UNKNOWN

FEED

Develop and interpret thermodynamic equilibrium and kinetic-controlled reaction models using PHREEQC; collaborate with hydrology and hydrogeologic models to simulate reactive transport; design and oversee material characterization and field and laboratory testing programs; and evaluate acid rock drainage, metal leaching, mineral solubility, and water chemistry to support predictive and defensible decision-making. You will provide technical direction on conceptual site models and assessment of geochemical systems, oversee data collection and analysis, lead predictive modeling efforts, and contribute to strategic decision-making related to acid rock drainage, metal leaching, mineral solubility, and water quality.

YEAR

Barr Engineering Co

Geochemist - Senior Level (Hybrid)

linkup_via_bold

Assist with and perform component diagnostic, replacement and repairs on, but not limited to the following: power trains, hydraulic systems, electrical low voltage systems, engines, pneumatics / AC systems, and frames. Must have completed academic and practical competencies required (this includes Line of Progression requirements for internal employees where LOP Exists) and have experience demonstrating the required aptitude.

HOUR

Freeport-McMoRan Inc

Mobile Equipment Repair Employee

Operate a variety of heavy equipment while performing mining/reclamation activities including loading, hauling, dumping, grading and dozing on a variety of reclaimed land. Equipment includes but is not limited to electric drive haul trucks, mechanical drive haul trucks, motor graders, dozers, etc.

Kiewit Corp

Equipment Operator - Colowyo Mine 1

Working within our mine waste team on civil and geotechnical engineering projects for the mining industry (including Tailings Storage Facilities (TSF), Heap Leach Pads, and Waste Rock facilities) with opportunities to work on projects in other industries. WSP USA is providing the compensation range that the company in good faith believes it might pay and/or offer for this position within the state of Colorado, based on the successful applicant's education, experience, knowledge, skills, and abilities in addition to internal equity and specific geographic location.

WSP Global Inc

Associate Civil/Geotechnical Engineer (Mine Waste)

Job Description: The Controls Systems Programmer is responsible for supporting and optimizing automation and control systems across the CC&V fixed plant, including crushing circuits, ADR processing facilities, remote pumping systems, and solution treatment operations. Any unsolicited resumes, including those submitted to hiring managers or other business leaders, will become the property of SSR Mining and SSR Mining will have the right to hire that candidate without reservation - no fee or other compensation will be owed or paid to the recruiter, employment agency, or other staffing service.

SSR Mining Inc

Controls Systems Programmer

Perform preventative maintenance including installation, repair and troubleshooting of industrical electrical and/or instrumentation equipment (i.e. substations, power distribution systems, switchgear motors, motor controls, systems and components, process controls, instrumentation and pneumatic equipment). Must have strong knowledge in the maintenance and troubleshooting of AC/DC drives, PLCs, overhead cranes, management control systems, calibration of field transmitters/transducers and weigh scales, and low and medium voltage equipment.

Mine Diagnostic Electrician

Primary Location: United States | AZ | Phoenix Other Locations: United States | CO | Denver Organization: BC-2554 E&R-US Delivery Center Employee Status: Regular Management Level: Individual contributor Business Justification: New Position Travel: No Schedule: Full time Job Posting: 01/06/2026 08:06:05 Req ID: 1006099. You will work closely with engineers, project managers and mining specialists as you develop design concepts, create models, and coordinate designs to consider existing conditions and other discipline requirements.

Stantec Inc

Senior Mechanical Designer - US

Both sites are surrounded by US Forest Service land of the Arapaho National Forest, making it easy for our employees and their families to enjoy year-round hiking, cross-country skiing, and snowshoeing in the area. Must have completed academic and practical competencies required (this includes Line of Progression requirements for internal employees where LOP Exists) and have experience demonstrating the required aptitude.

Underground Mine Production Operator II

Regardless of your role type, collaboration and innovation are critical to our business and all employees will have access to digital tools so they can work with colleagues around the world - and access to Collins sites when their work requires in-person meetings. Our global team is committed to continuous improvement - we work hard to make our solutions lighter-weight, stronger and more technically advanced, so that plane travel can be safer, more affordable and more sustainable in the years to come.

RTX Corp

Program/Process Engineer - VMEA (Onsite)

The Senior Project Scheduler will work closely with engineering, procurement, construction, commissioning, operations, project management, and project controls personnel to support successful project execution from project development through startup and production readiness. The role supports project decision-making by providing timely schedule analysis, identifying schedule risks and opportunities, and promoting alignment among project scope, cost, schedule, and execution strategies.

USA Rare Earth Inc

Senior Project Scheduler

AECOM is seeking a highly motivated Electrical Engineering Discipline Lead with an electrical engineering and instrumentation & controls background to be based in the Denver, Colorado, Salt Lake City, Utah, Phoenix or Tucson, Arizona to support mining projects and to help lead and build a team of electrical engineers to support mining projects. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

<p class="editor-emphasized"><strong>About AECOM</strong></p>
<p class="editor-emphasized">AECOM is a global network of experts working with clients, communities and colleagues to develop and implement innovative solutions to the world&rsquo;s most complex challenges.</p>
<p>Delivering clean water and energy. Building iconic skyscrapers. Planning new cities. Restoring damaged environments. Connecting people and economies with roads, bridges, tunnels and transit systems. Designing parks where children play. Helping governments maintain stability and security.</p>
<p>We connect expertise across services, markets, and geographies to deliver transformative outcomes. Worldwide, we design, build, finance, operate and manage projects and programs that unlock opportunities, protect our environment and improve people&rsquo;s lives.</p>
<p>Imagine it. Delivered.</p>
<p>&lt;iframe width="731" height="411" src="<a href="https://www.youtube.com/embed/r59sdFbjyck">https://www.youtube.com/embed/r59sdFbjyck</a>" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen&gt;&lt;/iframe&gt;</p>
<div class="fast-facts">
<h2>Fast Facts:</h2>
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<p class="dpc">Approximately $20.2 billion of revenue during fiscal year 2018</p>
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<p class="dpc">Ranked #1 in Transportation and General Building in <em>Engineering News-Record</em>&rsquo;s 2018 &ldquo;Top 500 Design Firms&rdquo;</p>
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<li>Named one of <em>Fortune</em> magazine's "World's Most Admired Companies" for the fifth consecutive year <br class="dpc" /><br class="dpc" /><img class="wp-image-38775 alignleft" src="https://www.aecom.com/content/wp-content/uploads/2018/02/WMAC2018.jpg" alt="WMAC2018" width="97" height="90" /><br class="dpc" /><br class="dpc" />
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<p class="alignleft dpc" style="font-size: 10px;">&copy;2018 Time Inc. Used under license.</p>
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AECOM

Electrical Engineering Discipline Lead

This role's responsibilities include operation of multiple pieces of mining equipment; Haul Trucks, Dozers, Graders, Excavators, and other support equipment to assistin the extraction and handling of materials, contributing directly to the success of the mine's operations. If you are selected for a position in the United States, your employment will be contingent upon submission to and successful completion of a post-offer/pre-placement drug test (and alcohol screening/medical examination if required by the role) as well as pre-placement verification of the information and qualifications provided during the selection process.

Thiess

Expression of Interest: Heavy Equipment Operator

GreenHouseAPI

The preferred candidate will have extensive field experience working at Superfund and other contaminated sites, running complex field programs, preparing planning documents and preparing reports for environmental characterization and remediation projects. As a member of this team, you would contribute to CDM Smith's mission by: Experience supporting environmental investigations, site characterization, remediation, reclamation, or closure activities at active, inactive, or legacy mining sites.

CDM Smith Inc

Geologist 6

OTHER

CDM Smith

[AW]-iCims

Collaborate with other Planners and first line supervisors in the long-range planning and scheduling for planned major production shutdowns and long-range planning, including but not limited to, job identification, job priority, resource requirements, materials requirements, budget forecasts and interdepartmental coordination. High School diploma or GED and six (6) years specific experience in field maintenance in mining/mfg or industrial operations or six (6) years specific Planning experience in field maintenance in either mining/manufacturing or industrial operations, OR.

Planner II - Mill Maintenance

The successful candidate will assist with developing and implementing best-in-class engineering practices, tools, and innovations, ensuring the timely and successful delivery of technical solutions that meet or exceed client expectations, and will include the ability to make influential decisions within the Hoisting and Shaft design space at Stantec. This role involves working independently or leading hoisting and shaft design work on complex, large-scale, iconic, deep-level projects across the full project lifecycle, and includes some flagship projects as well as international exposure.

Mine Hoisting and Shaft Specialist Design Engineer

This role involves the direct Management of a team of hoisting and shaft design people, for large-scale, iconic, deep-level projects across the full project lifecycle, and includes some flagship projects as well as international exposure. Clear Communication & Accountability - Establish structured communication, ensuring issues, decisions, and actions are tracked and closed out, act as the bridge between engineers, management, and clients, and maintain team discipline and drive accountability with clear roles and responsibilities.

Manager of Mine Hoisting and Shafts

Job Summary: The Field Engineer is responsible for surveying, measurements, data collection, record keeping, construction oversight, materials testing, project design and implementation, and reporting to appropriate managers work progression. Education and Experience: • Bachelor’s Degree majoring in Civil or Mine Engineering, Construction Management, or Geology (emphasis on mining) or three (3) years of related surveying, mining, construction inspection, or civil infrastructure experience.

LG Everist

Field Engineer

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The successful candidate will: Be responsible for leading the North American resource geology, mining (open pit and underground), advisory services, and mineral processing teams, providing technical and economic solutions related to energy, mining, mineral processing, technical due diligence, and financial analysis. Possess a passion for leading and developing high performing teams, serving as a technical lead on multi-disciplinary mining projects, and supporting business development functions of existing and new clients working closely with sector leaders.

Mine Technical Services Manager

The role is well‑suited for an engineer who enjoys combining technical depth with leadership-developing client relationships, leading and reviewing complex geotechnical work from investigation through detailed design, preparing scopes, budgets, and schedules, and mentoring junior and intermediate engineers. Primary Location: United States | CO | Denver Other Locations: United States | AZ | Phoenix Organization: BC-2242 E&R-US Northwest Employee Status: Regular Business Justification: New Position Travel: Yes Schedule: Full time Job Posting: 17/08/2026 09:08:14 Req ID: 1007142.

Mining Jobs in Colorado

Geochemist - Senior Level (Hybrid) Barr Engineering Co

Mobile Equipment Repair Employee Freeport-McMoRan Inc

Equipment Operator - Colowyo Mine 1 Kiewit Corp

Associate Civil/Geotechnical Engineer (Mine Waste) WSP Global Inc

Controls Systems Programmer SSR Mining Inc

Mine Diagnostic Electrician Freeport-McMoRan Inc

Senior Mechanical Designer - US Stantec Inc

Underground Mine Production Operator II Freeport-McMoRan Inc

Program/Process Engineer - VMEA (Onsite) RTX Corp

Senior Project Scheduler USA Rare Earth Inc

Electrical Engineering Discipline Lead AECOM

Expression of Interest: Heavy Equipment Operator Thiess

Geologist 6 CDM Smith Inc

Geologist 6 CDM Smith

Planner II - Mill Maintenance Freeport-McMoRan Inc

Mine Hoisting and Shaft Specialist Design Engineer Stantec Inc

Manager of Mine Hoisting and Shafts Stantec Inc

Field Engineer LG Everist

Mine Technical Services Manager Stantec Inc

Sr Geotechnical Engineer Stantec Inc

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