CorporationSenior Environmental Planner/ScientistHarrisburg, PAWe are looking for a technically sound environmental scientist with strong leadership skills who is ready to be challenged and lead the environmental documentation task for major transportation clients such as Amtrak, SEPTA, PA Turnpike and state DOTs in Pennsylvania, New Jersey, Delaware and Maryland. Performs review of work to ensure the design or construction are in compliance with design criteria and scientific specifications and determines the need for additional investigations, studies, or alternate plans or designs if necessary.
Wetland & Environmental Scientist II Rettew Associates IncWetland & Environmental Scientist IIPittsburgh, PARETTEW is seeking an experienced Wetland & Environmental Scientist II to join our Natural Sciences team and take an active field-lead role supporting wetland and aquatic-resource investigations throughout Pennsylvania, Ohio, and West Virginia. Our culture is grounded in our core values - Act Like an Owner, Value Relationships, and Exemplify Excellence - and gives employees the opportunity to contribute directly to the quality and success of our work while sharing in RETTEW's long-term success through our Employee Stock Ownership Plan (ESOP).
Senior Environmental Planner/Scientist HNTB CorpSenior Environmental Planner/ScientistHarrisburg, PAWe are looking for a technically sound environmental scientist with strong leadership skills who is ready to be challenged and lead the environmental documentation task for major transportation clients such as Amtrak, SEPTA, PA Turnpike and state DOTs in Pennsylvania, New Jersey, Delaware and Maryland. Performs review of work to ensure the design or construction are in compliance with design criteria and scientific specifications and determines the need for additional investigations, studies, or alternate plans or designs if necessary.
NewEnvironmental Scientist 2 - Project Scientist Apex CompaniesEnvironmental Scientist 2 - Project ScientistPhiladelphia, New Jersey$55,000–$72,000 / yearFueled by high-quality delivery, exceptional client retention, and strategic acquisitions, Apex Companies continues to rank among the fastest-growing firms in the AEC industry, recently recognized by the Zweig Group for our industry-leading growth. Experience with some combination of Geoprobe/direct-push drilling, groundwater sampling, low-flow sampling, air sampling, or environmental site visits.