LEHDER Environmental Services is an environmental consulting company focused on providing Excellence in Industrial Air Quality Services. Formed in 1995, LEHDER is now one of the largest Air Quality Management companies in Canada. 

Our team of consulting professionals is built around our core strength in environmental, health and safety management. The LEHDER team consists of over 40 talented technologists, scientists, engineers, and project managers.

LEHDER is committed to providing accessible employment practices that are in compliance with the Accessibility for Ontarians with Disabilities Act (AODA). Applicants requiring accommodation for disability during any stage of the recruitment process are encouraged to advise accordingly.

Current Positions

Air Quality Specialist – Intermediate/Senior; LEHDER Industrial Services Group (ISG)

Job Description

At LEHDER we recognize our client’s need to make decisions that provide for operational flexibility while meeting regulatory, economic and social requirements. We are looking for an intermediate or senior level industrial Air Quality Specialist with a minimum of 3 - 5 years of air quality experience to join our team in Sarnia.

Ideal Candidate Qualifications

  • Degree or Diploma in Environmental Science, Chemistry, Atmospheric Science, Engineering, Environmental Technology or related field
  • 3+ years of experience in air permitting and emission inventory development
  • Dispersion modelling skills using AERMOD and CalPuff
  • Demonstrated expertise in Excel with emphasis on data analysis, calculation development using a variety of functions, and QA/QC strategies
  • Experience in interpreting and applying regulatory requirements
  • Strong skills related to technical writing and oral and written communication

Applications will be accepted until November 30, 2018

Interested parties can submit their cover letter and resume using the form below. Only applicants considered for interviews will be contacted.

Working at LEHDER

LEHDER’s Head Office is located in Sarnia-Lambton, the perfect place to live, work and play. Home to just over 128,000 residents in southwestern Ontario, Sarnia-Lambton offers the water enthusiast many opportunities including world class yachting, a thriving fishing industry, and beautiful sandy beaches which are characteristic of the area. Even land lovers will appreciate the Blue Water Experience with our spacious parks, variety of festivals, 20 public golf courses and an incredible array of special events throughout the year (

LEHDER's Western Division is based in Edmonton, Alberta. Our Western Canada office is located in Edmonton, Alberta; a vibrant place to be. Edmonton’s grassroots culture, down-to-earth people and community-driven values make it a great place to live. Edmonton is home to the largest stretch of urban parkland in North America. It truly is a unique place with something for everyone - you can play outdoors, experience a vast array of professional sporting events or enjoy Edmonton’s world-class shopping and dining, vivacious nightlife and theatrical culture and the more than 30 festivals and events that take place there each year.

LEHDER's corporate culture fosters an environment of integrity, respect and enthusiasm. We offer a flexible work schedule that recognizes a healthy work/life balance and employees have direct access to mentorship. LEHDER offers a full suite of benefits, including Group RRSP plans, medical and dental insurance, Employee Assistance Program, fitness expense reimbursement, and overtime pay.


Please use the following form for resume submissions:

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If you have any questions or are having trouble submitting your resume, please contact us.