Freelance Air Dispersion Modeling Jobs (NOW HIRING)

At Weston Solutions, Inc. you will do meaningful work and make valuable contributions. Employee ownership at Weston is a path to professional growth and access to diverse opportunities in a highly connected community that works together across key service areas to make a difference in the environment. Weston has continued to evolve and adapt to our changing world as a premier provider of environmental and infrastructure services for over sixty years. In both the public and private sectors our teams help identify, solve, mitigate, and manage critical environmental issues to help clients achieve a more sustainable future.

Weston is seeking an Air Quality Engineer (Licensed Professional Engineer). This role supports air quality engineering and compliance projects for industrial clients nationwide, with a focus on permitting, modeling, and regulatory compliance. The position requires that the applicant have a deep understanding of the regulatory landscape, be technically proficient in adhering to engineering standards, and be able to consistently deliver within project scope, schedule, and budget.

Location: Edison, NJ

Expected Outcomes:

• Prepare and support air quality permitting in multiple states, including PSD, NNSR, Title V, synthetic minor, and true minor permits.
• Perform emissions calculations, engineering analyses, and evaluations of control equipment performance and operating parameters.
• Prepare modeling protocols for agency approval and conduct air dispersion modeling using AERMOD, CALPUFF, and screening tools.
• Analyze and validate technical data, resolving discrepancies to produce accurate, review-ready results and reports, including stack test reports.
• Maintain complete and accurate project documentation and deliverables within scope, schedule, and budget.
• Communicate project progress, risks, and constraints proactively with internal teams and clients.
• Deliver high-quality, compliant technical work products aligned with regulatory and client expectations.
• Foster relationships between clients and regulatory agencies in multiple states.
• Contribute to team performance and continuous improvement of air quality services.
• Support environmental compliance across multiple media, including SPCC, stormwater, EPCRA Tier II/TRI, and hazardous waste.
• Maintain confidentiality and adhere to all safety policies and OSHA requirements.
• Stay current on environmental regulations, technologies, and industry best practices.
• Support environmental compliance across multiple media, including SPCC, stormwater, EPCRA Tier II/TRI, and hazardous waste.

Knowledge, Skills, and Abilities:

• Licensed Professional Engineer (PE), preferred.
• Bachelor’s degree in Chemical, Civil, or Environmental Engineering from an accredited university.
• 8-15 years of experience in air quality permitting and environmental compliance.
• Experience in preparing air permit applications, with Title V experience preferred.
• Experience working with state and local air agencies, with multi-state experience preferred.
• Strong understanding of air permitting regulations, emissions calculations, and control technologies.
• Proficiency in air dispersion modeling tools such as AERMOD and CALPUFF is preferred.
• Working knowledge of multi-media environmental compliance programs, including SPCC, stormwater, EPCRA Tier II/TRI, and hazardous waste.
• Strong analytical, problem-solving, and organizational skills.
• High attention to detail and commitment to technical accuracy.
• Strong written and verbal communication skills.
• Proficiency with Microsoft Office Suite.
• Ability to work independently and collaboratively in a team environment, with the ability to support and mentor junior team members.

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.

• Medical, Dental, Vision, 401K with base and matching employer stock contributions.
• Paid time off includes personal, holiday and parental.
• Life and disability plans.
• Critical illness and accident plans.
• Work/Life flexibility.
• Professional development opportunities.

Compensation will vary based upon experience, education, skill level, and other compensable factors.