Senior Biologist​/Botanist – Boise; Hybrid

The Opportunity

Tetra Tech is adding a Senior Biologist or Botanist to support environmental projects involving biological resources, environmental permitting, and regulatory compliance. This role provides the opportunity to lead biological resource tasks, contribute to proposal development and project planning, oversee field surveys and reporting, and prepare biological documentation supporting NEPA and Endangered Species Act compliance.

The position involves close collaboration with multidisciplinary teams and senior project managers and may include occasional field work, technical analysis, and GIS-based resource analysis and mapping.

At Tetra Tech, we are Leading with Science to solve the world’s most complex challenges. Our industry‑leading experts in engineering and consulting are committed to driving positive change in communities around the world. For over 50 years, we have been at the forefront of innovation and sustainability. Today we stand as a market leader, offering cutting‑edge solutions in water, environment, energy, and international development.

Our work has improved more than 625 million lives around the world.

Join Tetra Tech to make a real difference. Our work leverages cutting‑edge technologies, advanced analytics, and the expertise of world‑class scientists and engineers to create meaningful change around the world. Discover your full potential – join us to advance your career while leaving a lasting legacy.

• Serve as Biology Task Lead on projects involving biological resources, environmental permitting, and regulatory compliance
• Lead and conduct biological resource assessments, field surveys, and habitat evaluations for environmental planning and permitting projects
• Prepare and oversee biological technical reports, impact analyses, and environmental documentation, including biological sections of NEPA documents (EAs and EISs) and Endangered Species Act documentation
• Develop biological scopes of work, schedules, and technical approaches for project execution and proposal development
• Lead preparation of mitigation and monitoring plans and associated compliance reporting

• Utilize GIS tools (ArcGIS Pro) to support biological surveys, mapping, spatial analysis, and environmental documentation
• Support data management, spatial analysis, quality control, and technical report preparation

• Coordinate with clients, regulatory agencies, and multidisciplinary project teams to support permitting and compliance
• Participate in and oversee field surveys and monitoring activities as project needs require

• Provide technical oversight, quality control, and mentoring for junior staff
• Support overall project quality and technical review of biological analyses and reports
• Conduct activities in line with internal procedures, legislation, and industry standards
• Pursue continuous professional development and maintain a high degree of discipline knowledge and awareness
• Work in a safe manner at all times and report all health and safety incidents and concerns
• Additional duties as required

• Bachelor’s degree in Biological Science, Botany, Ecology, Environmental Science, Natural Resource Management, or a closely related field
• Master’s degree preferred
• Minimum 8 years of progressively responsible experience in biological resources, ecological assessment, and environmental permitting
• Experience in environmental or ecological consulting strongly preferred
• Demonstrated experience serving as technical lead or biology task lead on environmental projects
• Experience planning and leading biological field surveys
• Experience with federal and state regulatory processes, including:
  • NEPA
  • Endangered Species Act (ESA)
  • Clean Water Act Section 404
  • State‑level environmental permitting
• Experience with GIS (ArcGIS Pro) including habitat mapping and spatial analysis
• Strong technical writing, analytical, and communication skills
• Ability to work independently and within multidisciplinary teams
• Must possess a valid driver’s license with a clean driving record without…