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There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

AECOM is seeking an experienced Senior Air Quality Specialist to provide advanced technical expertise in air quality studies and compliance efforts. The successful candidate will focus on air dispersion modeling, emissions management, and regulatory compliance while collaborating with multidisciplinary teams to solve complex air quality challenges.

Key Responsibilities:

• Air Emission Inventory and Dispersion Modelling
  • Lead preparation of high-quality air quality assessment reports to support air permitting and environmental assessments.
  • Manage and perform (if necessary) air dispersion modelling using AERMOD, CALPUFF, and CAL3HQCR.
  • Estimate air emissions for greenhouse gases, criteria air contaminants, and other pollutants using site-specific data, emission factors, and US EPA MOVES modeling.
  • Interpret modeling results and compare to local, provincial, and federal regulations.
• Ambient Air Monitoring Support
  • Manage and oversee installation, maintenance, and decommissioning of air monitoring equipment.
  • Coordinate with suppliers and laboratories for equipment performance and calibration.
  • Manage data collection, troubleshoot issues, and ensure data accuracy.
  • Lead preparation of air quality management and monitoring plans.
• Compliance (Permitting, NPRI, GHG, AEIR, etc.)
  • Have a working knowledge and demonstrate an understanding of relevant regulatory programs, guidelines, and best practices related to ambient air quality.
  • Coordinate the project team and lead the air quality assessments for permits and wider environmental assessment projects.
  • Liaise with provincial and federal regulators on behalf of clients with report submissions and permit applications.
• Research and Technical Expertise
  • Conduct investigations into industrial processes and air emissions, especially in oil and gas, transportation, and chemical sectors.
  • Provide recommendations on air pollution control strategies and regulatory compliance.
  • Prepare high-quality technical documents and reports.
• Business Development
  • Support business development and proposal preparation with technical expertise and technical contacts in industry, especially in the energy and oil & gas sectors.
• Collaboration and Process Optimization
  • Collaborate with internal teams across Canada and external clients to meet project goals.
  • Mentor junior staff and support business development initiatives.
  • Automate data analysis workflows using tools such as Python or R.

Minimum Qualifications

• Bachelor’s degree in Environmental Science, Engineering, or a related field.
• 6 years of relevant and demonstrated experience in air quality analysis, dispersion modeling, project management, technical writing, proposal preparation, and environmental compliance OR demonstrated equivalency of education and experience.

Preferred Qualifications

• Master’s degree in Environmental Science, Engineering, or a related field.
• 8 or more years of experience in air quality analysis, including advanced dispersion modeling.
• Excellent written and oral communication skills.
• Strong leadership skills and experience in mentoring junior team members.
• Experience in preparation of regulatory approvals, reports and permits.
• Familiarity with ambient air monitoring systems, including installation, maintenance, and troubleshooting.
• Proficiency in Python or R for workflow automation.

About AECOM

AECOM is the world’s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $14.4 billion in fiscal year 2023. See how we are delivering sustainable legacies for generations to come at aecom.com and @AECOM.

Freedom to Grow in a World of Opportunity 

You will have the flexibility you need to do your best work with hybrid work options. Whether you’re working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed.

You will help us foster a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

AECOM provides a wide array of compensation, benefits and well-being programs to meet the diverse needs of our employees and their families. We’re the world’s trusted global infrastructure firm, and we’re in this together – your growth and success are ours too.

Join us, and you’ll get all the benefits of being a part of a global, publicly traded firm – access to industry-leading technology and thinking and transformational work with big impact and work flexibility. As an Equal Opportunity Employer, we believe in each person’s potential, and we’ll help you reach yours.

All your information will be kept confidential according to EEO guidelines.