VERSATILITY. EXPERTISE.
Since 1962, Vertex has been a leading North American provider of environmental services. With over 60 years of expertise, Vertex helps clients achieve their development goals through our versatile suite of services. From the initial site selection, consultation and regulatory approval, through the construction, operation and maintenance phases, to conclusion and environmental cleanup, Vertex offers a diverse range of services throughout the life cycle of our clients’ projects.
Overview Vertex is seeking a full-time, permanent Intermediate Environmental Scientist to join our Ontario team. The successful candidate will bring a strong technical background in environmental site assessment, remediation, environmental monitoring, and regulatory compliance. This role is primarily field-based and involves planning and executing environmental investigations, overseeing drilling and sampling programs, collecting and interpreting environmental data, and supporting remediation across a variety of project types. When not in the field, you will be responsible for data interpretation, analysis, and technical report writing.
Reporting to the Environmental Manager, the Intermediate Environmental Scientist will play a key role in delivering high-quality environmental services while ensuring compliance with applicable provincial and federal regulations, including Ontario's Excess Soil Regulation and environmental site assessment requirements. The successful candidate will work closely with clients, Indigenous communities, contractors, and internal technical teams to support safe, effective, and practical environmental solutions.
This position is well suited for a motivated environmental professional who enjoys a balance of field and office work, thrives in a dynamic environment, and is passionate about environmental stewardship, technical excellence, and mentoring junior staff.
Candidate Qualifications A Bachelor’s degree in Environmental Science, Environmental Engineering, or a related discipline
A minimum of 4 years of experience executing environmental assessment, remediation, reclamation, and monitoring projects for oil and gas clients, preferably within a consulting environment
Professional designation or eligibility for registration with a recognized skilled association (e.g., P.Eng., P.Geo., EP) is considered an asset
Project experience involving oil and gas projects is preferred
Proven experience planning and executing Phase II Environmental Site Assessments (ESAs), including drilling programs, soil sampling, and groundwater monitoring




Solid understanding of Ontario environmental regulations, including ESA and Excess Soil requirements; experience working in other provinces and territories is considered an asset
Excellent client relationship management and communication skills
Strong verbal and written communication abilities, with demonstrated experience preparing high-quality technical reports
Commitment to teamwork, collaboration, and mentoring junior environmental professionals.
Experience implementing alternative remediation technologies and risk assessment approaches
Strong stakeholder engagement skills, with the ability to build and maintain productive relationships with municipalities, First Nations communities, regulatory agencies, and other government organizations
Possession of a valid Ontario driver’s license and a clean driving record is required
Exceptional organizational, planning, and time management skills
Self-motivated with a proactive, solution-oriented approach and the ability to thrive in a fast-paced, challenging environment
Current industry safety certifications are considered an asset
Responsibilities Execute environmental projects and field programs, including site investigations, environmental monitoring, data collection, and technical reporting, with approximately 60% field-based work
Conduct Phase I Environmental Site Assessments (ESAs) in accordance with applicable regulatory requirements and industry best practices
Plan and conduct Phase II ESAs, including drilling programs, test pitting, soil sampling, groundwater monitoring, monitoring well installation, and data interpretation
Lead and coordinate environmental field activities, including the supervision of drilling contractors, subcontractors, technicians, and junior staff
Participate in and facilitate investigations related to environmental incidents and spills, including site assessment, delineation, and reporting
Conduct groundwater, surface water, soil, sediment, vapour, and other environmental sampling programs
Support contaminated site assessment, site remediation, reclamation, and environmental monitoring projects




Monitor remediation and reclamation activities and provide technical recommendations based on field observations and analytical results
Assist with excess soil characterization, management, and compliance activities in accordance with applicable regulations
Prepare detailed field notes, site records, technical memoranda, environmental reports, and regulatory documentation
Review and interpret laboratory analytical data and field information to support site characterization and environmental decision-making
Ensure all field activities are conducted safely and in compliance with company health, safety, environmental, and quality management systems
Perform quality assurance and quality control (QA/QC) reviews of field data, sampling procedures, and project documentation
Maintain environmental monitoring equipment and ensure field instruments are properly calibrated and operated
Build and maintain effective working relationships with clients, Indigenous communities, contractors, and internal stakeholders
Coordinate with Project Managers and technical discipline leads to ensure the timely completion of field programs, deliverables, and reporting requirements
Provide technical guidance, mentorship, and training to junior environmental professionals
Support regulatory inspections, site visits, and environmental compliance assessments as required
Participate in emergency response and spill response activities, including occasional after-hours support when required
Stay current with environmental regulations, industry standards, and emerging assessment, monitoring, remediation, and reclamation practices
Demonstrate strong communication, problem-solving, and interpersonal skills while working in multidisciplinary project teams
Perform other related duties as assigned
WORKING CONDITIONS Combination of office, remote, and field‑based work, with flexibility based on project needs
Regular field assignments requiring travel and leadership presence on active sites
Participation in physically demanding outdoor work, including oversight of staff in varying weather, terrain, and site conditions
Requirement to exercise independent judgment and decision‑making during field execution and site supervision
LOCATION This position will be based out of Sarnia Ontario, with some travel.
Additional Information Compensation is commensurate with education and experience
A comprehensive benefit package is provided
Eligibility in the Vertex RRSP program
Learning and development opportunities
A culture of performance and accountability
A supportive and positive team environment

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📌 Intermediate Environmental Scientist (Ontario)
🏢 Vertex Resource Group
📍 Ontario