Senior Environmental Field Technician / Field Supervisor – Winnipeg Based

About the role

Parsons is seeking a Senior Environmental Field Technician/Field Supervisor to support site assessment and remediation projects across Manitoba, Saskatchewan, Northwest Territories, and Northwestern Ontario. The role involves field work, contractor coordination, and mentoring junior staff.

Key responsibilities

• Supervise Phase II Environmental Site Assessment and remedial excavation field programs.
• Coordinate drilling, monitoring well installation, test pitting, excavation activities, and soil sampling.
• Oversee groundwater monitoring, well development, purging, low‑flow sampling, and soil vapour collection.
• Conduct field screening, soil logging, sample selection, and document subsurface conditions.
• Perform hydraulic conductivity/permeability testing such as slug testing.
• Manage subcontractors, drillers, excavators, laboratories, utility locators, and project managers.
• Maintain accurate field notes, borehole/test pit logs, chain‑of‑custody forms, site photographs, and daily reports.
• Support health and safety planning and implement safe work practices.
• Mentor junior field staff and ensure consistent documentation standards.
• Travel out of town, staying overnight ~90% of the time, with occasional weekend/evening work.

Required profile

• Diploma, degree or technical training in environmental science, geology, engineering, biology, environmental technology or related field.
• 1+ year experience supervising or completing Phase II ESA field programs (drilling, test pitting, soil and groundwater sampling).
• Strong understanding of QA/QC procedures, sample handling, chain‑of‑custody and laboratory coordination.
• Ability to log soil, identify contamination evidence and make sampling decisions.
• Valid driver’s licence and ability to travel across Manitoba, Saskatchewan, Northwest Territories and Northwestern Ontario.
• Commitment to safe work practices and willingness to work overtime, evenings, weekends and extended out‑of‑town periods.

Required skills

• Field QA/QC procedures
• Soil and groundwater sampling techniques
• Drilling and test‑pitting supervision
• Hydraulic conductivity testing (slug testing, in‑situ K testing)
• Use of field instruments (water level meters, PID meters, multi‑parameter water quality meters, low‑flow sampling equipment)
• Documentation: borehole logs, test pit logs, chain‑of‑custody forms

What we offer

• Health, vision and dental benefits
• Employer‑paid provincial care premiums
• Defined Contribution Pension Plan, TFSA and RRSP options
• Life insurance, paid time off, sick leave and holidays
• Gym membership discounts
• Equal opportunity employment with focus on diversity, equity, inclusion and accessibility