Hydrogeologist (groundwater protection)

Fonction publique de l'Ontario; Toronto; On-site; CAD 73,000 - 93,000; Full time

Benefits offered by this job

Defined benefit pension

Parental leave top-up

Comprehensive health plan

Life and disability insurance

Flexible work arrangements

Career growth and development

Job summary

The Ontario Public Service (OPS) – Ministry of the Environment, Conservation and Parks is seeking passionate hydrogeologists to safeguard Ontario's groundwater. You will join a Regional Technical Support Team balancing environmental protection with development opportunities, conducting field investigations and evaluating hydrogeological impacts.

You will review reports, provide scientific advice in spills and environmental responses, and prepare authoritative reports for ministry staff,

Qualifications

• Registered geoscientist in good standing with Professional Geoscientists Ontario (PGO) or equivalent
• Post-secondary degree with specialization in Geology, Hydrogeology, or Earth Sciences
• Valid class G driver's license or equivalent, as recognized by Ontario

Responsibilities

• Review technical reports and evaluate hydrogeological impacts on groundwater resources.
• Design and conduct field investigations to assess environmental risks and compliance with health-based standards.
• Provide scientific advice in environmental response situations (e.g., spills and waste disposal).
• Prepare and present scientific reports to ministry staff, municipalities, and the public.
• Contribute to legal proceedings by providing specialist testimony and preparing related documents.

Skills

Geoscience professional

Hydrogeology

Environmental knowledge

Communication

Project management

Data analysis

Driver's license

Education

Geoscience degree in Geology/Hydrogeology/Earth Sciences

Tools

Computer modeling

Office software

Job description

Apply By: Friday, September 25, 2026 11:59 pm EDT

Ministry of the Environment, Conservation and Parks

Division: Compliance and Regional Technical Services Division

City: Etobicoke, Guelph, Kenora, Kingston, Sault Ste Marie, South Porcupine, Sudbury, Thunder Bay, Toronto

Position(s) language:

Job term: 1 Permanent, 1 Temporary (up to 6 months)

Job code: 15548 - Scientist 4

$1,605.35 - $2,037.57 Per week*
*Indicates the salary listed as per the OPSEU Collective Agreement.

Calling all Geoscientists!

We are seeking passionate and knowledgeable Hydrogeologists to play a key role in safeguarding Ontario's groundwater.

Are you ready to take on a challenging opportunity that supports Ontario's top priorities, such as the Critical Mineral Strategy? Do you thrive in a fast-paced environment, managing complex files that have real-world impact?

Now is the time to join our Regional Technical Support Team—a dedicated group of professionals who expertly balance the protection of Ontario's environment with economic development opportunities in the north.

About the job

In this role, you will:

• Review technical reports and evaluate the hydrogeological impacts of proposed and existing activities on regional groundwater resources.
• Design and conduct field investigations to assess environmental risks and compliance with health-based standards.
• Give scientific advice in environmental response situations, such as spills and waste disposal, to ensure groundwater protection.
• Prepare and present scientific reports to various partners, including ministry staff, municipalities, and the public.
• Contribute to legal proceedings by providing specialist testimony and preparing legal documents related to groundwater management.

Find out more about the important work ofOntario's Ministry of the Environment, Conservation and Parks

NOTE: Consideration will be given to the successful candidates to allow themwork at any of the posted MECP office locations. Work location will be determined based on the successful candidate's current home or work address and operational needs. Working in the Northern region, however, would provide the successful candidates the added benefit of in-person networking opportunities with Northern region colleagues and ease opportunities for in-field work. Consider the Northern region when submitting your application and start your next adventure!

What you bring to the team

Mandatory requirements:

• You are a registered geoscientist or geoscientist-in-training in good standing with Professional Geoscientists Ontario (PGO) without relevant limitations or with another regulated association of geoscientists in Canada, including the Professional Engineers of Ontario if qualified to practice geoscience.
• You have a post-secondary degree with specialization in a discipline such as Geology, Hydrogeology, or Earth Sciences.
• You hold a valid class 'G' driver's license or equivalent, as recognized by the Province of Ontario. The offer of employment is conditional on the successful candidate providing proof that they have a valid driver's license before being hired.

Environmental knowledge:

• You have demonstrated knowledge of contaminant hydrogeology, hydrogeological methods and techniques, and related theories, principles and practices.
• You have knowledge of how to investigate environmental issues, manage water resources, and can stay up to date on new theories and practices in environmental management.
• You can interpret and apply environmental laws, such as the Environmental Protection Act and the Ontario Water Resources Act, as well as related policies and guidelines.

Investigative, assessment and project management skills:

• You can research, assess, and evaluate environmental problems.
• You can investigate complaints, spills, and other issues, and develop appropriate solutions to resolve them.
• You can use your project management skills to run field studies and other projects.

Communication skills:

• You can explain technical information in a way that is easy to comprehend.
• You work well with others and can influence people with different interests.
• You can develop and present scientific reports to various audiences.

Computer proficiency:

• You know how to use computer modeling and common office software like email, word processing, spreadsheets, and databases.

How we support diversity, inclusion and accessibility

We are building an inclusive workforce that reflects the communities we serve. We encourage everyone interested in working with us to apply, including people with disabilities, Indigenous, Black and racialized individuals, as well as people from all ethnicities, cultures, sexual orientations, gender identities and gender expressions.

Our hiring process is accessible, consistent with Ontario's Human Rights Code and the Accessibility for Ontarians with Disabilities Act, 2005. We are working to prevent and remove barriers in our hiring processes and can offer accommodation to address specific needs related to Code-protected grounds such as disability, family status and religion. For more information about accommodation during the hiring process please contact us.

Learn more about the work the OPS is doing to create an inclusive, anti-racist, accessible and diverse workplace:

• diversity, equity and inclusion initiatives
• accessibility
• Anti-Racism Policy

What we offer

The Ontario Public Service (OPS) is committed to being an employer of first choice, creating a positive and inclusive work environment.

We offer:

• a defined benefit lifetime pension plan
• parental leave top-up benefits which includes adoptive parents
• comprehensive health plan
• life and disability insurance
• flexible work arrangements
• collegial and professional work culture
• career growth and development opportunities across multiple business areas
• on-the-job training to aid your success in the role

Additional information:

Apply by:

Friday, September 25, 2026 11:59 pm EDT

• 1 English Permanent, 435 James St S, Thunder Bay, North Region or 5520 Hwy 101 E, South Porcupine, North Region or 5775 Yonge St, Toronto, Toronto Region or 70 Foster Dr, Sault Ste Marie, North Region or 933 Ramsey Lake Rd, Sudbury, North Region or 40 St Clair Ave W, Toronto, Toronto Region or 808 Robertson St, Kenora, North Region or 125 Resources Rd, Etobicoke, Toronto Region or 1 Stone Rd W, Guelph, West Region or 1259 Gardiners Rd, Kingston, East Region
• 1 English Temporary, duration up to 6 months, 435 James St S, Thunder Bay, North Region or 5520 Hwy 101 E, South Porcupine, North Region or 5775 Yonge St, Toronto, Toronto Region or 70 Foster Dr, Sault Ste Marie, North Region or 933 Ramsey Lake Rd, Sudbury, North Region or 40 St Clair Ave W, Toronto, Toronto Region or 808 Robertson St, Kenora, North Region or 125 Resources Rd, Etobicoke, Toronto Region or 1 Stone Rd W, Guelph, West Region or 1259 Gardiners Rd, Kingston, East Region

Language requirements and assessment: All external Ontario Public Service (OPS) job ads are posted in English and French. Check the "position(s) language" section at the top of each job ad for the language requirements. For all roles, candidates are assessed in English, the business language of the OPS. If the position is bilingual (English/French), you'll also need to pass a French-language proficiency test.