Montrose Environmental Group leverages advanced technologies and local expertise to transform environmental responsibility into a strategic asset, addressing complex challenges nationwide.
Little Rock, Arkansas
Onterris (formerly Montrose Environmental Group) was one of the first to see environmental responsibility as not just an imperative but as a strategic asset. And we’re well ahead of the curve in applying the latest technologies in practical ways to solve difficult environmental challenges. How? By building a leadership team with exceptional depth of experience and breadth of expertise. By bringing together a wealth of local knowledge that allows us to address homegrown issues across multiple locations. By removing operational roadblocks that stand in the way of streamlined, hassle-free, nation-spanning implementation. And by investing in assets and technologies that will keep us out in front of emerging environmental concerns for years to come. In short, we approach our job the same way our clients approach theirs: With a sense of urgency, a commitment to adding value, and a stubborn refusal to settle for second-best. All to help the people we partner with identify and seize opportunity.
Remote · United States
Lead the Federal Market strategy for North America to drive bookings and growth across consulting and analysis business lines. Act as a trusted advisor to federal clients and manage key accounts to embed the company as a critical catalyst for environmental performance.
On-site · Calgary
Lead engineering analysis and design for urban drainage and surface water management projects for public and private clients. Responsibilities include conducting complex hydrologic modeling, preparing technical specifications, and collaborating with multi-disciplinary teams.
Remote · Calgary, Alberta, Canada
The role involves actively participating in and driving the company's safety culture while supporting the management of site assessment and remediation project scopes, timelines, and budgets. Responsibilities also include preparing and reviewing technical correspondence, proposals, work plans, cost estimates, and reports for clients.
On-site · Edmonton
Perform field source tests at customer locations following established testing methods and procedures. Responsible for recording accurate test data and preparing necessary equipment, including glassware and calibration.
On-site · Calgary
The role involves creating spatial data, mapping products, and maintaining relational geospatial databases to support various service lines. Additionally, the position requires updating mapping standards and providing occasional support for field activities.
On-site · Oakville
Develop and apply groundwater flow and transport models to support decision-making across various projects. Provide technical oversight, lead client discussions, and manage project scopes and deliverables as a project manager.
Hybrid · Calgary
The role involves managing and providing senior technical input on vegetation and wetland technical work, including assessments, while also supporting business development activities such as proposal creation and cost estimation. Responsibilities also include designing and executing complex biological investigations, overseeing field surveys, and preparing/reviewing technical reports.
On-site · Point Edward
Perform inspections at Oil and Gas facilities and assist in the deployment and testing of air monitoring activities. Responsibilities include collecting emission data, operating technical equipment, and preparing field reports.
On-site · Calgary
The role involves conducting high-quality wildlife field data collection, including nest sweeps and species at risk assessments. It also requires coordinating field logistics, ensuring data quality, and contributing to technical reports and regulatory compliance.
On-site · Grande Prairie
Manage a portfolio of environmental project scopes, schedules, and budgets while coordinating with multi-disciplinary teams. Prepare technical reports, regulatory submissions, and proposals to meet client and provincial requirements.
On-site · Grande Prairie
Assist with Phase II environmental site assessments, remediation, and groundwater monitoring programs. Support soil and vegetation assessments, participate in spill responses, and prepare technical reports.
On-site · Calgary
Perform inspections at oil and gas facilities to identify and quantify hydrocarbon gas leaks and vents. Responsibilities include using OGI cameras, maintaining equipment, and preparing detailed field reports.
Remote · British Columbia, Canada
Lead strategic growth and technical execution of mining hydrogeology services across the entire mine lifecycle from exploration to post-closure. Provide senior technical oversight, mentor staff, and manage relationships with clients and regulatory agencies.
On-site · Calgary
Provide technical expertise and leadership in wildlife biology to deliver high-quality environmental regulatory applications and programs. Manage projects and proposals, including budgeting and resource management, while mentoring junior and intermediate staff.
Hybrid · Guelph
Provide senior technical leadership and oversight for environmental components of complex infrastructure projects under alternative delivery models. Lead the development of environmental deliverables and manage relationships with clients, regulators, and Indigenous communities.
On-site · Calgary
Lead hydrotechnical design from concept through construction, including hazard assessments and the development of hydraulic and hydrologic models. Manage project scopes, budgets, and deliverables while collaborating with multi-disciplinary teams and regulatory agencies.
On-site · Calgary
The Environmental Planner manages regulatory applications and provides strategic guidance to clients to obtain necessary approvals for projects in Western Canada. They lead multi-disciplinary teams, oversee project budgets and schedules, and supervise junior staff to ensure high-quality technical deliverables.
Hybrid · Guelph
Provide strategic and operational leadership for the ARRM Service Line in Ontario, focusing on financial performance and high-quality service delivery. Lead growth initiatives, develop talent, and ensure compliance with safety and company standards.
Remote · Irvine, California, United States, Santa Ana, California, United States, Chicago, Illinois, United States, Deer Park, Texas, United States, Denver, Colorado, United States, Calgary, Alberta, Canada
Lead the operational finance team and strategic finance agenda for the Air Testing business, focusing on FP&A, ROI analysis, and monthly GL close. Drive profitability gains, standardize financial project management in the ERP, and lead financial integration for M&A activities.
On-site · Calgary
The CAD Technologist is responsible for preparing accurate CAD drawings and 3D models for water resources and civil infrastructure projects. This includes producing design and construction packages and coordinating with multi-disciplinary teams to ensure quality deliverables.
