Senior Environmental Air Quality Modeler

WSP in the U.S.; Washington (District of Columbia); On-site; USD 85,000 - 125,000; Full time

Job summary

WSP USA is seeking an experienced Environmental Air Quality Modeler to join our Environmental Team. The role focuses on complex air quality permitting, compliance, and modeling projects for industrial clients across the United States, with a preference for Columbus, OH but open to any U.S. office.

You will lead air quality permitting efforts, conduct NSR/PSD modeling, and perform emissions inventories while collaborating with multidisciplinary teams to deliver innovative environmental solutions.

Qualifications

• Bachelor's degree in Chemical Engineering, Environmental Engineering, Meteorology, Environmental Science, or closely related discipline.
• 5+ years of professional experience in air quality permitting, regulatory compliance, and environmental consulting.
• Experience with air dispersion modeling, NSR, PSD, and Title V permitting.
• Strong writing, communication, data analysis, and problem-solving skills.
• Proficiency with Microsoft Office, especially Excel and Word.
• Ability to manage multiple projects, priorities, and client relationships.

Responsibilities

• Lead and support air quality permitting, compliance, and regulatory projects for industrial clients.
• Prepare and review NSR, PSD, and other air permit applications.
• Conduct air dispersion modeling analyses using tools such as AERMOD and other applicable modeling platforms.
• Perform emissions calculations, emissions inventories, and air regulatory analyses.
• Prepare semi-annual, annual, and other regulatory compliance reports.
• Interpret federal, state, and local air quality regulations and provide strategic guidance to clients.
• Coordinate with multidisciplinary project teams to deliver high-quality environmental solutions.
• Manage project scopes, schedules, budgets, and deliverables while ensuring technical excellence.
• Build and maintain strong client relationships through responsive communication and trusted technical support.
• Support business development initiatives, including proposal preparation, client engagement, and identification of new project opportunities.
• Mentor junior staff and contribute to the continued growth and development of the Air Quality practice.

Skills

Air modeling

Regulatory compliance

Project management

Client relations

Technical writing

Education

Bachelor's degree in Engineering or related

Tools

AERMOD

CALPUFF

Job description

WSP USA is seeking an experienced Environmental Air Quality Modeler to join our Environmental Team. The role focuses on complex air quality permitting, compliance, and modeling projects for industrial clients across the United States, with a preference for Columbus, OH but open to any U.S. office.

You will lead air quality permitting efforts, conduct NSR/PSD modeling, and perform emissions inventories while collaborating with multidisciplinary teams to deliver innovative environmental solutions.