Senior Air Quality Engineer

Job Locations CA-ON-North York | CA-ON-Ottawa | CA-ON-Guelph | CA-ON-Kitchener | CA-ON-Chatham | CA-ON-Hamilton | CA-ON-London | CA-ON-Oakville | CA-ON-Windsor | CA-ON-Kingston
Job ID
# of Openings
Position Type
Regular Full-Time
Business Group
Environmental Sciences


Are you someone with strong leadership and technical capabilities?  Do you enjoy building relationships and working collaboratively in a team environment with both internal and external stakeholders? Are you a thought leader, a trusted advisor and a problem solver? If you enjoy entrepreneurship and innovation, this opportunity is for you! As someone with excellent communication skills and business acumen, you will thrive in our fast-paced and agile environment.

Your opportunity  

Dillon’s Atmospheric Services technical group is looking for a Senior Air Quality Engineer to join our multidisciplinary team of professionals. You will have the opportunity to enhance Dillon’s air quality presence in Ontario which will include delivering existing work, engaging new clients, and building a dynamic team to work collaboratively with Dillon’s existing Atmospheric Services team.

At Dillon, we operate as one team. This position is available at any of our  Ontario offices: Toronto, Ottawa, Guelph, Kitchener, Chatham, Hamilton, Kingston, London, Oakville, Windsor

We offer flexible work hours and hybrid work arrangement options to help balance the competing demands of work and personal life.


What your day will look like

Project Management & Design 

  • Manage air quality projects for facilities (including oil and gas facilities, aggregate extraction and processing, power generation facilities, industrial/manufacturing facilities and municipal facilities), transportation projects, Land Use Compatibility assessments, etc.
  • Listen, interpret and understand client needs, and develop clear, science-based approaches to developing solutions that meet client expectations
  • Provide technical support to junior and intermediate level staff on project work including monitoring, modelling, development of abatement strategies, and regulatory liaison.
  • Provide technical oversight and reviews of regulatory projects including ECAs, EASRs and EAs.

Business Development 

  • Coordination and implementation of business development activities related to air quality services including identification of opportunities, proposal development and client liaison.
  • Work with client managers and business unit leads within Dillon’s business development and sales framework to identify, support and pursue air quality related opportunities.
  • Business travel upon request.

Learning & Development 

  • Commit to self-development and ongoing learning and professional development.
  • Input to the career development of junior and intermediate staff, including technical direction, training. recommendations, coaching and mentoring.
  • Contribute to Dillon’s corporate profile through active participation in professional associations and committees.


What you will need to succeed

  • A degree in environmental, chemical engineering or a related engineering discipline.
  • P.Eng designation with Professional Engineers Ontario. 
  • 10+ years experience in environmental consulting or related experience in air quality.
  • Demonstrated relationship with local regulators (e.g. MECP) through project delivery.


  • Experience in air quality related work is considered a must, including:
  • An understanding of federal, provincial, and municipal laws and regulations pertaining to air quality including air approvals using standard and alternative methods, eg. site-specific standards, industry/technical standards, etc.
  • Experience preparing emission summary and dispersion modelling reports (ESDMs) and other air impact assessments to support ECAs, EASRs, and EAs.
  • Demonstrated abilities in project teamwork, team leadership, and client relationship building.
  • Demonstrate success with managing client relationships. 
  • Ability to work independently and thrive in an environment that provides quality, solution-oriented consulting services.
  • Strong interpersonal, communication and critical thinking skills.
  • Experience with GHG quantification, verification, and reporting is considered an asset.
  • Familiarity with MECP's environmental land use planning guides (D-series Guidelines) and experience in the application of D-series Guidelines in land use compatibility assessments is considered an asset.


Why choose Dillon


Dillon is powered by people who are technically proficient, passionate about socially important projects, and motivated to deliver superior, tangible results. We strive to remain at the forefront of technology and innovation, and are empowered to continually grow and develop. 


We live our core values:

  • Reliability: words result in actions that build trust;
  • Achievement: do the work to hit the target;
  • Continuous development: always learning; always adapting; always growing;
  • Creativity: discover new possibilities;
  • Courage: do the things that matter, especially when it’s hard;
  • Inclusiveness: enabling belonging to draw strength from our differences.


In addition, we offer:

  • Employee share purchase plan
    • Dillon is 100% employee owned and share ownership is open to all employees.
  • A competitive compensation package
    • Comprehensive health benefits
    • Generous retirement savings plan
  • Flexible work hours and remote working options
    • Dillon values its staff and the contributions that are made each day and understands that work arrangements can differ based on personal needs and business needs.  We are taking a trust-based approach to offer a variety of flexible and remote work options to help balance the competing demands of work and personal life. 
  • Early Career Development (ECD) program
    • We are committed to developing the skills and knowledge of our people at every stage of their career. The ECD program is designed to accelerate the development of successful consulting careers of new graduates. The program focuses on a mix of skills and behaviours that align with technical, consulting, clients, business acumen and early leadership. 
  • Focus on Innovation
    • The ability to anticipate, examine, and adopt new and innovative solutions is a crucial driver for the continual and progressive advancement of our business performance. In our culture, people are empowered to reflect and question current practices and seek forward looking solutions to today’s problems and tomorrow’s opportunities.
  • Employee and Family Assistance program (EFAP)
    • A variety of EFAP tools and online resources to support well-being are available to all employees.
  • Goodlife Fitness Corporate Membership
    • Our employees can take advantage of reduced annual membership fees


About Dillon

Dillon is a proudly Canadian, employee-owned, professional consulting firm specializing in planning, engineering, environmental science and management. We partner with clients to provide committed, collaborative, and inventive solutions to complex, multi-faceted projects. With over 20 offices and more than 1000 employees across Canada, Dillon offers a wide range of services related to building and improving facilities and infrastructure, protecting the environment, and developing communities.


Now operating for over 75 years, we continue to strive for excellence in everything we do. Dillon has been listed as one of Canada’s Best Managed Companies for the past 18 years and has the distinction of having achieved Platinum Club member status in this program.


Employment Equity, Diversity & Inclusion at Dillon

Dillon is committed to the principles of employment equity, inclusiveness, and diversity within our organization. We strive to achieve a workplace where opportunities are based on skills and abilities and that respects and values differences.


Inclusion is more than a word to us, it is the way we choose to run our business. We encourage you to connect with us if you require accommodation in the interview process.


We would love to hear from you!






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