• Senior Environmental Scientist

    Langan Engineering, Environmental, Surveying and Landscape… (Philadelphia, PA)
    …learn from our multi-disciplinary team of site/civil, geotechnical, survey, and landscape architect professionals on landmark land development projects. We support ... and groundwater samples; Small and large scale groundwater treatment system design , operation and maintenance, and optimization; * Operate and maintain groundwater… more
    Langan Engineering, Environmental, Surveying and Landscape Architecture, DPC (07/08/25)
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  • Senior Traffic Engineer

    Langan Engineering, Environmental, Surveying and Landscape… (Pittsburgh, PA)
    …transportation planning studies, traffic event management studies, and traffic signal/roadway design projects. In this role, you will have the opportunity to ... road, and regulatory data; + Conduct preliminary traffic reviews at the project concept stage to identify critical traffic-related issues; + Apply knowledge and… more
    Langan Engineering, Environmental, Surveying and Landscape Architecture, DPC (05/22/25)
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  • Civil Engineer - Entry Level

    Langan Engineering, Environmental, Surveying and Landscape… (Doylestown, PA)
    …will serve a key function in providing assistance with the planning, design , and permitting of civil engineering, land development, and infrastructure projects. In ... will have the opportunity to gain experience in site/civil engineering design for mixed-use developments, shopping centers, residential, higher education, federal,… more
    Langan Engineering, Environmental, Surveying and Landscape Architecture, DPC (08/12/25)
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  • Senior Civil Engineer

    Langan Engineering, Environmental, Surveying and Landscape… (Doylestown, PA)
    …This individual will serve a key function in providing the planning, design , and permitting of civil engineering, land development, and infrastructure projects. In ... will have the opportunity to gain experience in site/civil engineering design for mixed-use developments, shopping centers, residential, higher education, federal,… more
    Langan Engineering, Environmental, Surveying and Landscape Architecture, DPC (07/12/25)
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  • Civil Engineering Interns / Co-ops - Spring

    Langan Engineering, Environmental, Surveying and Landscape… (Doylestown, PA)
    …field work, technical report preparation and calculations, pre-construction conditions documentation, design plans and specifications. In this role, you will have ... land development projects. Job Responsibilities + Assist with the planning, design and permitting of civil engineering, land development and infrastructure projects;… more
    Langan Engineering, Environmental, Surveying and Landscape Architecture, DPC (08/08/25)
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  • Senior Geotechnical Engineer

    Langan Engineering, Environmental, Surveying and Landscape… (Pittsburgh, PA)
    …cross-functionally on premier land development projects. Job Responsibilities + Design earth structures, deep foundations, support of excavation and underpinning ... systems; + Assist project manager with field work coordination and ...footings subgrade and backfill inspection, ground improvements, retaining wall design and construction, and excavation support system design more
    Langan Engineering, Environmental, Surveying and Landscape Architecture, DPC (07/28/25)
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  • Senior Environmental Scientist, Geologist,…

    Langan Engineering, Environmental, Surveying and Landscape… (Philadelphia, PA)
    …routine and more complex field problems and document them accurately, keeping project manager informed or problems encountered during work assignments; + Lead tasks ... and manage tasks within specific budgets and schedules. May track task and project budgets; + Interact in a professional manner with client and subcontractor… more
    Langan Engineering, Environmental, Surveying and Landscape Architecture, DPC (06/10/25)
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  • Traffic Intern / Co-op - Summer

    Langan Engineering, Environmental, Surveying and Landscape… (Pittsburgh, PA)
    …This individual will serve a key function in providing assistance with Traffic/Transportation project work. In this role, you will have the opportunity to get ... event management for large stadiums, transportation master planning, traffic signal design , and Highway Occupancy Permit (HOP) plans & designs. Assignments may… more
    Langan Engineering, Environmental, Surveying and Landscape Architecture, DPC (07/31/25)
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  • Environmental Engineer, Scientist, or Geologist…

    Langan Engineering, Environmental, Surveying and Landscape… (Doylestown, PA)
    …and groundwater sampling; vapor intrusion investigation; remedial investigation, design , implementation, and monitoring; pilot tests; data management, processing, ... document results; Communicate with supervisor on any problems encountered on project sites; + Assist with the preparation of technical reports, specifications,… more
    Langan Engineering, Environmental, Surveying and Landscape Architecture, DPC (08/01/25)
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