Junior Hydrogeologist or Geologist

LE044 Onterris Canada Inc.; Guelph; On-site; CAD 34,000 - 44,000; Full time

Job summary

Onterris Canada Inc. is seeking a Junior Hydrogeologist/Geologist based in Guelph or Oakville, Ontario.

You will support a range of hydrogeology and environmental projects across mining, infrastructure, energy and municipal sectors, working closely with senior geoscientists and engineers. You will gain hands-on field experience and build technical and regulatory expertise while contributing to project delivery, reporting and regulatory submissions under supervision.

Qualifications

• Undergraduate degree in geology, hydrogeology, earth sciences, environmental engineering, or a related field.
• 1–3 years of relevant experience, ideally within a consulting or field-based environment.
• Working understanding of Ontario regulations including O. Reg. 903, O. Reg. 153/04 and O. Reg. 406/19.
• Groundwater field experience such as sampling, monitoring well installation, and/or aquifer testing.
• Eligibility for registration as a Professional Geoscientist‑in‑training (GIT) or Engineer‑in‑Training is an asset.
• A valid and clean class G driver’s license with no restrictions.

Responsibilities

• Support technical and project delivery on hydrogeology and groundwater projects, including assessments and regulatory monitoring.
• Participate in field programs, including soil and groundwater sampling, well installation, pumping and testing, data collection of monitoring equipment.
• Assist with borehole drilling program oversight, field logging, and sample chain of custody.
• Support development of conceptual site models and data analysis, interpretation, and reporting.
• Assist in preparing technical reports, work plans, and regulatory submissions under senior staff guidance.
• Develop knowledge of Ontario regulatory requirements and related standards.
• Travel to project sites across Ontario and beyond, with travel requirements of 50% or more.

Skills

Travel up to 50%+

Interfacing with cross-functionalTeams

Geology/Hydrogeology knowledge

Regulatory understanding

Groundwater field experience

Driver's license

Education

Undergraduate degree in geology or related field

Tools

AQTESOLV

Surfer

GIS

Leapfrog

FEFLOW

Job description

About Us

At Onterris, we build careers grounded in purpose, responsibility and real-world impact. “For Planet and Progress” is our north star that guides everything we do. We believe environmental responsibility and human progress are interconnected, interwoven and international. Our scientists, engineers, field teams, consultants and professionals collaborate across disciplines and geographies, guiding industries and governments, ensuring that communities and environments thrive. When you join us, you’re not just forging a career, you’re joining a movement. A movement for better thinking, smarter solutions and lasting impact. Together, we will advance our way of life and protect the integrity of our environment every step of the way.

A Day in the Life

As a Junior Hydrogeologist/Geologist, based out of our Guelph or Oakville, Ontario office, you will support a wide range of hydrogeology, groundwater, and environmental projects across our mining, infrastructure, energy and municipal sector work. Working closely with senior geoscientists and engineers, you will gain hands‑on field experience while building your technical and regulatory expertise. You will be part of a strong team of committed professionals. The compensation range for this role is $25.00 to $32.00, commensurate with experience, skills, and geographic location. To thrive in this role, you’ll be comfortable taking ownership of the following responsibilities:

• Support technical and project delivery on a range of hydrogeology and groundwater projects, including hydrogeological assessments, contaminated site investigations, and regulatory groundwater monitoring programs
• Participate in field programs, including soil and groundwater sampling, monitoring well installation, pumping and aquifer testing, and installation and data collection from groundwater monitoring equipment
• Assist with borehole drilling program oversight, field logging, and sample chain of custody
• Support development of conceptual site models and assist with data analysis, interpretation, and reporting of project results
• Assist in preparing technical reports, work plans, and regulatory submissions under the guidance of senior staff
• Develop working knowledge of relevant Ontario regulatory requirements, including O. Reg. 903 (Wells), O. Reg. 153/04 (Records of Site Condition), and O. Reg. 406/19 (On-Site and Excess Soil Management)
• Travel to project sites across Ontario and beyond, with travel requirements of 50% or more depending on project needs

Your Expertise and Skills

These requirements reflect the knowledge, skills and abilities that help you do your best work here.

• Ability to travel up to 50%+
• Ability to interface with cross-functional teams and all levels of personnel/management
• Undergraduate degree in geology, hydrogeology, earth sciences, environmental engineering, or a related field
• 1 – 3 years of relevant experience, ideally within a consulting or field-based environment
• Working understanding relevant Ontario regulations, including O. Reg. 903 (Wells), O. Reg. 153/04 (Records of Site Condition), and O. Reg. 406/19 (On-Site and Excess Soil Management)
• Groundwater field experience, such as sampling, monitoring well installation, and/or aquifer testing
• Working knowledge of industry-standard software packages such as AQTESOLV, Surfer, GIS, etc. Knowledge of geomodelling and groundwater modelling software such as Leapfrog and FEFLOW are considered an asset.
• Eligibility for registration as a Professional Geoscientist‑in‑training (GIT) or Engineer‑in‑Training with a recognized Canadian licensing body (e.g., PGO, PEO) considered an asset
• A valid and clean class G driver’s license with no restrictions

Work Environment and Physical Requirements

• We may provide reasonable accommodations for qualified individuals with disabilities, consistent with applicable law, to support performance of the essential functions.
• Sitting, standing, and walking
• Lifting 23 kilograms (50 pounds) several times a day
• Overhead lifting of over 9 kilograms (20 pounds)
• Works in an office environment when not deployed to a field or project site
• Often works outdoors and may be exposed to hot and cold environments and extreme weather conditions, including sunlit, rainy and windy conditions

Onterris provides support in its recruitment processes to applicants with disabilities; including accommodation that considers an applicant’s accessibility needs. Candidates requiring accommodation during the recruitment process are asked to work with Human Resources directly.

This posting reflects a current vacancy that the company is actively seeking to fill. Please note, we are not accepting third party agency applicants at this time.

Onterris is a leading global environmental solutions company partnering with organizations to solve complex challenges where environmental pressures, regulatory expectations and operational risks intersect. Guided by our mission to advance the way of life without compromising the integrity of our environment, we believe environmental responsibility and human progress are fundamentally connected. Our scientists, engineers, field teams and consultants apply systems thinking that unites science, data and practical expertise to deliver solutions that strengthen our clients’ resilience, mitigate risk and protect the air, water and soil that sustain communities, while uncovering responsible paths forward for planet and progress. For more information, visit www.onterris.com.

We are an equal opportunity employer and encourage applications from people of all backgrounds. We acknowledge that these experiences and perspectives help to enrich our teams and contribute to our ongoing success. We are committed to providing access and reasonable accommodation in our employment for all applicants.

At Onterris, we take on complex challenges with purpose and momentum, alongside teams that lead with integrity, deliver together, and invest in your growth.

Working with inspiring coworkers and clients across the globe over the past five years has been incredibly rewarding. Their passion motivates me to improve our client experience and work that I deliver. – Erin Peck, Emissions Services

There are not many places where a toxicologist can be boots-on-the-ground at an environmental emergency one day and deep in a human health risk assessment or litigation the next, but this company is one of them, and honestly, that breadth is what makes me love the work. We are a team of scientists with a broad range of talents and experiences who genuinely take the mission to heart, because protecting people and communities from chemical hazards is not abstract here; it is exactly why we show up every day. The culture reflects that shared commitment in the best way: collaborative, rigorous, and truly motivated by the impact we make together. – Andre Richardson, Consulting

I knew my position here would be more than just a job. Every day is a new, exciting challenge to solve, and I get to go home knowing that the work I am doing is having a positive impact on the world. – J Esteves, R&D