Senior Biologist - TX, NM, AZ, NV, UT, or Southwest CO (Hybrid)

The Opportunity:

Tetra Tech is adding a Senior Biologist to lead and support biological field efforts and permitting activities within our growing Energy Practice. This role focuses on routing, siting, and permitting for renewable and conventional energy projects, including wind, solar, battery energy storage (BESS), transmission lines, substations, and natural gas infrastructure.

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The successful candidate will provide technical leadership, oversee field teams, and support project delivery across the Southwest region.

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Location: Remote (Preference: TX, NM, AZ, NV, UT, or Southwest CO)

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Why Tetra Tech:

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.

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Your Impact:

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.

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Essential Job Functions:

Field Leadership & Technical Oversight

• Lead and manage wildlife and rare plant surveys, including staffing, training, and oversight of junior staff
• Conduct and support fieldwork across TX, NM, AZ, NV, and UT
• Perform field surveys requiring extended hours in remote and challenging environments

Permitting & Regulatory Support

• Support environmental permitting and due diligence for energy projects
• Prepare and contribute to NEPA documentation, mitigation plans, HCPs, ECPs, EITPs, and ESA-related documentation
• Research and interpret federal, state, and local regulations to assess permitting requirements and feasibility
• Represent clients in coordination and negotiations with regulatory agencies

Project & Business Support

• Provide technical writing support, including reports, peer reviews, and proposals
• Develop cost estimates and budgets for biological and rare plant survey efforts
• Support project management, compliance strategies, and multidisciplinary coordination
• Assist with additional natural resource surveys as needed
• 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.

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Required Qualifications:

• Bachelor's degree in Biology, Ecology, Environmental Science, or related field (Master's preferred)
• 10+ years of relevant experience, including biological fieldwork
• Experience in one or more of the following states: TX, NM, AZ, NV, UT
• Strong background in:
  • Ecological assessments and environmental impact analysis
  • Habitat conservation planning and biological resource management
  • Environmental permitting for energy projects
• Experience with wildlife, bat, and avian permitting
• Experience with BGEPA (eagle take permitting), ECPs, and EITPs
• Strong technical writing and analytical skills
• Proven ability to lead teams and manage multiple projects
• Must possess a valid driver's license with a clean driving record without restrictions.

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Preferred Qualifications:

• Experience working with BLM offices in AZ, NV, UT, or NM
• Experience with USFWS and state-listed species, such as:
  • Mexican spotted owl
  • Cactus ferruginous pygmy-owl
  • Utah prairie dog
  • Mojave desert tortoise
  • Houston toad
• Experience with Clean Water Act (Sections 401/404)
• Training in wetland delineation (USACE standards)

• Professional Wetland Scientist (PWS) certification

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Physical Requirements:

• Ability to perform fieldwork in remote and rugged terrain
• Ability to hike long distances, including off-trail travel and steep slopes
• Ability to work in extreme weather conditions
• Ability to carry field equipment and take detailed field notes

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Work Environment / Environmental Factors:

• Remote-based position with frequent travel across the Southwest
• Fieldwork in challenging outdoor environments, including exposure to heat, cold, and biological hazards

Flexible schedule required to accommodate project needs and travel

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Life at Tetra Tech:

The perks of working at Tetra Tech include:

• Comprehensive and market-competitive benefits.� https://www.tetratech.com/careers/life-at-tetra-tech/
• Merit-based financial rewards.
• Flexibility and company-wide commitment to work/life balance.
• Collaborative team atmosphere that values the contributions of all employees.
• Learning and development opportunities for ongoing professional growth.�

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A pre-employment drug screen in compliance with federal regulations is required, along with a physical if needed.

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Compensation:

Pay commensurate with experience.

Pay Range: $100,000-$125,000 annually

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Pay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience and demonstrated work experience in the above role; skills, certifications, and competencies that align to the specified role; geographic location; and education, as well as contract provisions regarding labor categories that are specific to the position.

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At Tetra Tech, health and safety play a vital role in our success. Tetra Tech's employees work together to comply with all applicable health & safety practices and protocols, including public health orders and regulations that are mandated by local, state, provincial, federal, international authorities, and clients.

About Tetra Tech:

Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. With 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science® to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition.

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Tetra Tech is proud to be an Equal Opportunity Employer.� All qualified candidates will be considered without regard to race, color, religion, national origin, age, disability, sex, marital or familial status, status as a protected veteran, or any other characteristic protected by law. Tetra Tech is a VEVRAA federal contractor and we request priority referral of veterans.

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We invite applications from all interested parties.

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Explore our open positions at https://www.tetratech.com/careers� Follow us on social media to learn more about our people, culture, and opportunities:

LinkedIn: @TetraTechCareers

X (Twitter): @TetraTechJobs

• Organization: 194 CES