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Sigma Earth
Sigma Earth
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Eastern, KY
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New York, NY
Northern, KY
Alexandria, VA
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Occupational Health and Safety Specialists
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Sustainability Specialists
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67
jobs
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Sigma Earth
in last 30 days
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Last 30 days
Waste Coordinator-Tualatin
APPLY
Sigma Earth
Tualatin, OR
L4 Mid
October 6th, 2026
Recycling Coordinators
Solid Waste Collection
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On-site Environmental Scientist, Engineer, and Technical Specialist
APPLY
Sigma Earth
Brooklyn, NY
L5 Senior
October 6th, 2026
Environmental Scientists and Specialists, Including Health
Other Scientific and Technical Consulting Services
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Mid-Level NPDES Permit Writer & Environmental Scientist
APPLY
Sigma Earth
Fairfax, VA
L5 Senior
October 6th, 2026
Environmental Scientists and Specialists, Including Health
Environmental Consulting Services
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Senior Grid Policy Leader - RTO & FERC Advocacy (Remote)
APPLY
Sigma Earth
Northern, KY
Remote
L7 Manager
October 22nd, 2026
Climate Change Policy Analysts
Other Social Advocacy Organizations
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Senior QHSE Manager - Renewable Energy Projects
APPLY
Sigma Earth
Brooklyn, NY
L5 Senior
October 8th, 2026
Occupational Health and Safety Specialists
Other Electric Power Generation
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Global head of sustainability advisory
APPLY
Sigma Earth
New York, NY
L7 Manager
October 8th, 2026
Chief Sustainability Officers
Other Scientific and Technical Consulting Services
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Lead SAF Plant Operations & Reliability
APPLY
Sigma Earth
Moses Lake, WA
L6 Lead
October 10th, 2026
General and Operations Managers
Other Support Activities for Air Transportation
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Managing Consultant, Environmental Air Quality
APPLY
Sigma Earth
Eastern, KY
L5 Senior
October 22nd, 2026
Environmental Scientists and Specialists, Including Health
Administration of Air and Water Resource and Solid Waste Management Programs
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Municipal Senior Water/Wastewater Engineer
APPLY
Sigma Earth
Eastern, KY
L6 Lead
October 8th, 2026
Water/Wastewater Engineers
Engineering Services
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Plant Operations Manager (Jet Fuel Plant)
APPLY
Sigma Earth
Moses Lake, WA
L7 Manager
October 10th, 2026
General and Operations Managers
Other Nonscheduled Air Transportation
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Waste Management Coordinator - Entry Level
APPLY
Sigma Earth
Livermore, CA
L4 Mid
October 23rd, 2026
Recycling Coordinators
Administration of Air and Water Resource and Solid Waste Management Programs
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Senior QHSE Manager - Renewable Energy Projects
APPLY
Sigma Earth
Union, MO
L5 Senior
October 14th, 2026
Occupational Health and Safety Specialists
Other Electric Power Generation
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Senior QHSE Manager - Renewable Energy Projects
APPLY
Sigma Earth
Northern, KY
L5 Senior
October 14th, 2026
Occupational Health and Safety Specialists
Other Electric Power Generation
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Senior OSH Manager for DoD & Industrial Safety
APPLY
Sigma Earth
Alexandria, VA
L7 Manager
October 6th, 2026
Occupational Health and Safety Specialists
National Security
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Senior Environmental Consulting Lead & Client Growth Partner
APPLY
Sigma Earth
Richmond, LA
L5 Senior
October 16th, 2026
Environmental Scientists and Specialists, Including Health
Environmental Consulting Services
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Senior Sustainability Reporting Lead - GRESB & ESG Strategy
APPLY
Sigma Earth
Eastern, KY
L5 Senior
October 22nd, 2026
Sustainability Specialists
Environmental Consulting Services
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Consultant, Air Quality
APPLY
Sigma Earth
Eastern, KY
L5 Senior
October 22nd, 2026
Environmental Scientists and Specialists, Including Health
Other Scientific and Technical Consulting Services
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Sigma Earth is hiring: Entry-Level Occupational Safety and Health Data Analyst in Brooklyn
APPLY
Sigma Earth
Brooklyn, NY
L3 Junior
October 6th, 2026
Occupational Health and Safety Specialists
Other Scientific and Technical Consulting Services
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Staff Mechanical Engineer, Hydrogen System
APPLY
Sigma Earth
Eastern, KY
L5 Senior
October 8th, 2026
Mechanical Engineers
Engineering Services
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Senior Energy Transactions Lead, DG Solutions
APPLY
Sigma Earth
Eastern, KY
L5 Senior
October 3rd, 2026
Solar Energy Systems Engineers
Investment Banking and Securities Intermediation
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Remote OSH Data Analyst (Entry-Level)
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Sigma Earth
Brooklyn, NY
Remote
L3 Junior
October 8th, 2026
Occupational Health and Safety Specialists
Other Scientific and Technical Consulting Services
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Senior Consultant, Air Quality Compliance Engineering
APPLY
Sigma Earth
Maricopa, AZ
L5 Senior
October 28th, 2026
Environmental Scientists and Specialists, Including Health
Environmental Consulting Services
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Senior Air Quality & Permitting Strategy Consultant
APPLY
Sigma Earth
Louisiana, MO
L5 Senior
October 29th, 2026
Environmental Scientists and Specialists, Including Health
Other Scientific and Technical Consulting Services
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Global Sustainability Advisory Leader - Drive Impact & Growth
APPLY
Sigma Earth
Brooklyn, NY
L7 Manager
October 27th, 2026
Chief Sustainability Officers
Environmental Consulting Services
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Principal, Environmental Consulting
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Sigma Earth
New York, NY
L6 Lead
October 24th, 2026
Environmental Engineers
Environmental Consulting Services
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Senior sustainability advisor (Engagement manager – Jr. partner level)
APPLY
Sigma Earth
Millbrae, CA
L6 Lead
October 10th, 2026
Sustainability Specialists
Other Scientific and Technical Consulting Services
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Senior sustainability advisor (Engagement manager - Jr. partner level)
APPLY
Sigma Earth
New York, NY
L6 Lead
October 9th, 2026
Sustainability Specialists
Other Scientific and Technical Consulting Services
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Staff Mechanical Engineer, Hydrogen System
APPLY
Sigma Earth
Charleston, WV
L5 Senior
October 19th, 2026
Mechanical Engineers
Engineering Services
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Corporate QHSE Manager
APPLY
Sigma Earth
Union, MO
L5 Senior
October 14th, 2026
Occupational Health and Safety Specialists
Other Electric Power Generation
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Corporate QHSE Manager
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Sigma Earth
Northern, KY
L5 Senior
October 14th, 2026
Occupational Health and Safety Specialists
Other Electric Power Generation
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Occupational Safety and Health Manager
APPLY
Sigma Earth
Alexandria, VA
L7 Manager
October 8th, 2026
Occupational Health and Safety Specialists
Other Scientific and Technical Consulting Services
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Senior Water & Wastewater Engineer — Municipal Infrastructure
APPLY
Sigma Earth
Brooklyn, NY
L6 Lead
October 8th, 2026
Water/Wastewater Engineers
Water Supply and Irrigation Systems
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Municipal Senior Water/Wastewater Engineer
APPLY
Sigma Earth
Brooklyn, NY
L6 Lead
October 8th, 2026
Water/Wastewater Engineers
Engineering Services
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InSite Operations Manager - Hazardous Waste
APPLY
Sigma Earth
Eastern, KY
L4 Mid
October 20th, 2026
Occupational Health and Safety Specialists
Hazardous Waste Treatment and Disposal
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Manager, strategy & operations - sustainability advisory
APPLY
Sigma Earth
Eastern, KY
L7 Manager
October 20th, 2026
General and Operations Managers
Administrative Management and General Management Consulting Services
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EMEA Sustainability Lead: Strategy, Carbon & Stakeholders
APPLY
Sigma Earth
Eastern, KY
L6 Lead
October 20th, 2026
Chief Sustainability Officers
Environmental Consulting Services
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Senior QHSE Manager - Renewable Energy Projects
APPLY
Sigma Earth
Eastern, KY
L5 Senior
October 22nd, 2026
Occupational Health and Safety Specialists
Other Electric Power Generation
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Staff Mechanical Engineer - Hydrogen Systems
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Sigma Earth
Eastern, KY
L5 Senior
October 8th, 2026
Mechanical Engineers
Engineering Services
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Senior Geothermal Drilling Engineer Field Leader
APPLY
Sigma Earth
Eastern, KY
L5 Senior
October 22nd, 2026
Earth Drillers, Except Oil and Gas
Geothermal Electric Power Generation
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Air Quality Monitoring Technician
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Sigma Earth
Irvine, CA
L5 Senior
October 15th, 2026
Environmental Science and Protection Technicians, Including Health
Other Scientific and Technical Consulting Services
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