At Onterris, we build careers grounded in purpose, responsibility and real-world impact.
“For Planet and Progress” is our north star that guides everything we do. We believe environmental responsibility and human progress are interconnected, interwoven and international. Our scientists, engineers, field teams, consultants and professionals collaborate across disciplines and geographies, guiding industries and governments, ensuring that communities and environments thrive.
When you join us, you’re not just forging a career, you’re joining a movement. A movement for better thinking, smarter solutions and lasting impact.
Together, we will advance our way of life and protect the integrity of our environment every step of the way.
Senior Air Quality Specialist – Infrastructure
As a Senior Air Quality Specialist, you will report to the Service Director and lead air quality assessments on infrastructure projects within our Air Permitting and Compliance (Air P&C) Service Line in Ontario. You will play a key senior technical leadership role on some of Ontario’s most complex, high profile infrastructure projects.
The compensation range for this role is $130,000 to $170,000, commensurate with experience, skills, and geographic location. The ideal candidate will have demonstrated experience providing technical direction and strategy, and leading and delivering projects on schedule and on budget. To thrive in this role, you’ll need to be comfortable taking ownership of the following responsibilities:
Actively participate in and promote the strong safety culture at Onterris
As a Subject Matter Expert, lead complex air quality assessments related to major infrastructure projects on transit, highways, tunnels, and rail projects
Manage project scopes, schedules, and budgets.
Plan and execute the full lifecycle of infrastructure air quality management from pre-construction assessment, construction phase monitoring and mitigation, assessment updates and reporting
Maintain oversight and provide direction for all aspects of the management plan implementation including contractor coordination and compliance
Be present at the construction site as required to effectively collaborate with constructors and design/build teams, and to monitor project execution
Provide permitting strategy direction and interface with regulators as required
Contribute to business development activities including bolstering client accounts with previous experience and client contacts, contributing to client account management, as well as leading proposals including scoping and budgeting
Prepare, review and support technical reports and deliverables
Direct, mentor and develop junior staff members
Coordinate with internal project teams across various disciplines, including engineers, environmental scientists, technicians, physicists, and chemists
Ensure effective internal communication and collaboration to deliver high-quality products that meet our clients’ unique project needs
Your Expertise and Skills
Degree in environmental, chemical or civil engineering with a minimum of 10 years of direct experience in consulting practice
Professional registration in good standing with Professional Engineers Ontario (PEO) or the ability to achieve the designation is an asset
Expertise in air emissions quantification, monitoring program design, impact assessment and mitigation strategy using appropriate methodologies for infrastructure projects
Ability to assess ambient air quality and identify exceedances of limits set by all applicable regulators
Experience in utilizing real-time monitoring data to plan and execute adaptive mitigation strategies
Demonstrated ability to select and utilize appropriate air dispersion and emission estimation models (e.g. AERMOD, AERMOD, CAL4HQC and CAL3HQCR, MOVES) for infrastructure construction project impact assessment
Applied understanding of guidance and requirements established by Metrolinx, MECP, ECCC and other agencies as applicable
Experience in preparing and updating Construction Air Quality Management Plans, Air Quality Assessments and other deliverables to satisfy Project Agreement requirements
Located in the Greater Toronto Area or immediate vicinity with an expectation to work in the Oakville office full-time or on a hybrid basis for 2- 3 days/week in the office
Ability to travel with a valid class 5 or G Canadian driver’s license with no restrictions
Onterris provides support in its recruitment processes to applicants with disabilities; including accommodation that considers an applicant’s accessibility needs. Candidates requiring accommodation during the recruitment process are asked to work with Human Resources directly.
This posting reflects a current vacancy that the company is actively seeking to fill.
Please note that we are not accepting third party agency applicants at this time.
Onterris is a leading global environmental solutions company partnering with organizations to solve complex challenges where environmental pressures, regulatory expectations and operational risks intersect. Guided by our mission to advance the way of life without compromising the integrity of our environment, we believe environmental responsibility and human progress are fundamentally connected. Our scientists, engineers, field teams and consultants apply systems thinking that unites science, data and practical expertise to deliver solutions that strengthen our clients’ resilience, mitigate risk and protect the air, water and soil that sustain communities, while uncovering responsible paths forward for planet and progress. For more information, visit www.onterris.com.
We are an equal opportunity employer and encourage applications from people of all backgrounds. We acknowledge that these experiences and perspectives help to enrich our teams and contribute to our ongoing success. We are committed to providing access and reasonable accommodation in our employment for all applicants. For US residents, click here to learn more.
Skills Required
- Degree in environmental, chemical, or civil engineering
- Minimum 10 years of direct experience in consulting practice
- Professional registration in good standing with Professional Engineers Ontario, or ability to achieve the designation
- Expertise in air emissions quantification, monitoring program design, impact assessment, and mitigation strategies for infrastructure projects
- Ability to assess ambient air quality and identify regulatory exceedances
- Experience using air dispersion and emissions estimation models, including AERMOD, CAL4HQC, CAL3HQCR, and MOVES
- Applied understanding of requirements established by Metrolinx, MECP, ECCC, and other applicable agencies
- Experience preparing and updating Construction Air Quality Management Plans and Air Quality Assessments
- Located in the Greater Toronto Area or immediate vicinity
- Availability to work full-time in the Oakville office or hybrid two to three days per week
- Ability to travel with a valid unrestricted Class 5 or G driver's license
What We Do
Onterris is a global environmental solutions and services company that helps organizations address challenges where environmental pressures, regulatory expectations, and operational risks intersect. Its work includes consulting, testing and analysis, and treatment technologies. The company serves asset- and resource-intensive industries, operating across the United States, Canada, and Australia with a mission focused on environmental stewardship and protecting the integrity of the environment.
