Air Quality Engineer - EHS

TSMC; Phoenix (AZ); On-site; USD 90,000 - 120,000; Full time

Job summary

TSMC in Phoenix, AZ seeks an experienced Environmental Engineer specializing in Air Quality Permitting to manage all aspects of permitting and compliance. You will apply federal Clean Air Act requirements, NSPS, NESHAP and MCAQD rules to support project needs and regulatory approvals.

Responsibilities include permit submittals, regulatory interpretation, emission calculations, modeling (AERMOD), and agency liaison with MCAQD and EPA.

Qualifications

• Bachelor's degree in Environmental, Chemical, Civil Engineering or closely related field.
• 5–10 years of progressive experience in environmental engineering with a focus on air quality permitting.
• Demonstrated experience with MCAQD regulations and permitting processes is highly preferred.
• In-depth knowledge of federal and local air quality regulations including NSPS, NESHAP, and Title V.

Responsibilities

• Prepare, submit, and manage MCAQD permit submittals for new sources, modifications, and renewals.
• Interpret and apply federal, state, and local air quality regs to ensure compliance.
• Conduct emission calculations and may perform or oversee AERMOD modeling.
• Serve as primary liaison with MCAQD/EPA during permitting and negotiations.
• Develop and implement air quality compliance programs and reporting.
• Participate in internal and external environmental audits and inspections.
• Manage multiple permitting projects to ensure on-time, on-budget delivery.
• Provide technical guidance on air quality matters to project teams and operations.
• Stay current with changes in air quality regulations and technologies.

Skills

Air quality permitting

Regulatory interpretation

Emission calculations

Modeling (AERMOD)

Project management

Audits & inspections

Technical guidance

Education

Bachelor's degree in Environmental Engineering

Bachelor's degree in Chemical Engineering

Bachelor's degree in Civil Engineering

Tools

AERMOD

Job description

We are seeking a highly motivated and experienced Environmental Engineer specializing in Air Quality Permitting to join our team. The successful candidate will be responsible for managing all aspects of air quality permitting and compliance. This role requires a strong understanding of federal, state, and local air quality regulations, particularly those applicable to Maricopa County

• Permit Application & Management: Prepare, submit, and manage air quality permit modification submittals for new sources, modifications to existing sources, and renewals in accordance with Maricopa County Air Quality Department (MCAQD regulations.
• Regulatory Interpretation & Compliance: Interpret and apply federal (e.g., Clean Air Act, NSPS, NESHAP), and local (e.g., MCAQD Rules and Regulations) air quality regulations to ensure compliance.
• Emission Calculations & Modeling: Conduct emission calculations for various pollutants from diverse sources using established methodologies and software. May involve performing or overseeing air dispersion modeling studies (e.g., AERMOD) to assess potential impacts.
• Permit Negotiation & Agency Liaison: Serve as the primary point of contact with regulatory agencies (MCAQD, EPA) during the permitting process, addressing agency comments, negotiating permit conditions, and ensuring timely approvals.
• Compliance Assurance: Develop and implement air quality compliance programs, including monitoring, recordkeeping, and reporting requirements as stipulated by permits and regulations.
• Audits & Inspections: Participate in and support internal and external environmental audits and inspections, addressing any findings related to air quality.
• Project Management: Manage multiple air quality permitting projects simultaneously, ensuring projects are completed on time and within budget.
• Technical Support: Provide technical expertise and guidance on air quality matters to project teams, operations personnel, and management.
• Stay Current: Continuously monitor changes in air quality regulations and technologies to ensure ongoing compliance and identify opportunities for improvement.

Qualifications:

• Education: Bachelor's degree in Environmental Engineering, Chemical Engineering, Civil Engineering, or a closely related scientific or engineering field from an accredited institution.
• Experience: 5 to 10 years of progressive experience in environmental engineering with a strong focus on air quality permitting and compliance.
• Maricopa County Specific Experience: Demonstrated experience working with Maricopa County Air Quality Department (MCAQD) regulations and permitting processes is highly preferred.
• Regulatory Knowledge: In-depth knowledge of federal (e.g., Clean Air Act), state (Arizona), and local (Maricopa County) air quality regulations, including New Source Performance Standards (NSPS), National Emission Standards for Hazardous Air Pollutants (NESHAP), and Title V operating permits.