Senior Air Quality Engineer: Lead Permitting & Modeling

aptim; Olympia (WA); On-site; USD 135,000 - 166,000; Full time

Benefits offered by this job

Medical, vision, and dental insurance

Paid holidays and vacation

401(k) retirement plans

Job summary

APTIM seeks a Senior Air Quality Engineer to provide technical leadership in air permitting, dispersion modeling, regulatory strategy, and compliance for data centers, power generation, manufacturing, and major infrastructure projects.

This client-facing role will coordinate with design, construction, and operations, manage scopes and budgets, build client relationships, and expand APTIM’s air quality services while applying AERMOD and related tools.

Qualifications

• Bachelor’s degree in engineering, environmental science, atmospheric science, or a related technical discipline.
• 10+ years of relevant air quality consulting, permitting, modeling, or compliance experience.
• Experience with major source permitting, regulatory strategy, dispersion modeling (preferably AERMOD), and air regulations at federal, state, and local levels.
• Experience preparing and reviewing emissions calculations, potential-to-emit analyses, BA C evaluations, and permit applications.
• Strong technical writing, communication, client relationships, and project management skills.

Responsibilities

• Lead major source, PSD/NSR, Title V, synthetic minor, and minor source permitting for new facilities or expansions.
• Develop regulatory strategies, emissions calculations, potential-to-emit analyses, and air permit applications.
• Evaluate applicability of Clean Air Act, NESHAP/MACT, NSPS, and state/local air regulations.
• Provide air dispersion modeling using AERMOD and related tools for pollutant impact assessments.
• Support compliance through audits, emissions inventories, monitoring, recordkeeping, reporting, and corrective actions.
• Lead client relationships and coordinate permitting with design, construction, commissioning, and operations.

Skills

Air quality consulting

Permitting experience

Dispersion modeling

Technical writing

Education

Bachelor's degree in engineering/environmental science/atmospheric science

Tools

AERMOD

Job description

APTIM seeks a Senior Air Quality Engineer to provide technical leadership in air permitting, dispersion modeling, regulatory strategy, and compliance for data centers, power generation, manufacturing, and major infrastructure projects.

This client-facing role will coordinate with design, construction, and operations, manage scopes and budgets, build client relationships, and expand APTIM’s air quality services while applying AERMOD and related tools.