

Canadian environmental consulting firm offering tailored, multidisciplinary solutions in site assessment, remediation, biology and engineering.
As a senior field practitioner within our Contaminated Sites Field Services group, you will act as the field lead on complex and challenging investigations, serving as Keystone’s technical representative on site.
We are seeking an experienced Environmental Engineer or Scientist who wants to continue working in a field-based role within contaminated sites consulting. This position is ideal for professionals who enjoy being on site, leading investigations, applying sound technical judgment in real time, and mentoring junior staff—without being pulled away into a desk-only role.
This role is designed for individuals who value technical excellence, field autonomy, and practical problem-solving, and who want to continue building their career in the field, not away from it.