Senior Biologist
Los Angeles - Los Angeles, CA
Full Time
Bachelor's Degree

Who We Are


ESA is a 100% employee-owned environmental consulting firm delivering work that matters.


We plan, design, permit, mitigate, and restore—for projects across our communities, infrastructure systems, open spaces, and wildlands. 


Our scientists, planners, historians, archaeologists, engineers, designers, and technical specialists provide critical thinking, in-depth analyses, and committed follow-through to guide successful policy development and project planning, and deliver enduring multi-objective solutions.


At ESA, we believe every employee has a unique combination of knowledge, skills and experience that contributes to our success.


We value diversity and inclusion and celebrate the differences that make each of us unique. Our culture is built on mutual respect, recognizing that the collective sum of our individual differences and life experiences fosters our continued success and achievement, for our employee-owners and our clients.


Collaborating with colleagues from a variety of backgrounds, experiences, and perspectives leads to better solutions and opportunities for everyone. We celebrate the differences—age, color, physical ability, ethnicity, family or marital status, gender identity or expression, sexual orientation, language, national origin, race, religion, veteran status, and other characteristics—that make each of us unique.


Who You Are


You are an effective team member and communicator who works collaboratively on multi-disciplinary teams.


You enjoy field work and are able to walk long distances carrying a backpack, safely operate, load and transport equipment and gear, and cross fences, creeks and other obstacles.    

You are known for preparing field reports and other documents that are clear, concise, well-written and supported and for your ability to present information understandably about basic or low complexity topics to project team members.


You have used your strong writing and editing skills to contribute to a variety of environmental documents such as biological assessments, evaluations, and reports, sections of NEPA and CEQA analyses.


You deliver your project assignments on time and within budget and have assisted with the development and tracking of scopes, schedules and budgets under a Project Manager’s direction.


You hold a Bachelor’s degree in Biology or a related environmental or ecological field and have a minimum of 5 years of professional experience which includes construction compliance monitoring and performing biological resource surveys such as habitat assessments, species inventories, and aquatic resources delineations in the greater Los Angeles area. Experience conducting USFWS/CDFW protocol surveys is a plus.


What You Will Do for ESA


Perform biological field studies such as native flora and fauna surveys including rare plant surveys, vegetation classification and habitat mapping, nesting bird surveys, wetland delineations and endangered species documentation. While conducting construction site monitoring you may work in close proximity to heavy equipment.


Apply critical thinking and problem solving to select and apply standard techniques, methods and procedures for a wide range of basic to lower complexity biological studies. You will collect, interpret and analyze field survey data and may serve as a technical/resource specialist in one or more natural resource disciplines.


Serve as a contributing author of environmental documents potentially including technical memoranda, biological assessments/evaluations, scientific discipline reports, sections of NEPA, CEQA analyses, and resource-related permit applications.


Complete specific project tasks including the technical or logistical aspects of delivering specific components of a project’s scope, meeting with team members to gauge progress toward schedule, scope and budget, serve as a point of contact for team members with basic task questions and provide status reports to the Deputy Project Manager or Project Manager.


What ESA Will Do for You


Joining ESA means becoming part of a close-knit team of environmental professionals knowing that you have contributed to outstanding projects, improved environmental stewardship, and advanced a more sustainable and resilient future for our communities and wild places.


At ESA, we spend our days helping to keep the environment in balance, and we want to help keep your life in balance, too by providing medical, dental & vision insurance (paid at 70% for you AND your family), a 401(k) plan with company match, an employee stock ownership program, paid vacation, sick leave and holidays to name a few.


No matter what stage you are at in your career, we provide opportunities for continued growth, development, and recognition. Whether you want to further your technical expertise, sharpen your business acumen, or help lead the next generation of employee-owners, we want to support you in reaching your career goals, and believe these efforts will not only benefit you, but all ESA colleagues and clients. Specific programs include Tuition Reimbursement, Professional Development Bonuses, and attendance at Conferences.


What’s Special About Our Los Angeles Office


Our Los Angeles office team includes biologists, hydrologists, archaeologists, planners and environmental scientists. We work on exciting and challenging projects including land management planning, restoration, water and wastewater, transportation, and commercial and residential developments. As a highly-integrated team, we value creative thinking, teamwork, and multi-disciplinary and cross-disciplinary engagement and integration.


To read about some of the exciting projects we have recently completed check out these links Ballona Wetland Restoration, Devereaux Slough, Yuba River Canyon, and Giant Marsh.


The Southern California Biology Group as well as the region get together for annual camping trips, Dodger games, summer picnics, and golf tournaments. We like to have fun outside of work!


ESA is an Equal Opportunity Employer, committed to a diverse and inclusive work environment.  (EOE M/V/F/D)