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Air Quality Modeler
Jacobs$62K - $91KFull Time
Perform air dispersion modeling and consulting for air permitting projects.
Irvine, CA
3 days ago
Hybrid
aermod
harp2
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Senior Staff Engineer or Scientist
Geosyntec Consultants$71K - $107KFull Time
Assess chemical risks, conduct research, and support environmental consulting projects.
Costa Mesa, CA
5 days ago
Hybrid
risk calculations
data analysis
exposure assessment
pfas
aquatic toxicity
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Senior Inventory Technician
Montrose Environmental Group$25 - $27Full Time
Conduct LDAR equipment inspections, calibrations, and inventory management with extensive travel.
Santa Ana, CA
6 days ago
Field
calibration testing
drift assessment
field inspections
ldar experience
driver’s license
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Municipal Stormwater Manager
Michael Baker International$150K - $205KFull Time
Lead municipal stormwater projects, manage H&H modeling, staff, and client relations.
Santa Ana, CA
6 days ago
Hybrid
technical management
h&h modeling
design development
ca pe
arcgis
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Air Quality and Noise Manager
Michael Baker International$136K - $190KFull Time
Lead technical services for air quality, noise, GHG, and climate planning projects.
Santa Ana, CA
11 days ago
Hybrid
emissions modeling
regulatory compliance
project planning
noise modeling
soundplan
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Environmental Intern / Co-op - Summer 2026
Langan Engineering & Environmental Services$24 - $31Internship
Assist with environmental fieldwork, data analysis, and report preparation for land development projects.
Irvine, CA
11 days ago
Field
field testing
lab summaries
log preparation
gis
microsoft office
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Surface Water Environmental Associate
Michael Baker International$56K - $82KFull Time
Perform stormwater compliance, field inspections, and permit prep for CA projects.
Santa Ana, CA
12 days ago
Hybrid
data analysis
autocad drafting
gis mapping
autocad
arcgis
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Principal Consultant, Life Cycle Assessment & Decarbonization
Geosyntec Consultants$134K - $205KFull Time
Lead LCA & decarbonization consulting, business development, and project management.
Costa Mesa, CA
12 days ago
Office Full-Time
lca modeling
carbon quantification
project management
greet model
simapro
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Regional Environmental Manager
Qcells Usa Corp.Oversee regional environmental compliance for solar PV and BESS projects.
Irvine, CA
17 days ago
Hybrid
compliance reporting
permit review
regulatory liaison
nrep certified
procore
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Environmental Practice Leader - PFAS
Langan Engineering & Environmental Services$150K - $200KFull Time
Lead and grow Langan's national PFAS remediation practice, overseeing projects and client relations.
Irvine, CA
18 days ago
Field
field work
lab testing
pilot studies
15+ years
p.e.
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