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Weekend Environmental Engineer Jobs in California

Qualifications Bachelor's degree in Civil, Environmental or Chemical Engineering or related discipline. Certification as an Engineer in Training (EIT) or passing the Fundamentals of Engineering (FE ...

We are currently seeking an Environmental Engineer to support a wide variety of water projects and can sit in Los Angeles or Irvine CA. The preferred candidates will have a strong background in ...

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Weekend Environmental Engineer information

What is the difference between Weekend Environmental Engineer vs Part-Time Environmental Technician?

AspectWeekend Environmental EngineerPart-Time Environmental Technician
CredentialsBachelor's degree in environmental engineering or related field; Professional Engineer (PE) license preferredAssociate's or Bachelor's degree in environmental science or related field; certifications like OSHA or HAZWOPER are common
Work EnvironmentProject sites, laboratories, offices, often on weekends or flexible hoursField sites, laboratories, offices, typically part-time hours including weekends
Employer & IndustryEnvironmental consulting firms, government agencies, industrial companiesEnvironmental service companies, government agencies, industrial facilities

The Weekend Environmental Engineer primarily focuses on designing and managing environmental projects during weekends, often requiring engineering credentials. In contrast, the Part-Time Environmental Technician handles field sampling and data collection with less emphasis on engineering licensure. Both roles operate in similar environments and industries but differ in responsibilities and required qualifications.

What are the most commonly searched types of Environmental Engineer jobs in California?

The most popular types of Environmental Engineer jobs in California are:

Infographic showing various Weekend Environmental Engineer job openings in California as of August 2026, with employment types broken down into 87% Full Time, and 13% Part Time. Highlights an 87% In-person, and 13% Remote job distribution.

Mid Level Environmental Engineer

Carollo Engineers Inc.

Sacramento, CA • On-site

$95K - $155K/yr

Full-time

Medical, Life, Retirement, PTO

Re-posted 12 days ago


Job description

Carollo Engineers is a leading engineering firm dedicated exclusively to water. For over 90 years, we've specialized in the planning, design, and construction of water, wastewater, stormwater, and reuse facilities, bringing innovative and sustainable solutions to the water sector's most complex challenges.

We work with water agencies, municipalities, utilities, research organizations, and private companies across various industries, including technology, manufacturing, and beyond. These clients choose Carollo because we employ some of the most knowledgeable and experienced professionals in the world. When you join our team, you'll work alongside industry leaders who are advancing the science of water, protecting public health, and building resilient communities.

Carollo's vision is to be the best water consulting firm and the best place for you to build your career. If you're passionate about making a difference in this critical field, we invite you to explore a career with Carollo.


We are seeking a Mid Level Environmental Engineer to support Carollo's vision of becoming the best water consulting firm. 

  • Performing engineering work in various engineering fields (water and wastewater treatment infrastructure to include pipelines and pump stations, engineering services, construction management)
  • Work on engineering designs, prepare reports, develop plans, prepare specifications, and cost estimates for various water and wastewater projects, permitting and alternative analysis
  • Check performance or conformity with plans and specifications through field inspection and testing
  • Assist with the preparation of technical memoranda, reports and electronic deliverables
  • Data entry and analysis, participate in field activities such as site investigations, and pilot testing

  • Bachelor’s degree in civil or environmental engineering
  • 6 to 12 years of wastewater design experience in the field of environmental consulting engineering with an emphasis in hydraulics, physical, chemical, and biological treatment processes and treatment plant design
  • Registration as a Professional Engineer
  • Application of engineering principles including critical thinking, analysis, and innovative techniques
  • Strong verbal and written communication skills
  • Work well in a team environment
  • Have the ability to communicate effectively with clients and manage project teams

  • Master’s Degree in Civil or Environmental Engineering

$95,000 to $155,000 annually. This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting. We may ultimately pay more or less than the posted range, and the range may be modified in the future. An employee’s pay within the salary range will be based on several factors including, but limited to, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs.


Carollo is committed to providing employees with a competitive, comprehensive benefits program that provides the support employees and their families need to lead healthy, productive lives. Carollo’s benefits package includes paid time off and holidays, comprehensive health insurance coverage, pre-tax savings account options for healthcare, dependent care and commuter expenses, disability insurance and life insurance options for you and your dependents. We also offer free Caregiver Support, Travel Assistance, counseling services, discount programs, and a Lifestyle Reimbursement Account. Other compensation that may be available includes: 401(k) company contribution matching, tuition reimbursement, discretionary bonuses, career advancement bonuses, professional registration bonuses, employee referral bonuses, and compensatory time for exempt employees. Flexible work arrangements may also be available.  Eligibility for benefits varies based on employment status.

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