
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
Schedule & Location
Pay
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.
PM21
Requirements
Required Qualifications
Preferred Qualifications

Established in 1991 and with offices in San Diego, Sacramento, Placer, Los Angeles, Orange, and Riverside counties, HELIX Environmental Planning develops and implements innovative environmental compliance and sustainable design services throughout California and the western United States.
HELIX has extensive experience helping public and private clients comply with environmental laws and regulations, manage natural and cultural resources, and design and construct sustainable projects.
Our responsive, high-quality service enables clients to achieve their goals while benefiting the community and the environment. Many clients, as a measure of their confidence, bring their largest, most sensitive, and controversial projects to HELIX.