1,225 Results for

Senior Environmental Jobs in Ontario, CA

Jobs

Senior Chemical/Environmental Engineer or Environmental Scientist 2 Haley & Aldrich Inc

Costa Mesa, CA

$105,000–$170,000 / year

We are seeking an experienced and accomplished Senior Chemical/Environmental Engineer or Environmental Scientist 3 (specializing in Environmental Health & Safety (EHS) Regulatory Compliance) to lead high-performing teams, cultivate deep client relationships, and deliver innovative solutions. 15+ years of experience in EHS regulatory compliance, RCRA compliance, or related technical areas, with a proven track record of driving business growth through client relationships and leadership in complex projects.

30+ days ago

SENIOR ENVIRONMENTAL SCIENTIST (SPECIALIST) State Of California

San Bernardino, CA

$8,055–$11,054 / year

In this role, you will collaborate directly CDFW and SCE staff to permit projects that balance habitat form and function in both terrestrial and aquatic ecosystems, supporting the recovery of declining species and enhancing ecological resilience, when California's public trust resources are affected by SCE's work under Fish and Game Code and CEQA. The Inland Deserts Habitat Conservation Program is seeking a Senior Environmental Scientist (Specialist) to work throughout Region 6 as part of a Southern California team advancing compliance with Southern California Edison's (SCE) projects on public and private lands.

8 days ago

Senior Geologist/Senior Environmental Scientist/Professional Engineer Hydro-Environmental Technologies

Los Angeles, California

Remote

The tools of our trade are environmental site and indoor air quality assessments, risk characterizations, remediation technologies, emergency response services, occupational health and safety services, loss control surveys, risk management consulting, safety services, and litigation/expert witness support. The candidate should have experience managing consulting assignments, must work effectively in multi-disciplinary teams, is expected to be proficient in the analysis and communication of information, and must be able to work cooperatively with agencies, organizations, and individuals to guide decision-making.

13 days ago

Senior Environmental Scientist III PBS Engineering and Environmental Inc.

Fullerton, CA

$83,000–$125,000 / year

Responsible for assisting municipal, utility, industrial, and commercials clients with stormwater planning and compliance efforts associated with Phase I and II Municipal Separate Storm Sewer System (MS4) Permits, the Construction General Permit (CGP), and Industrial General Permit (IGP). Fueled by high-quality delivery, exceptional client retention, and strategic acquisitions, Apex Companies continues to rank among the fastest-growing firms in the AEC industry, recently recognized by the Zweig Group for our industry-leading growth.

30+ days ago

Senior Environmental Scientist III Apex Companies

Fullerton, California

30+ days ago

Senior Environmental Health & Safety (EHS) Specialist Serve Robotics

Los Angeles, California

Design, develop, and deliver EHS training programs for employees, contractors, and visitors, covering topics including general safety orientation, machinery and equipment safety, hazardous materials handling, PPE use, emergency procedures, and job-specific hazard awareness. This is a senior individual contributor role requiring deep expertise across workplace safety, regulatory compliance, machinery and equipment safety, and EHS education, with direct responsibility for ensuring our teams integrate safety into their daily work.

30+ days ago

Senior Project Environmental Engineer, Scientist, or Geologist Langan Engineering & Environmental Services

Irvine, California

$117,000–$171,000 / year

Bachelor’s degree in Environmental Engineering, Geology, Hydrogeology, or Science; Master’s degree preferred; In-depth knowledge and understanding of EPA, CERCLA, and RCRA regulations; 10+ years of practical experience with environmental investigations and remediation projects; Professional Geologist (PG) or Professional Engineer (PE) required; Strong people, project, and client management skills; Knowledge of quantitative/technical analyses and related software; Excellent public speaking, written, and verbal communication skills; Strong attention to detail with excellent analytical, multitasking, and judgment capabilities; Ability to effectively work independently and in a team environment; and. Perform complex analyses for specific portions of broader engineering and environmental projects; Participate in the identification and pursuit of new clients, develop additional work within an existing project and attend business development meetings with new and existing clients; Provide direct oversight and management of junior staff for specific project assignments.

30+ days ago

Senior Environmental Planner/Project Manager - Energy AECOM

Orange, CA

6 years of relevant experience or demonstrated equivalency of experience and/or education in electric transmission and renewable energy (e.g., solar, wind, energy storage) through preparing CEQA and/or NEPA documents, routing and siting analysis, critical issues analysis, land use entitlement applications and/or overseeing multi-disciplinary technical teams for resource technical studies and permitting. 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.

16 days ago

Analytical Environmental Senior Scientist (M.S. or Ph.D.) Exponent Inc

Pasadena, CA

$112,000–$137,000 / year

For over five decades, we''ve connected the lessons of past failures with tomorrow''s solutions to advise clients as they innovate technologically complex products and processes, ensure the safety and health of their users, and address the challenges of sustainability. To learn more about life at Exponent and our impact, please visit the following links: https://www.exponent.com/careers/life-exponent https://www.exponent.com/company/our-impact .

30+ days ago

Senior Environmental Geologist GSI Environmental

Irvine, CA

The ideal candidate will have least 10 years of experience designing and executing site characterization projects, including developing work scopes and budgets, managing internal staff and subcontractors, and communicating (written and oral) with clients and other stakeholders. In addition, the ideal candidate will possess strong leadership, communication, and team-building skills to support growth in our Irvine office and our overall California practice.

30+ days ago

Senior Environmental Planning Project Manager HDR Inc

Los Angeles, CA

$147,000–$212,000 / year

States-California-Los Angeles'',''United States-California-Los Angeles'',''United States-California-Long Beach, United States-California-Riverside, United States-California-San Diego'',''United States-California-Long Beach, United States-California-Riverside, United States-California-San Diego'','''','''','''','''','''','''',''Environment/Sciences'',''Environment/Sciences'',''Full-time'',''Full-time'',''Regular'',''Regular'','''','''',''Environmental Planning'',''Environmental Planning'',''Sep 11, 2026'',''Sep 11, 2026'',''false'',''791116'',''791116'',''true'',''791116'',''false'',''Submission for the position: Senior Environmental Planning Project Manager - (Job Number: 196177)'',''false'',''791116'',''false'',''true''. '',''We provide a comprehensive benefits package that promotes employee ownership, employee health, performance, and success, which includes medical, dental, vision, short and long-term disability, life insurance, an employee assistance program, paid time away, parental leave, paid holidays, a retirement savings plan with employer match, employee referral bonus and tuition reimbursement.

30+ days ago

Senior Environmental Compliance Project Manager Dudek

Pasadena, California

$110,000–$150,000 / year
Full time

You will lead compliance efforts for projects including utility-scale solar, battery energy storage systems (BESS), transmission and linear infrastructure, and other renewable energy developments, coordinating closely with multidisciplinary teams, contractors, and regulatory agencies. A minimum of at least 12 years of combined experience leading teams in complex project due-diligence, large infrastructure project management, preparing permitting and environmental documents, managing, and supervising staff, and overseeing technical quality.

30+ days ago

Consulting Senior Associate, Environmental Health and Safety (EHS) Compliance Environmental Resources Management, Inc.

Irvine, CA

Full time

As the largest global pure play sustainability consultancy, we partner with the world’s leading organizations, creating innovative solutions to sustainability challenges and unlocking commercial opportunities that meet the needs of today while preserving opportunity for future generations. In this role, you will partner closely with Project Managers and technical experts to deliver EHS compliance, sustainability, and transaction-related due diligence projects for leading industrial, technology, healthcare, and global clients.

10 days ago

Environmental Sr. Project Manager Essel

Santa Ana, CA

This is a seller-doer role responsible for strategic planning, business development, client management, and successful project execution across Federal, commercial, and private sector markets. We are seeking a professional, motivated, and knowledgeable Senior Project Manager to support environmental construction, remediation, and infrastructure projects throughout the Pacific/Western Region.

30+ days ago

Consulting Senior Associate, Environmental Health and Safety (EHS) Compliance ERM International Group Ltd

Los Angeles, CA

$71,800–$90,500 / year

Who We Are: As the largest global pure play sustainability consultancy, we partner with the world's leading organizations, creating innovative solutions to sustainability challenges and unlocking commercial opportunities that meet the needs of today while preserving opportunity for future generations. In this role, you will partner closely with Project Managers and technical experts to deliver EHS compliance, sustainability, and transaction-related due diligence projects for leading industrial, technology, healthcare, and global clients.

10 days ago

Consulting Senior Associate, Environmental Health and Safety (EHS) Compliance ERM

Irvine, California

11 days ago

Senior Environmental Planner LSA's Irvine office

Irvine, California

Remote

Working independently and under the direction of a Project Manager, the Senior Environmental Planner will work collaboratively with colleagues and clients to prepare technical reports and environmental documentation, primarily in compliance with the California Environmental Quality Act (CEQA) and National Environmental Policy Act (NEPA) for both public and private projects (e.g., transportation/transit, residential and commercial developments, utility corridors, parks, schools, and open space). In addition, candidate must have experience overseeing all aspects of a project, including leading client and regulatory agency meetings; coordinating reviews with environmental and technical staff; scoping projects for the appropriate level of environmental review, budget control, and invoicing; maintaining schedules; managing subconsultants; and providing overall quality control.

30+ days ago

Senior Managing Consultant, Environmental Services Sidara

Los Angeles, California

$160,000–$180,000 / year

Serving airports and other aviation clients for more than 70 years across all seven continents, our aviation consulting practice includes both planning and development services that span activation planning, airfield and airspace, business and finance, commercial development, environmental, ground transportation, master planning and strategy, terminal planning and design. Technical Center of Excellence: Serve as a national authority for airport environmental issues, overseeing and advising on Environmental Impact Statements (EIS), Environmental Assessments (EA), and Categorical Exclusions (CatEx) for major airport capital programs.

30+ days ago

Senior Technical Lead - Environmental Assessment The Kleinfelder Group Inc

Los Angeles, CA

$131,248–$182,874 / year

From environmental planning, permitting, remediation, and site characterization to chemical data management and hydrogeology, Kleinfelder offers a variety of services designed to provide technically appropriate and cost-effective solutions. Oversee environmental site assessments, soil, soil gas, and groundwater assessments, feasibility studies, remedial action plans, remediation system design/operation, construction, multi-media compliance efforts, and other supporting technical studies.

17 days ago

Senior Technical Lead – Environmental Assessment Kleinfelder Inc

Los Angeles, California

$131,248–$182,874 / year
Full time

19 days ago

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Senior Environmental Jobs in Ontario, CA

Senior Chemical/Environmental Engineer or Environmental Scientist 2 Haley & Aldrich Inc

SENIOR ENVIRONMENTAL SCIENTIST (SPECIALIST) State Of California

Senior Geologist/Senior Environmental Scientist/Professional Engineer Hydro-Environmental Technologies

Senior Environmental Scientist III PBS Engineering and Environmental Inc.

Senior Environmental Scientist III Apex Companies

Senior Environmental Health & Safety (EHS) Specialist Serve Robotics

Senior Project Environmental Engineer, Scientist, or Geologist Langan Engineering & Environmental Services

Senior Environmental Planner/Project Manager - Energy AECOM

Analytical Environmental Senior Scientist (M.S. or Ph.D.) Exponent Inc

Senior Environmental Geologist GSI Environmental

Senior Environmental Planning Project Manager HDR Inc

Senior Environmental Compliance Project Manager Dudek

Consulting Senior Associate, Environmental Health and Safety (EHS) Compliance Environmental Resources Management, Inc.

Environmental Sr. Project Manager Essel

Consulting Senior Associate, Environmental Health and Safety (EHS) Compliance ERM International Group Ltd

Consulting Senior Associate, Environmental Health and Safety (EHS) Compliance ERM

Senior Environmental Planner LSA's Irvine office

Senior Managing Consultant, Environmental Services Sidara

Senior Technical Lead - Environmental Assessment The Kleinfelder Group Inc

Senior Technical Lead – Environmental Assessment Kleinfelder Inc

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