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

This Opportunity

At WSP, we are driven by inspiring future-ready pioneers to innovate. We are seeking an experienced Environmental Air Quality Modeler to join our growing Environmental Team. This position offers the opportunity to work on complex air quality permitting, compliance, and modeling projects for a diverse portfolio of industrial clients throughout the United States.

This role is preferably based in our Columbus, Ohio office; however, qualified candidates may be located in any WSP office across the United States. The successful candidate will collaborate with multidisciplinary teams nationwide to deliver innovative environmental solutions, support critical infrastructure and industrial development projects, and help clients navigate an evolving regulatory landscape.

The ideal candidate will bring strong technical expertise in air quality permitting and modeling, sound project management skills, and a commitment to delivering exceptional client service while helping shape sustainable outcomes for our communities and environment.

Your Impact

• Lead and support air quality permitting, compliance, and regulatory projects for industrial clients.
• Prepare and review New Source Review (NSR), Prevention of Significant Deterioration (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.

Who You Are

Required Qualifications

• Bachelor's degree in Chemical Engineering, Environmental Engineering, Meteorology, Environmental Science, or a closely related discipline.
• 5+ years of professional experience in air quality permitting, regulatory compliance, and environmental consulting.
• Demonstrated experience with:
• Air dispersion modeling.
• New Source Review (NSR) permitting.
• Prevention of Significant Deterioration (PSD) permitting.
• Nonattainment permitting requirements.
• Air emissions inventory development.
• Title V permitting.
• Regulatory compliance evaluations.
• Air emission control technology assessments.
• Experience performing PSD modeling using AERMOD.
• Strong understanding of federal and state air quality regulations, policies, and emerging regulatory programs.
• Excellent technical writing, communication, data analysis, and problem-solving skills.
• Proficiency with Microsoft Office applications, including Excel and Word.
• Demonstrated ability to manage multiple projects, priorities, and client relationships simultaneously.
• Proven ability to work independently while collaborating effectively within a team environment.

Preferred Qualifications

• Experience with both AERMOD and CALPUFF modeling platforms.
• Existing professional relationships with state and federal regulatory agencies.
• Experience working with the Texas, Ohio, Indiana, or Kentucky environmental regulatory agencies.
• Air permitting and compliance experience within one or more of the following industries:
• Utilities and Power Generation
• Data Centers
• Oil and Gas
• Refining
• Chemical Manufacturing
• Industrial Manufacturing
• Active participation in industry or environmental professional organizations.
• Strong client management and business development experience.
• Demonstrated ability to anticipate client needs and develop practical, solution-oriented recommendations.

About WSP

WSP USA is the U.S. operating company of WSP, one of the world's leading engineering and professional services firms. Dedicated to serving local communities, we are engineers, planners, technical experts, strategic advisors and construction management professionals. WSP USA designs lasting solutions in the buildings, transportation, energy, water and environment markets. With more than 15,000 employees in over 300 offices across the U.S., we partner with our clients to help communities prosper.

www.wsp.com

WSP provides a flexible and agile workplace model while meeting client needs. Employees are also afforded a comprehensive suite of benefits including medical, dental, vision, disability, life, and retirement savings focused on providing health and financial stability throughout the employee’s career.

At WSP, we want to give our employees the challenges they seek to grow their careers and knowledge base. Your daily contributions to your team will be essential in meeting client objectives, goals and challenges. Are you ready to get started?

WSP USA (and all of its U.S. companies) is an Equal Opportunity Employer Race/Age/Color/Religion/Sex/Sexual Orientation/Gender Identity/National Origin/Disability or Protected Veteran Status.

The selected candidate must be authorized to work in the United States.

NOTICE TO THIRD PARTY AGENCIES

WSP does not accept unsolicited resumes from recruiters, employment agencies, or other staffing services. Unsolicited resumes include any resume or hiring document sent to WSP in the absence of a signed Service Agreement where WSP has expressly requested recruitment/staffing services specific to the position at hand. Any unsolicited resumes, including those submitted to hiring managers or other business leaders, will become the property of WSP and WSP will have the right to hire that candidate without reservation – no fee or other compensation will be owed or paid to the recruiter, employment agency, or other staffing service.