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On-call Specialist Biologist; Terrestrial or Aquatic

Job in Sacramento, Sacramento County, California, 95828, USA
Listing for: GEI Consultants, Inc.
Full Time, Per diem position
Listed on 2026-01-24
Job specializations:
  • Science
    Environmental Science, Ecology, Biology, Environmental Consulting
  • Outdoor/Nature/Animal Care
    Environmental Science
Salary/Wage Range or Industry Benchmark: 43 - 67 USD Hourly USD 43.00 67.00 HOUR
Job Description & How to Apply Below
Position: On-call Specialist Biologist (Terrestrial or Aquatic)

On-call Specialist Biologist (Terrestrial or Aquatic)

GEI Consultants is seeking multiple specialized aquatic and/or terrestrial biologists in our Sacramento office to implement project work in the environmental consulting field. This position requires a specialized level of skill and experience in a range of applications, which may include leading biological surveys in: botany, terrestrial biology, aquatics, fisheries, and/or arboriculture. Specialized experience in one or more of these fields is necessary for this position.

  • Assisting with and/or leading protocol-level biological or arboriculture surveys/tasks, including one or more of the following: wetland delineations, botanical surveys and/or inventories, habitat evaluations, vegetation characterizations, special-status wildlife species surveys, arborist surveys, fish and wildlife species monitoring and/or relocation.
  • Collecting field data, analyzing data, and preparing technical reports.
  • Using a GPS to map natural resource features and boundaries (Trimble and/or ArcGIS Field Maps).
  • Interpreting aerial photography to identify vegetation and/or wetland signatures.
  • Write survey reports and/or environmental permit applications and/or biological sections for CEQA documents.
  • Occasional overnight travel is required.
  • A typical work day consists of an 8-12 hour day, includes irregular hours (20-55 hours per week), and irregular starting and quitting times, in accordance with the requirements of the assigned job. It may also include weekend work, as needed.
Minimum Qualifications
  • At least seven (7) years of experience in conducting biological surveys, impact analyses, wetland delineations, environmental permitting, arboriculture surveys, and/or similar activities in California.
  • Bachelor’s Degree in botany, wildlife, biological sciences, environmental sciences or a related field.
  • Must hold a valid Driver's License and have a clean DMV record and compliance with company safety protocols and procedures are required.
  • Excellent organization and communication skills and experience working independently and as part of a team.
  • Experience with conducting surveys and monitoring for rare plants and/or special-status wildlife species (e.g., giant garter snake, nesting birds, listed fish species, foothill yellow-legged frog, northwestern pond turtle, and/or California red-legged frog).
  • Strong writing skills, including experience writing biological technical studies.
  • Working knowledge of relevant environmental statutes and regulations (e.g., CEQA, NEPA, Endangered Species Act, Clean Water Act, Fish and Game Code) and associated permits.
Desired Qualifications
  • Positive, flexible, team-oriented approach, with the willingness and desire to work as a part of a multi-disciplinary team.
  • Experience conducting field surveys in the Sacramento Valley, San Joaquin Valley, Sierra Nevada foothills, and/or San Francisco Bay regions and completing associated documentation.
  • Standard First Aid and CPR are preferred.
  • If specialized in arboriculture, certification from International Society of Arboriculture (ISA) or American Society of Consulting Arborists (ASCA) is preferred.
  • Possession of Scientific Collecting Permit is preferred.
  • If specialized in botany, familiarity with documenting voucher specimens and reference populations for large scale projects.
  • Effective time management and follow-through, with the ability to simultaneously work on and lead multiple tasks/projects and meet project deadlines.
  • Ability to work independently and with a diverse, multi-disciplinary team in a fast-paced work environment.
  • Experience working with clients and managing project schedules and finances.
We are GEI.

Some of the world’s most pressing problems – from climate change to sustainable development, to critical infrastructure and the future of our energy supply – need our brightest and diverse minds working together to create safer, more resilient communities for tomorrow.

We are technical experts, collaborators, and entrepreneurs who draw from diverse backgrounds to solve our clients’ most complex challenges.

With several offices across North America, we offer a range of engineering, science, and technical…

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