Senior Air Quality Consultant / Regional Leader (Air Quality)

Location: Houston, Texas, United States; office-based with travel to client sites and occasional field work and audits.

Salary: USD 150,000–200,000 per year, plus potential participation in an annual discretionary bonus program.

Company

hirify.global, a member of WSP, is a global environmental and engineering consulting firm serving power and energy, transportation and infrastructure, environmental, and property and buildings sectors.

What you will do

• Lead complex air permitting applications for PSD, NSR/NNSR, Permit-by-Rule, Standard Permit, and Title V programs.
• Perform regulatory applicability analyses, compliance strategy development, emissions inventories, calculations, and reporting.
• Conduct advanced air dispersion modeling for permitting and FERC projects using AERMOD and CALPUFF.
• Evaluate meteorological data, modeling inputs, criteria pollutants, and GHG emissions, including NO₂, SO₂, and PM₂.₅ challenges.
• Lead project teams, manage client relationships, review deliverable quality, and support project profitability and delivery.
• Conduct air compliance audits, onsite evaluations, and monitoring and reporting reviews as needed.

Requirements

• Bachelor’s degree in Atmospheric Sciences, Environmental Engineering, or a related field.
• 10+ years of experience in air quality consulting or regulatory compliance.
• Demonstrated experience with Texas air permitting programs, including TCEQ NSR, PBR, Standard Permits, and Title V, is required.
• Experience with Clean Air Act programs, permitting strategy, air quality engineering, dispersion modeling, and compliance requirements.
• Experience supporting power generation, oil and gas, LNG, petrochemical, chemical manufacturing, bulk storage, or materials handling sectors.
• QEP, CCM, or PE certification and strong project leadership, communication, analytical, and client management skills.

Nice to have

• Compliance audit and monitoring experience.
• Multi-state air dispersion modeling experience.
• HAZWOPER certification or ability to obtain it.
• Professional affiliation with organizations such as the Air & Waste Management Association.

Culture & Benefits

• Training and development opportunities, including support for new skills and certifications.
• Medical, dental, vision, and disability insurance for eligible US employees.
• 401(k) plan with traditional and Roth options and company match.
• Paid time off of 15–25 days per year depending on status and seniority.
• Paid holidays and paid sick, family, and disability leave in accordance with applicable state law.