On-Call Biologist

Tetra Tech is adding dedicated and motivated On-Call Biologists to support environmental compliance, biological surveys, and technical reporting for renewable energy and infrastructure projects throughout California, with a primary focus on the Central Valley and western Fresno County.

This position is ideal for field biologists who enjoy working independently and collaboratively in dynamic project environments. Responsibilities include environmental compliance and biological monitoring during construction, pre-construction surveys, habitat assessments, special-status species surveys, and technical reporting.

The successful candidate will have experience with California wildlife and habitats, strong field data collection and communication skills, and a commitment to regulatory compliance.

Experience working with sensitive Central Valley species, including San Joaquin kit fox, burrowing owl, Swainson's hawk, blunt-nosed leopard lizard, and giant kangaroo rat, is highly desirable.

At Tetra Tech, we are Leading with Science to solve the world’s most complex challenges. Our industry-leading experts in engineering and consulting are committed to driving positive change in communities around the world.

For over 50 years, we have been at the forefront of innovation and sustainability.

Today we stand as a market leader, offering cutting-edge solutions in water, environment, energy, and international development.

Our work has improved more than 625 million lives around the world.

Join Tetra Tech to make a real difference.

Our work leverages cutting-edge technologies, advanced analytics, and the expertise of world-class scientists and engineers to create meaningful change around the world. Discover your full potential – join us to advance your career while leaving a lasting legacy.

• Conduct environmental compliance monitoring and biological monitoring during construction activities for renewable energy and infrastructure projects throughout California, primarily in western Fresno County and the Central Valley.
• Perform pre-construction clearance surveys, nesting bird surveys, habitat assessments, and other biological surveys in accordance with project permits, mitigation measures, and regulatory requirements.
• Conduct or assist with focused and protocol-level surveys for special-status plants and wildlife.
• Identify, document, and report observations of California flora and fauna, including special-status species and sensitive habitats.
• Monitor construction activities to ensure compliance with biological mitigation measures and permit requirements, and provide recommendations to avoid or minimize impacts to biological resources.
• Collect, manage, and summarize field data using GPS units, mobile data collection platforms, maps, and other field equipment.
• Communicate effectively with project managers, clients, construction personnel, agency representatives, and fellow biologists regarding environmental compliance requirements and field observations.
• Assist with preparing biological technical reports, compliance monitoring reports, survey reports, and related environmental documentation.
• Work independently in remote field locations while maintaining a high level of safety, professionalism, and data quality.
• Travel regularly to project sites throughout California and periodically work extended field days, weekends, or consecutive days in the field as project needs require.
• Conduct activities in accordance with internal procedures, applicable legislation, regulatory requirements, and industry standards.
• Maintain current professional and technical knowledge through continuous professional development.
• Work safely at all times and report health and safety incidents and concerns in accordance with…