What are the responsibilities and job description for the Field Biologist position at Lensa?
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Senior Biologist
Location: Southern California (Hybrid )
Employment Type: Full-Time
Experience Level: Senior
About The Role
We are seeking an experienced Senior Biologist to join a specialized environmental consulting practice providing biological and regulatory services for public and private sector clients throughout California. This role is ideal for a biologist who combines strong technical expertise with project leadership, client coordination, and regulatory proficiency. The Senior Biologist will lead biological studies, manage projects, and support environmental compliance efforts related to land development, infrastructure, and natural resource management.
Key Responsibilities
This is a Contract to Hire position based out of Ontario, CA.
Pay and Benefits
The pay range for this position is $51.44 - $62.50/hr.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: - Medical, dental & vision - Critical Illness, Accident, and Hospital - 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available - Life Insurance (Voluntary Life & AD&D for the employee and dependents) - Short and long-term disability - Health Spending Account (HSA) - Transportation benefits - Employee Assistance Program - Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a hybrid position in Ontario,CA.
Application Deadline
This position is anticipated to close on Feb 11, 2026.
About Actalent
Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500.
The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing due to a disability, please email actalentaccommodation@actalentservices.com ( actalentaccommodation@actalentservices.com) for other accommodation options.
If you have questions about this posting, please contact support@lensa.com
Senior Biologist
Location: Southern California (Hybrid )
Employment Type: Full-Time
Experience Level: Senior
About The Role
We are seeking an experienced Senior Biologist to join a specialized environmental consulting practice providing biological and regulatory services for public and private sector clients throughout California. This role is ideal for a biologist who combines strong technical expertise with project leadership, client coordination, and regulatory proficiency. The Senior Biologist will lead biological studies, manage projects, and support environmental compliance efforts related to land development, infrastructure, and natural resource management.
Key Responsibilities
- Lead and conduct biological field surveys, including:
- Flora and fauna surveys
- Habitat assessments
- Focused and protocol-level special-status species surveys
- Prepare and review technical documents such as:
- Biological Constraints Analyses
- Biological Resources Technical Reports
- Mitigation and Monitoring Plans
- CEQA and NEPA biological sections
- Serve as Project Manager or Task Lead on biological projects
- Coordinate with planners, engineers, regulatory agencies, and clients
- Ensure compliance with state and federal regulations including:
- California Endangered Species Act (CESA)
- Federal Endangered Species Act (ESA)
- Clean Water Act
- CEQA / NEPA
- Support permitting with agencies such as CDFW, USFWS, and USACE
- Provide mentoring and technical guidance to junior biologists
- Assist with proposal preparation, scheduling, and budgeting as needed
- Bachelor's degree in Biology, Ecology, Environmental Science, or a related field
- (Master's degree preferred)
- 8-15 years of professional biological consulting experience in California
- Demonstrated expertise in:
- California flora and fauna
- Special-status species surveys
- Regulatory permitting and agency coordination
- Strong technical writing and report preparation skills
- Ability to manage multiple projects and meet deadlines
- Willingness and ability to conduct fieldwork, including variable terrain and conditions
- Valid California driver's license
- Experience with linear infrastructure, land development, or public works projects
- Certifications or permits for specialized species surveys
- Experience serving as a client point of contact
- Familiarity with biological mitigation design and implementation
- Competitive salary based on experience
- Flexible work environment with hybrid options
- Opportunity to lead meaningful environmental and conservation projects
- Collaborative team culture with a focus on technical excellence
- Comprehensive benefits package including health insurance, PTO, and retirement options
This is a Contract to Hire position based out of Ontario, CA.
Pay and Benefits
The pay range for this position is $51.44 - $62.50/hr.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: - Medical, dental & vision - Critical Illness, Accident, and Hospital - 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available - Life Insurance (Voluntary Life & AD&D for the employee and dependents) - Short and long-term disability - Health Spending Account (HSA) - Transportation benefits - Employee Assistance Program - Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a hybrid position in Ontario,CA.
Application Deadline
This position is anticipated to close on Feb 11, 2026.
About Actalent
Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500.
The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.
If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing due to a disability, please email actalentaccommodation@actalentservices.com ( actalentaccommodation@actalentservices.com) for other accommodation options.
If you have questions about this posting, please contact support@lensa.com
Salary : $51 - $63