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On Call Biologist Jobs (NOW HIRING)

$38 - $50/hr

Keish Environmental is seeking a Field Biologist (On-Call/As Needed) to conduct biological surveys, assessments, and compliance monitoring for infrastructure projects in California's Ventura and Los ...

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On Call Biologist information

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$37K

$89.4K

$138K

How much do on call biologist jobs pay per year?

As of Aug 31, 2026, the average yearly pay for on call biologist in the United States is $89,403.00, according to ZipRecruiter salary data. Most workers in this role earn between $59,500.00 and $121,000.00 per year, depending on experience, location, and employer.

What is an on call biologist?

An On Call Biologist is a professional who works on an as-needed basis to support biological surveys, environmental assessments, and conservation projects. They may conduct fieldwork, collect data, monitor wildlife, or assist with regulatory compliance. This role offers flexibility but requires availability on short notice. It is common in industries such as environmental consulting, government agencies, and research organizations.

What types of projects and environments can an on call biologist expect to work in?

On Call Biologists often support a variety of projects, including wildlife surveys, habitat assessments, environmental impact studies, and compliance monitoring for construction or land development. You may work in diverse environments such as wetlands, forests, urban sites, or along waterways, sometimes during irregular hours or in response to urgent client needs. Collaboration with ecologists, environmental consultants, land managers, or government agencies is common, offering the opportunity to build a broad professional network. The variety of projects both challenges biologists to adapt quickly and provides rich, hands-on learning experiences in the field.

What are the key skills and qualifications needed to thrive as an on call biologist?

To thrive as an On Call Biologist, you typically need a degree in biology, ecology, or a related field, along with hands-on fieldwork experience. Familiarity with data collection tools, GIS software, and environmental monitoring equipment is commonly required, and specific certifications (such as HAZWOPER or first aid) may be advantageous. Strong problem-solving abilities, flexibility, and effective communication skills set outstanding candidates apart. These competencies are essential for delivering accurate biological assessments, responding to urgent tasks, and collaborating efficiently under time-sensitive conditions.

Are on call biologists in high demand?

On call biologists are in moderate demand, especially in environmental consulting, research, and conservation fields. Their availability depends on project needs and seasonal factors, with skills in data collection and fieldwork being highly valued.

Can an on call biologist work remotely?

On call biologists can sometimes work remotely, especially for tasks such as data analysis, report writing, or research planning that do not require fieldwork. However, fieldwork, sample collection, and site visits typically require physical presence, so the ability to work remotely depends on the specific responsibilities of the position and employer policies.
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What cities are hiring for On Call Biologist jobs?

Cities with the most On Call Biologist job openings:

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The most popular types of Biologist jobs are:

What states have the most On Call Biologist jobs?

States with the most job openings for On Call Biologist jobs include:

Infographic showing various On Call Biologist job openings in the United States as of August 2026, with employment types broken down into 1% Locum Tenens, 1% As Needed, 79% Full Time, 13% Part Time, and 6% Contract. Highlights an 95% Physical, 1% Hybrid, and 4% Remote job distribution, with an average salary of $89,403 per year, or $43 per hour.

On-Call Biologist | CA

Eocene Environmental Group

Stockton, CA โ€ข On-site

$35/hr

Full-time

Re-posted 2 days ago


Job description

FLSA Status: Non-Exempt, Hourly

Reports To: Project Manager I

Job Type: On-Call, Variable-Time

Compensation: $22 - $35 per hour based on experience

Work is anticipated to occur in the following counties: Fresno, Mariposa, Calaveras, Tuolumne, Stanislaus, Amador, Merced, and San Joaquin.

About Eocene Environmental Group:

Our team has spent the past two decades providing environmental, utility vegetation management (UVM), software and sustainability services. We are fortunate to be a part of the Wright Service Corp. family, which has helped us establish a strong foundation for continued growth and success.

Through a strategic alignment of values and goals, four Wright Service Corp. entities joined and integrated into one, operating as Eocene Environmental Group. These four entities are:

  • Forestry & Utility Division

  • Environmental Division

  • Technology & Innovation Division

  • Sustainability Division

JOB SUMMARY: The On-Call Biologist will perform biological surveys and monitoring in the field on an as-needed basis. Some desktop responsibilities may be incorporated into the position depending on needs, but the position is mostly field based.

ESSENTIAL JOB FUNCTIONS: Reasonable accommodations may be made to enable individuals with disabilities to perform the essential job functions:

  • Perform special status plant and wildlife surveys, nesting bird surveys, vernal pool surveys, and habitat assessments

  • Biological monitoring during construction activities to ensure resource protection measures are being implemented

  • Work will primarily be field based; successful applicants should be capable of working long days in the field throughout the year, including single- and multi-day assignments

  • Botanical surveys for qualified applicants (botanical experience not required, but is a plus)

  • Maintain regular and punctual attendance at work and meetings

  • Support, actively participate, and act in accordance with Wright's and Eocene Environmental' s culture of safety and employee ownership

  • Comply with applicable federal, state, and local laws, rules, and regulations; maintains knowledge of and follows all company policies and procedures

OTHER DUTIES: Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties, or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

  • Position will require outside travel

JOB REQUIREMENTS:

  • B.S. degree in biology, ecology, natural resources, and/or a closely related discipline

  • Strong knowledge of California flora and fauna

  • Minimum of 3 months previous experience conducting nesting bird and/or special status wildlife surveys

  • Ability to perform work duties independently and efficiently with short deadlines

  • Highly organized, motivated, thorough, accurate, dependable, and trustworthy

  • Ability to interact and coordinate with state, federal, and tribal agencies

  • Proficiency with standard field equipment and technology

  • Ability to read, write and speak English sufficient to perform job duties and to interact and communicate with employees and vendors

PREFERRED EXPERIENCE:

  • Ability to work night shifts based on business needs

  • Ability to identify California bird species by sight and sound

  • Ability to identify California reptile and amphibian species

  • Ability to follow written and verbal instructions

  • Ability to perform field and desktop work independently

  • Good communication skills, strong writing and editing skills

  • Familiarity with typical utility operations and maintenance activities

  • Familiarity with basic use of ESRI GIS applications (including desktop, ArcGIS, Collector, Survey123, etc.)

  • Excellent navigation skills and good driving record

  • Experience driving a four-wheel drive vehicle off-road or in rough terrain

  • Experience in construction monitoring and surveying for nesting birds is a plus

  • Botanical survey experience and familiarity using a dichotomous key to identify plant species is a plus

  • Possession of a Scientific Collecting or Federal 10a1a permit is a plus

  • Experience working around heavy machinery and communicating with construction crews a plus

Eocene Environmental Group, Inc. provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

https://wrightservicecorp.com/privacy-policy