Do meaningful fieldwork. Deliver defensible science. Join HELIX.
HELIX Environmental Planning is seeking Mid-Level As-Needed Biologists to support biological resources projects throughout Northern California, including the Sacramento region, Central Valley, and Bay Area. This Mid-Level Biologist role is ideal for an experienced consulting biologist who enjoys a balance of fieldwork, reporting, and collaboration—while maintaining schedule flexibility through an as-needed arrangement.

Why HELIX?

HELIX is a growing, employee-owned, California-based environmental consulting and planning firm known for high-quality work and a collaborative culture. Our Biology team supports a wide range of public and private projects, providing biological surveys, regulatory compliance, permitting, and habitat restoration services. As a Mid-Level As-Needed Biologist, you’ll work alongside seasoned professionals on impactful projects that shape California’s landscapes.

Day in the Life of a Mid-Level As-Needed Biologist

A Mid-Level Biologist at HELIX may spend time conducting biological reconnaissance surveys, vegetation community mapping, special-status species surveys, or construction monitoring. You’ll also contribute to technical reports, CEQA/NEPA documentation, and permit applications. This Mid-Level As-Needed Biologist role requires strong independent field skills, clear technical writing skills, and the ability to deliver quality work on schedule and within budget.

Key Responsibilities

• Conduct or lead biological surveys, including focused species surveys and pre-construction clearances
• Perform biological monitoring for construction and restoration projects
• Prepare biological technical reports, habitat assessments, and CEQA/NEPA document sections
• Assist with wetland permit applications and supporting materials
• Maintain accurate field notes, maps, and project documentation
• Provide high-quality work products within established scopes and schedules

Schedule & Location

• As-needed, hourly position – no guarantee of hours
• Based in Northern California (Sacramento, Central Valley, or Bay Area)
• Telework available depending on location
• Occasional overnight travel may be required

Pay

• $35–$40 per hour, based on experience and qualifications

Apply Today

If you’re ready to contribute as a Mid-Level As-Needed Biologist and enjoy flexible, high-impact biological work, apply through the HELIX website for immediate consideration.

Equal Opportunity Employer
HELIX is an equal opportunity employer committed to diversity and an inclusive work environment. We encourage all qualified applicants to apply regardless of gender, race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), parental status, national origin, disability, age, genetic information (including family medical history), political affiliation, military service or veteran status. These protections extend to all management practices and decisions, including recruitment and hiring, appraisal systems, promotions, training, and career development programs.

Required Qualifications

• Bachelor’s degree in biology, botany, or related environmental science field
• 3+ years of professional experience as a consulting biologist (including at least 1 year in Northern California)
• Experience independently conducting biological resource assessments
• Demonstrated experience preparing biological technical reports
• Ability to work long days in the field over varying terrain and conditions
• Valid California Driver’s License with a clean driving record

Preferred Qualifications

• Floristic survey experience in Northern California
• Wetland delineation experience and/or certifications
• Special-status species survey permits
• Experience coordinating with regulatory agencies
• Habitat restoration planning and implementation experience