[Hiring] Senior Air Quality Engineer @APTIM

Role Description

APTIM is seeking a Senior Air Quality Engineer to provide technical leadership in air permitting, dispersion modeling, regulatory strategy, and compliance. This client-facing role will support complex projects for data centers, power generation, manufacturing, industrial operations, and major infrastructure while helping grow APTIM’s Air Quality Services practice.

• Lead major source, PSD/NSR, Title V, synthetic minor, and minor source permitting for new facilities, expansions, and modifications.
• Develop regulatory strategies, emissions calculations, potential-to-emit analyses, BACT evaluations, and air permit applications.
• Evaluate applicability of the Clean Air Act, NESHAP/MACT, NSPS, and state and local air regulations.
• Perform or oversee air dispersion modeling using AERMOD and related tools, including criteria pollutant and toxic/HAP impact assessments.
• Support compliance through audits, emissions inventories, monitoring, recordkeeping, reporting, and corrective actions.
• Lead air quality support for data centers and power infrastructure, including emergency, standby, and prime-power generation.
• Coordinate permitting with project design, construction schedules, commissioning, and operations.
• Serve as a primary client and regulatory agency contact; manage project scopes, budgets, schedules, teams, and technical quality.
• Build client relationships and identify opportunities to expand APTIM’s services.

Qualifications

• Bachelor’s degree in engineering, environmental science, atmospheric science, or a related technical discipline.
• Must have 10+ years of relevant air quality consulting, permitting, modeling, or compliance experience.
• Demonstrated experience with major source permitting, regulatory strategy, dispersion modeling—preferably AERMOD—and federal, state, and local air regulations.
• Experience preparing and reviewing emissions calculations, potential-to-emit analyses, BACT evaluations, and permit applications.
• Strong technical writing, communication, client relationship, and project management skills.
• Ability to manage multiple projects and competing priorities.

Requirements

• PE, CCM, or another relevant professional credential.
• Experience with PSD/NSR, Title V, NESHAP/MACT, and NSPS requirements.
• Experience permitting data centers, power generation, large combustion sources, industrial facilities, or utility infrastructure.
• Experience with complex multi-source modeling, emergency and non-emergency generators, and direct coordination with regulatory agencies.

Benefits

• Medical, vision, and dental insurance: Employees can choose benefits from five metallic levels and several carriers.
• Company paid and optional Life insurance.
• Short-term and long-term disability insurance.
• Accident, Critical Illness, and Hospital Indemnity coverage.
• Paid holidays, vacation, and sick leave (eligibility based on company policy and applicable law).
• 401(k) plans through the Aon Pooled Employer Plan (PEP).