Mid - Level Biologist / Ecologist

The Opportunity

Tetra Tech is adding a Mid-Level Biologist/Ecologist to lead biological and wetland tasks in support of a variety of projects within our Energy Practice. Our work includes routing, siting, and permitting for wind and solar energy facilities, electric transmission lines and substations, natural gas pipelines, and related infrastructure.

The successful candidate will have a strong wildlife biology background, with experience leading fieldwork, managing data, and supporting federal, state, and local permitting efforts. Experience with wetland surveys is required. This role offers a mix of field leadership, technical writing, and project support, with opportunities to grow into expanded responsibilities.

This position is based in the Front Range of Colorado and will support projects throughout Colorado, Kansas, Wyoming, and occasionally the Southwest and other regions.

Location: Front Range, CO (Affiliated with Lakewood, CO Office)

Essential Job Functions

• Lead wildlife field surveys (e.g., habitat assessments, raptor nest surveys, burrowing owl surveys) across diverse ecological regions
• Lead biological resource tasks from proposal through fieldwork, reporting, and client communication
• Manage field crews, including logistics, scheduling, and task delegation
• Conduct additional fieldwork as needed, including wetland delineations and vegetation monitoring
• Prepare and review technical reports, proposals, and biological assessments
• Interpret and communicate biological impacts and survey results to clients and project teams
• Support cost estimating and proposal development for biological tasks
• Assist with local, state, and federal permitting, including coordination with regulatory agencies
• Manage and prioritize multiple concurrent projects in various stages
• 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.

Required Qualifications

• Bachelor’s degree in Biology, Ecology, Environmental Science, or related field
• 5+ years of relevant experience, including biological fieldwork
• Experience leading or supporting biological surveys and field teams
• Proficiency in technical report writing and impact analysis
• Experience with:
• Environmental impact analysis for energy projects
• Biological mitigation, monitoring, and compliance
• Federal, state, and local permitting processes
• Experience interacting with regulatory agencies
• Strong organizational, analytical, and communication skills
• Ability to work independently and within a team
• Must possess a valid driver’s license with a clean driving record without restrictions.

Preferred Qualifications

• Master’s degree in a related field
• Experience with wetland delineations and aquatic resource assessments
• Experience in Great Plains, Rockies, or Central U.S. ecosystems

Physical Requirements

• Ability to perform strenuous fieldwork, including:
• Long-distance hiking, including off-trail travel
• Working in steep terrain and remote locations
• Exposure to extreme weather conditions (heat, cold, wind)
• Ability to work extended field schedules, including multi-week assignments
• Ability to carry field equipment and take detailed field notes

Work Environment / Environmental Factors

• Field-based work across Colorado, Kansas, Wyoming, and surrounding regions
• Exposure to rugged terrain, remote environments, and varying weather conditions
• Travel required, sometimes on short notice
• Work may be conducted independently or in small field teams

Life At Tetra Tech

The perks of working at Tetra Tech include:

• Comprehensive and market-competitive benefits.
• 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.

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

Compensation

Pay commensurate with experience.

Pay Range: $70,000-$90,000 annually

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.

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.

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.

We invite applications from all interested parties.

Explore our open positions at Follow us on social media to learn more about our people, culture, and opportunities:

LinkedIn: @TetraTechCareers

X (Twitter): @TetraTechJobs

Additional Information

• Organization: 194 CES