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Langan Engineering & Environmental Services

land development engineering and environmental consulting

Environmental Permitting and Compliance Project Scientist – Air Quality

Environmental EngineeringUpdated on Nov 14
Full-timePhiladelphia, PA, USA

About the Job

Requirements

  • A bachelor's degree in Environmental or Chemical Engineering, Meteorology, or a closely related field is required.
  • At least 6 years of experience working with air permitting and multimedia compliance projects in a consulting environment is required.
  • Ability to effectively manage multiple clients and projects.
  • Ability to work on multidisciplinary projects.
  • Strong written and verbal communication skills are required.
  • Strong attention to detail, analytical ability, multitasking ability, and sound judgment are required.
  • Ability to work independently and in a team environment is required.
  • Reliable transportation for client meetings and job site visits and a valid driver's license in good standing are required.

Responsibilities

  • Prepare and review air permit applications, ensuring accuracy, completeness, and adherence to regulatory requirements.
  • Lead air permitting efforts throughout the project life cycle, from initial due diligence and application preparation through strategic compliance support during construction and ongoing operational compliance.
  • Develop, execute, and analyze air quality dispersion models.
  • Understand and implement solutions to air quality impacts identified in modeling analyses, including refining models or working with clients to identify emission controls, operating modifications, or exhaust modifications.
  • Perform air quality modeling analyses using common models such as AERMOD, MOVES, and CALPUFF to evaluate impacts for Title V, PSD, New Source Review compliance, and Environmental Impact Statements, and to address public concerns associated with development projects.
  • Prepare and communicate technical work products clearly to clients and state and federal agencies at technical and business levels.
  • Manage multiple tasks within scope, budget, and schedule expectations and ensure the quality of project deliverables.
  • Manage project budgets and assist with invoicing as project or task manager.
  • Provide direct oversight and management of junior staff on specific project assignments.
  • Lead or assist in preparing proposals, including developing scope and costs.
  • Liaise with internal multidisciplinary stakeholders.
  • Work as part of a cross-functional engineering team to support projects throughout the United States.

Desired Qualifications

  • A master's degree is preferred.
  • Professional Engineer (PE) licensure, being on track to obtain it through FE/EIT, or another relevant professional certification such as CHMM is strongly preferred.
  • Willingness and ability to maintain and develop existing client relationships and identify new opportunities is strongly desired.

About the Company

Langan Engineering & Environmental Services

land development engineering and environmental consulting

Langan provides land development engineering and environmental consulting services to clients worldwide. It helps clients plan, design, and manage complex projects from feasibility through construction, offering civil/site engineering, environmental impact work, permitting, and project management. The firm differentiates itself with decades of experience across hospitals, renewable energy, manufacturing, residential development, and airports, plus involvement in high-profile projects like stadiums and large airport expansions. Its goal is to help clients complete challenging land development and environmental projects on time and within budget while expanding its global capabilities.

Company size
1,001-5,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Parsippany-Troy Hills, NJ
Founded
1970

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