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Weekend Biologist Jobs in California (NOW HIRING)

OMS Group

Field Biologist

Sacramento, CA · On-site

$21.63 - $31.25/hr

Ability to work occasional overtime and weekends. * Master's degree in biology, natural resources or related field, preferred. * Section 7 ESA take permits and CDFW handling permits: CRLF, Burrowing ...

LTD Global

Invertebrate Biologist

Saratoga, CA · On-site

$70K - $83K/yr

About the Role We're seeking an Invertebrate Biologist to manage captive propagation for native butterflies and other at-risk invertebrate species at our conservation center. Under the direction of ...

Stantec

Project Biologist

San Diego, CA · On-site

As a Project Biologist with Stantec, you will work in a highly dynamic team environment with other biologists/ecologists/water resource specialists, and land planning and regulatory experts. This ...

Stantec

Project Biologist

Los Angeles, CA · On-site

$62K - $90K/yr

As a Project Biologist with Stantec, you will work in a highly dynamic team environment with other biologists/ecologists/water resource specialists, and land planning and regulatory experts. This ...

GHD Group

Senior Biologist

San Luis Obispo, CA · On-site

$81K - $166K/yr

Sr Biologist Team Lead GHD has an exciting opportunity in Central California for a Senior Biologist ! The Senior Biologist position will involve working with a team of natural resources scientists ...

Stantec

Project Biologist

Fresno, CA · On-site

As a Project Biologist with Stantec, you will work in a highly dynamic team environment with other biologists/ecologists/water resource specialists, and land planning and regulatory experts. This ...

Stantec

Project Biologist

Pasadena, CA · On-site

As a Project Biologist with Stantec, you will work in a highly dynamic team environment with other biologists/ecologists/water resource specialists, and land planning and regulatory experts. This ...

Stantec

Project Biologist

Ventura, CA · On-site

As a Project Biologist with Stantec, you will work in a highly dynamic team environment with other biologists/ecologists/water resource specialists, and land planning and regulatory experts. This ...

Stantec

Project Biologist

Paramount, CA · On-site

As a Project Biologist with Stantec, you will work in a highly dynamic team environment with other biologists/ecologists/water resource specialists, and land planning and regulatory experts. This ...

Stantec

Project Biologist

Santa Maria, CA · On-site

As a Project Biologist with Stantec, you will work in a highly dynamic team environment with other biologists/ecologists/water resource specialists, and land planning and regulatory experts. This ...

Stantec

Project Biologist

Irvine, CA · On-site

As a Project Biologist with Stantec, you will work in a highly dynamic team environment with other biologists/ecologists/water resource specialists, and land planning and regulatory experts. This ...

Stantec

Project Biologist

Santa Barbara, CA · On-site

As a Project Biologist with Stantec, you will work in a highly dynamic team environment with other biologists/ecologists/water resource specialists, and land planning and regulatory experts. This ...

BRIDGEMED SOLUTIONS INC

Entry Level Biologist

Irvine, CA · On-site

$20 - $23/hr

We are seeking an entry-level Biologist to support our Product Sales and Order Processing team within a regulated medical device environment. This role is ideal for a recent graduate with a biology ...

WSP

On Call Biologist

Riverside, CA · On-site

$27.55 - $34.43/hr

WSP also has ongoing biological monitoring, habitat assessments, and environmental permitting work in other states with additional upcoming opportunities. Your Impact Assist with multiple biological ...

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All JobsBiologist JobsWeekend Biologist JobsWeekend Biologist Jobs in California

Weekend Biologist information

See California salary details

$36.5K

$88.2K

$136.2K

How much do weekend biologist jobs pay per year?

As of Aug 18, 2026, the average yearly pay for weekend biologist in California is $88,233.00, according to ZipRecruiter salary data. Most workers in this role earn between $58,700.00 and $119,400.00 per year, depending on experience, location, and employer.

What is a weekend biologist?

Weekend Biologists are professionals or volunteers who conduct biological research, fieldwork, or environmental monitoring primarily on weekends. This role often suits individuals who are passionate about biology but have other commitments during the week, such as students or those with full-time jobs. Weekend Biologists may work in areas like wildlife observation, habitat assessment, or citizen science projects, contributing valuable data to scientific studies. Their efforts help support ongoing research and conservation initiatives that require regular monitoring outside of standard business hours.

What are the typical responsibilities and expectations for a weekend biologist, and how does the role differ from weekday positions?

Weekend Biologists are often responsible for monitoring ongoing experiments, caring for plants or animals, collecting samples, and ensuring research continuity over the weekend. Unlike weekday roles, weekend biologists may work more independently, with fewer staff on-site, requiring strong problem-solving skills and the ability to make decisions without immediate supervision. Communication with weekday teams is essential, as weekend biologists typically provide detailed reports or updates to ensure a seamless handover. This role offers valuable hands-on experience in research settings and can be an excellent stepping stone for further career advancement in biological sciences.

What are the key skills and qualifications needed to thrive as a weekend biologist, and why are they important?

To thrive as a Weekend Biologist, you generally need a solid background in biology or a related science, often with a bachelor's degree or relevant field experience. Familiarity with laboratory equipment, data collection tools, and software for statistical analysis is typically required. Strong observational skills, attention to detail, and effective communication are important soft skills for this role. These competencies ensure accurate data gathering and analysis, contributing to meaningful scientific research even on a part-time schedule.

What is the difference between Weekend Biologist vs Part-Time Biologist?

AspectWeekend BiologistPart-Time Biologist
CredentialsBachelor's degree in biology or related field; fieldwork experienceBachelor's or higher in biology; often similar certifications
Work EnvironmentField sites, laboratories, research facilities during weekendsVaries; may include labs, offices, or fieldwork, flexible hours
Employer & Industry UsageEnvironmental agencies, research institutions, conservation groupsUniversities, research firms, environmental consultancies

The Weekend Biologist typically works during weekends, focusing on field research and data collection, while the Part-Time Biologist may have flexible hours across weekdays and weekends. Both roles require similar educational backgrounds and are used in similar industries, but their schedules and specific duties can differ based on employer needs.

Are weekend biologists in high demand?

Weekend biologists are in moderate demand, often depending on the need for part-time or seasonal staffing in research, conservation, or environmental monitoring projects. Their roles typically require specialized knowledge and flexibility to work outside regular hours, which can influence demand based on project schedules and funding availability.

What are three careers for a weekend biologist?

A weekend biologist can pursue careers such as environmental consulting, wildlife monitoring, or conservation project coordination. These roles often involve fieldwork, data collection, and reporting, and may require knowledge of ecological methods and certifications like GIS or species identification. Such positions typically offer flexible schedules suitable for part-time or weekend work.

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

The most popular types of Biologist jobs in California are:

What are popular job titles related to Weekend Biologist jobs in California?

For Weekend Biologist jobs in California, the most frequently searched job titles are:

What job categories do people searching Weekend Biologist jobs in California look for?

The top searched job categories for Weekend Biologist jobs in California are:

What cities in California are hiring for Weekend Biologist jobs?

Cities in California with the most Weekend Biologist job openings:

Weekend Biologist jobs near you
Infographic showing various Weekend Biologist job openings in California as of August 2026, with employment types broken down into 1% As Needed, 74% Full Time, 21% Part Time, 3% Contract, and 1% Nights. Highlights an 94% Physical, 1% Hybrid, and 5% Remote job distribution, with an average salary of $88,233 per year, or $42.4 per hour.

Associate Biologist (Full-Time)

ECORP CONSULTING

Irvine, CA

$30 - $37/hr

Full-time

Posted 23 days ago

Job description

ECORP Consulting is seeking an Associate Biologist who is ready to take the next step in environmental consulting.  This role offers the opportunity to lead field investigations, contribute to complex biological resources projects, and work alongside a team of experienced environmental professionals.  If you enjoy combining fieldwork, technical writing, and collaboration to solve environmental challenges, you'll find meaningful opportunities to grow your career while helping clients successfully navigate environmental compliance.

As an Associate Biologist, you'll play an integral role in projects throughout California by conducting biological surveys, preparing technical documentation, supporting regulatory compliance, and working directly with clients, agencies, and multidisciplinary project teams.


Key Responsibilities:
- Conduct biological surveys and monitoring to assess and document the presence of various species and habitats.
- Prepare comprehensive technical reports that accurately reflect findings from field investigations and analyses.
- Support permit compliance by ensuring all project activities adhere to relevant environmental regulations and guidelines.
- Coordinate effectively with clients and contractors to facilitate project progress and address any biological resource concerns.
- Assist with the development and implementation of environmental documentation, including contributing to CEQA/NEPA documentation.
- Participate in project implementation by providing expertise in biological resources and ensuring environmental compliance.
- Utilize advanced knowledge of California habitats, species, and conservation biology to inform project decisions.
- Travel extensively to project sites as required, demonstrating strong field navigation skills and adaptability.
- Apply strong technical writing, organizational, and communication skills to support project goals and client needs.
- Engage in vegetation mapping, habitat assessments, and restoration projects to enhance project outcomes.
- Use GIS applications and other relevant technologies to support project analyses and reporting.

Required Education:
- Bachelor's degree in Biology, Botany, Ecology, Environmental Science, or a closely related field.
Preferred Education:
- Advanced coursework or specialized training in ecology, wildlife biology, botany, restoration ecology, GIS, or natural resource management.
Required Experience:
- 2–4 years of professional experience conducting biological surveys, monitoring, technical reporting, environmental compliance, or related biological resources work.
Preferred Experience:
- Experience preparing biological resource reports, supporting CEQA/NEPA documentation, conducting special-status species surveys, and coordinating with agencies, clients, or contractors.
Required Skills and Abilities:
- Knowledge of California habitats, species, and conservation biology.
- Strong technical writing, organizational, communication, and field navigation skills.
- Ability to travel extensively.
Preferred Skills and Abilities:
- Experience with permit compliance monitoring, vegetation mapping, habitat assessments, GIS applications, restoration projects, and environmental consulting projects.

Starting salary is determined by relevant experience, education, certifications/permits, geographic location, internal equity, and market conditions. ECORP Consulting strives to hire applicants at a level within the noted pay range commensurate with an applicant’s directly applicable experience and relevant education and certifications, while maintaining opportunities for career growth and employment advancement.

ECORP Consulting, Inc. is an Equal Opportunity Employer.
We celebrate diversity and are committed to creating an inclusive environment for all employees.

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