All jobs
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Intern-IEC Engineer
Tallgrass
Full-time
On-site
Lakewood, Colorado, United States
$26.18 - $37.09 USD hourly
2 days
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Engineer-Air Compliance, Sr
Tallgrass
Full-time
On-site
Lakewood, Colorado, United States
$140,015 - $169,716 USD yearly
2 days
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Project Manager - CSS
Tallgrass
Full-time
On-site
Lakewood, Colorado, United States
2 days
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Senior Project Manager - Science & Technology
Stantec
Full-time
On-site
Denver, Colorado, United States
6 days
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Project Manager, PSG
CleanHarbors
Full-time
On-site
Denver, Colorado, United States
$80,000 - $110,000 USD yearly
8 days
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R
2027 Summer Intern, Real Estate Economics & Consulting
RCLCO
On-site
Austin / Los Angeles / Washington, D.C.
5 days
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Director of Employee Experience
Sierra Club
On-site
Washington, DC
7 days
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Editorial Fellow
Sierra Club
On-site
Remote
7 days
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Legislative Director
Sierra Club
On-site
Atlanta, GA
7 days
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Community Fundraising Manager
Conservation Colorado
Full-time
Remote friendly (Denver, Colorado, United States)
United States
$80,000 - $90,000 USD yearly
8 days
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Campaign Organizing Strategist
Sierra Club
On-site
Remote
20 days
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R
2027 Summer Intern, Investments & Portfolio Management
RCLCO
On-site
Los Angeles
14 days
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Advancement Director, West
Sierra Club
On-site
Portland, OR
22 days
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Quality Engineering Technician II (Receiving/Inspection)
Frontgrade Technologies
Full-time
On-site
Colorado Springs, Colorado, United States
16 days
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Urban Planner / Designer
ICF
Full-time
Hybrid
US-CO and US-MA
$60,967 - $103,643 USD yearly
15 days
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Substation Project Engineer
WSP
Full-time
On-site
Lakewood, Colorado, United States
20 days
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Chapter Director
Sierra Club
On-site
Los Angeles, CA
20 days
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Water/Wastewater Project Manager
RESPEC
Full-time
On-site
Denver, Colorado, United States
$100,000 - $155,000 USD yearly
21 days
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Water/Wastewater Project Engineer
RESPEC
Full-time
On-site
Denver, Colorado, United States
$100,000 - $155,000 USD yearly
21 days
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Water/Wastewater Engineer
RESPEC
Full-time
On-site
Denver, Colorado, United States
$80,000 - $110,000 USD yearly
21 days
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Early Career Substation Electrical Engineer
WSP
Full-time
On-site
Lakewood, Colorado, United States
$76,800 - $93,800 USD yearly
22 days
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Associate Press Secretary
Sierra Club
On-site
Remote
28 days
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Director of Social Media
Sierra Club
On-site
Oakland, CA
21 days
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Student Engineering Intern - Water/Wastewater
RESPEC
Internship
On-site
Denver, Colorado, United States
$21 - $25 USD hourly
23 days
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Student Engineering Intern - Water/Wastewater
RESPEC
Internship
On-site
Colorado Springs, Colorado, United States
$21 - $25 USD hourly
23 days
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Renewable Energy Project Manager, West Region Development
Scout Clean Energy
Contract
On-site
Boulder, Colorado, United States
$110,000 - $140,000 USD yearly
24 days
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Associate Project Manager - Services
RES
Full-time
Remote
United States
$70,000 - $88,000 USD yearly
27 days
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Regional Campaign Manager (Southwest)
Greenlight America
Full-time
Remote
Worldwide
$75,000 - $100,000 USD yearly
21 days
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Senior Construction Estimator/Project Manager – Remote Denver, CO
Goldstone Partners
Contract
Remote
United States
$65 - $75 USD hourly
26 days
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Renewable Energy Systems Engineer
WSP
Full-time
On-site
Boulder, Colorado, United States
$78,600 - $121,000 USD yearly
27 days
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Civil Engineer – Entry Level (Hybrid)
Barr Engineering Co
Full-time
On-site
Denver, Colorado, United States
$70,000 - $85,000 USD yearly
28 days
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Structural Engineer (PE)
RESPEC
Full-time
On-site
Denver, Colorado, United States
$115,000 - $121,000 USD yearly
29 days
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Structural Engineer (PE)
RESPEC
Full-time
On-site
Denver, Colorado, United States
$98,000 - $111,000 USD yearly
29 days
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Sustainability & Energy Engineering New Graduate
IMEG Consultants
Full-time
On-site
Denver, Colorado, United States
$76,000 - $86,000 USD yearly
30 days
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Outdoors Alliance for Kids Intern
Sierra Club
On-site
Washington, DC
28 days
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Specialty Engineering and Consulting Intern - CSU Career Fair
Terracon
Full-time
On-site
Fort Collins, Colorado, United States
1 month
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Experienced Environmental Scientist – Site Characterization, Remediation, and Emerging Contaminants
Geosyntec Consultants
Full-time
On-site
Lakewood, Colorado, United States
$97,030 - $97,030 USD yearly
1 month
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Facilities Project Manager
NRO
Full-time
On-site
Aurora, Colorado, United States
$118,675 - $154,280 USD yearly
2 months
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Forestry Project Manager
Markit! Forestry Management
Full-time
On-site
Colorado Springs, Colorado, United States
$75,000 - $100,000 USD yearly
2 months
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