Decommissioning Manager Jobs in Colorado (NOW HIRING)

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.

Our Project Environmental Professional (Scientist, Geologist, Engineer) position will support project work for a large oil/gas client located in Colorado centering around decommissioning, remediation, and regulatory compliance.

This position will have a combination of field/office and will have a strong regulatory compliance aspect. It is fast-paced, technical in nature, and involves regulatory understanding.

The annual compensation range for this role is $70,000 to $95,000, commensuratewith experience, skills, and geographic location.

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

• Provide support to project management teams moving oil and gas sites through the decommissioning and remediation process towards regulatory closure.

• Prepare and manage regulatory reporting deliverables, including Colorado ECMC Form 27 Site Investigation and Remediation Workplans, ensuring technical accuracy, completeness, and regulatory compliance.

• Manage multiple project tasks simultaneously; serve as a field lead on select projects and mentor technicians and staff.

• Lead and support environmental field activities, including soil and groundwater sampling, subsurface investigations, and data collection.

• Oversee drilling subcontractors, maintain accurate boring logs, and support proper monitoring well design and installation.

• Apply relevant regulatory standards and technical guidance to project work.

• Track project hours and manage time effectively to meet scope, schedule, and budget expectations.

• Communicate proactively with project managers regarding schedule, budget, or technical challenges.

• Interface with clients to provide project updates and support client needs.

• Assist with cost proposal development and scope definition based on project requirements.

• Maintain confidentiality and adhere to company policies and procedures.

• Follow company safety programs and OSHA regulations; participate in required safety training.

• Perform 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 Geology, Environmental Science, Engineering or related field. Master's a plus.

• 4-7+ years of related environmental experience.

• Experience with soil and groundwater sampling and drilling oversight.

• Valid driver's license; ability to pass background, MVR, and drug screening.

• 40hour OSHA HAZWOPER (current 8hour refresher).

• Proficiency with Microsoft Office / Google Suite; familiarity with AutoCAD, ArcGIS, or similar tools.

• Strong technical writing, analytical, organizational, and timemanagement skills.

• Effective verbal and written communication; ability to work independently and collaboratively.

• Ability to perform outdoor field work, lift up to 50 lbs., and travel locally with occasional overnight stays.

Preferred

• PG or PE license.

• Experience with groundwater fate and transport modeling.

• Familiarity with Colorado ECMC regulations.

• Form 19 and Form 27 Experience a plus.

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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.