Assistant Engineering Geologist Jobs in Colorado

At Onterris, we build careers grounded in purpose,responsibilityand 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,interwovenand international. Our scientists, engineers, field teams,consultantsand professionals collaborate across disciplines and geographies, guiding industries and governments, ensuring that communities and environments thrive.

When you join us,you'renot just forging acareer,you'rejoining a movement. A movement for better thinking, smartersolutionsand 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

Our Staff Professional (Scientist/Geologist/Engineer) - Soil & Groundwater Sampling position is located in Colorado. This position will support our client, a very large oil/gas operator. This position will have a combination of field/office work. There is potential, initially, for the position to perform assessment remediation in the field 5 days/week. This work consists of supporting large portfolio projects, is fast-paced, can be technical in nature, and interaction with clients & regulators is required.

The annual salary range for this role is $60K to $75K, commensuratewith experience, skills, and geographic location.

To thrive in this role,you'llbe comfortable taking ownership of the following responsibilities:

Field Sampling & Investigation

• Perform soil, groundwater, and environmental media sampling in accordance with project plans and regulatory requirements.

• Assist with development and execution of site sampling strategies.

• Conduct soil sampling using hand augers and other field equipment.

• Support installation and development of groundwater monitoring wells.

• Assist with oversight of impacted soil excavation and groundwater remediation activities.

• Collect accurate field measurements, observations, and documentation.

• Maintain field equipment and ensure proper calibration and operation.

Project Support

• Support multiple environmental remediation and compliance projects simultaneously.

• Assist with preparation of project deliverables, technical reports, permits, permit-related documentation, and proposals.

• Support data collection, management, and quality assurance efforts.

• Ensure environmental field and laboratory data comply with applicable permits and regulatory standards.

• Provide quality, accurate, and timely work products for both internal and external clients.

Project Coordination

• Under the direction of the Project Manager, assist with tracking project schedules, budgets, scopes of work, and client deliverables.

• Communicate professionally with clients, subcontractors, laboratories, and regulatory agencies as directed.

• Support the full lifecycle of environmental remediation projects from investigation through closure.

Administrative Responsibilities

• Complete daily field logs, chain-of-custody documentation, and project records.

• Enter timesheets daily and submit accurately and on time each Friday, the 15th, and the last day of each month.

• Maintain project documentation and electronic databases.

Health, Safety & Compliance

• Follow all company health and safety policies, client requirements, and OSHA regulations.

• Participate in all required safety meetings and training programs.

• Utilize proper personal protective equipment (PPE) and safe work practices.

• Support continuous improvement initiatives and team objectives.

• Other duties as assigned

Your Expertise and Skills

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

• Bachelor's degree in Environmental Science, Geology, Environmental Engineering, or a related scientific discipline from an accredited four-year college or university.

• Valid driver's license and ability to successfully pass a criminal background check, motor vehicle records check, and pre-employment drug screening.

• Proficiency with Microsoft Office Suite, including Word, Excel, Outlook, and PowerPoint.

• Strong analytical, problem-solving, and critical-thinking skills.

• Excellent organizational, time management, and project management abilities.

• Effective verbal and written communication skills, including technical writing.

• Ability to work independently, prioritize tasks, and manage multiple responsibilities in a fast-paced environment.

• Ability to collaborate effectively with cross-functional teams and personnel at all organizational levels.

• Physical ability to perform outdoor field work in varying weather and site conditions.

• Ability to lift, carry, and move equipment weighing up to 50 pounds.

Preferred Qualifications

• Previous experience with soil and groundwater sampling, environmental site investigations, or remediation projects.

• Familiarity with Colorado Energy & Carbon Management Commission (ECMC) regulations and environmental compliance requirements.

• OSHA 40-Hour HAZWOPER certification.

• Experience using ArcGIS, GPS field technologies, and environmental data collection platforms.

• Exposure to environmental consulting, oil and gas operations, or regulatory compliance programs.

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. For US residents, click here to learn more.