Air Quality Engineer

Hanson Professional Services Inc.; St. Louis (MO); On-site; USD 100,000 - 150,000; Full time

Benefits offered by this job

Performance bonuses

401(k) with matching contribution

Employee Stock Ownership Plan

Comprehensive health & well-being plans

Work-life balance programs

Job summary

Hanson Professional Services Inc. seeks an Air Quality Engineer to lead air quality permitting projects in St. Louis, Missouri. This role entails conducting air quality assessments, preparing permit applications, and interfacing with regulatory agencies. Ideal candidates hold a degree in engineering and have over 10 years of experience in air quality compliance. The position offers a salary range of $100,000 to $150,000 per year, alongside competitive benefits including performance bonuses and a 401(k) plan.

Qualifications

• 10+ years of experience in air quality permitting and compliance.
• Able to lead air quality projects and manage compliance with regulations.
• Experience with emission control technologies and risk assessments.

Responsibilities

• Lead air quality permitting projects and ensure compliance with regulations.
• Conduct air quality assessments and prepare permit applications.
• Advocate for clients during permit negotiations.

Skills

Knowledge of air quality regulations

Experience with air dispersion modeling

Technical writing skills

Project budgeting understanding

Ability to scope professional services

Leading project meetings

Client relationship development

Quality control commitment

Problem-solving skills

Project management experience

Communication skills

Education

Bachelor's or master's degree in engineering

Professional Engineer (PE) license

Tools

AERMOD

CALPUFF

EPA tools like MOVES

Job description

Hanson Values

Integrity | Commitment | Quality | Relationships | Innovation

A Day in the Life of an Air Quality Engineer at Hanson

• Lead and manage air quality permitting projects to ensure successful project execution while collaborating with multidisciplinary teams.
• Conduct comprehensive air quality assessments and emission inventories to determine project compliance with local, state, and federal regulations.
• Prepare and review air permit applications, ensuring accuracy, completeness, and adherence to regulatory requirements.
• Interface with regulatory agencies, advocating for clients' interests during permit negotiations and approvals.
• Provide technical guidance to clients on air quality compliance strategies, emission control technologies, and best practices. Perform air dispersion modeling and risk assessments to evaluate potential impacts of emissions on air quality and public health.
• Stay current with evolving air quality regulations, industry trends, technological advancements, and convert this knowledge into actionable insights for clients.
• Mentor and train junior staff fostering their professional development and enhancing team capabilities.
• Participate in business development activities, including proposal writing and client presentations.
• Collaborate with cross‑functional teams to integrate air quality considerations into broader environmental initiatives.
• Other duties as assigned.

What We’re Looking For

Skills

• Deep knowledge of federal and state air quality regulations (e.g., Clean Air Act) and air permitting processes.
• Proven experience in air dispersion modeling software such as AERMOD, CALPUFF, and EPA tools like MOVES.
• Strong background in technical writing, with the ability to produce accurate, well‑organized, and regulatory‑compliant documents.
• Demonstrated understanding of project budgeting, financial tracking, and revenue recognition.
• Ability to scope and price professional services and contribute to project proposals.
• Effective at leading and participating in project meetings and communicating complex regulatory topics to diverse stakeholders.
• Proven ability to develop client relationships, contribute to business development strategies, and secure repeat business.
• Committed to quality control, project delivery standards, and continuous learning.
• Strong collaboration and problem‑solving skills; capable of working independently or as part of a team.
• Interest in environmentally impactful work with a variety of project types and clients.
• Project management experience, including demonstrated ability to lead and execute multiple projects simultaneously.
• Experience with emission control technologies and performing air quality risk assessments a plus.
• Excellent communication skills for both technical and non‑technical audiences.

Education/Experience

• Bachelor’s or master’s degree in engineering.
• Professional Engineer (PE) license or the ability to obtain one within six months.
• 10+ years of experience in air quality permitting and compliance in consulting, industrial, or regulatory settings.

Salary range: $100,000 – $150,000 per year. The salary offered to a candidate is based on years of experience.

Benefits

• Competitive compensation
• Performance bonuses
• 401(k) with matching contribution
• Employee Stock Ownership Plan
• Comprehensive health & well‑being plans
• Financial wellness plansWork‑life balance programs

Culture

• Monthly educational webinars
• Leadership training
• Lunch & learn development sessions
• 24/7 access to thousands of skill‑building courses
• Mentorship opportunities
• Award‑winning internship program
• Employee recognition
• And so much more!

AN EQUAL OPPORTUNITY EEO — EMPLOYER

We do not accept unsolicited resumes from recruiters or agencies/staffing firms. Resumes are only accepted from recruiters and agency/staffing firms if a signed agreement is in place at the inception of the recruiting effort and authorized for a specified position.