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Weekend Biologist Jobs in Colorado (NOW HIRING)

Biologist Field Team Lead

Denver, CO · On-site

$62K - $90K/yr

Your Opportunity Stantec's Colorado team is currently seeking an experienced Biologist for our Environmental Services Group based out of either Denver or Fort Collins, Colorado. The successful ...

Biologist Field Team Lead

Denver, CO · On-site

$62K - $90K/yr

Your Opportunity Stantec's Colorado team is currently seeking an experienced Biologist for our Environmental Services Group based out of either Denver or Fort Collins, Colorado. The successful ...

Your Opportunity Stantec's Colorado team is currently seeking an experienced Biologist for our Environmental Services Group based out of either Denver or Fort Collins, Colorado. The successful ...

The Department of Biology seeks affiliates who can teach both lectures and laboratory classes in a variety of biology areas. Major Duties and Responsibilities: Essential: * Teach from a wide variety ...

The Department of Biology seeks affiliates who can teach both lectures and laboratory classes in a variety of biology areas. Major Duties and Responsibilities: Essential: * Teach from a wide variety ...

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Showing results 1-20

Weekend Biologist information

See Colorado salary details

$38.9K

$94K

$145.1K

How much do weekend biologist jobs pay per year?

As of Jul 17, 2026, the average yearly pay for weekend biologist in Colorado is $94,009.00, according to ZipRecruiter salary data. Most workers in this role earn between $62,600.00 and $127,200.00 per year, depending on experience, location, and employer.

What are the typical responsibilities and expectations for a Weekend Biologist, and how does the role differ from weekday positions?

Weekend Biologists are often responsible for monitoring ongoing experiments, caring for plants or animals, collecting samples, and ensuring research continuity over the weekend. Unlike weekday roles, weekend biologists may work more independently, with fewer staff on-site, requiring strong problem-solving skills and the ability to make decisions without immediate supervision. Communication with weekday teams is essential, as weekend biologists typically provide detailed reports or updates to ensure a seamless handover. This role offers valuable hands-on experience in research settings and can be an excellent stepping stone for further career advancement in biological sciences.

What are the key skills and qualifications needed to thrive as a Weekend Biologist, and why are they important?

To thrive as a Weekend Biologist, you generally need a solid background in biology or a related science, often with a bachelor's degree or relevant field experience. Familiarity with laboratory equipment, data collection tools, and software for statistical analysis is typically required. Strong observational skills, attention to detail, and effective communication are important soft skills for this role. These competencies ensure accurate data gathering and analysis, contributing to meaningful scientific research even on a part-time schedule.

What are some fun biology jobs?

A weekend biologist might find fun roles such as wildlife monitoring, environmental education, or conservation projects. These jobs often involve fieldwork, data collection, and working outdoors or in labs, providing hands-on experience with living organisms and ecosystems. They can be rewarding for those interested in nature and biological sciences, often requiring basic biology knowledge and sometimes certifications in safety or specific techniques.

What are Weekend Biologists?

Weekend Biologists are professionals or volunteers who conduct biological research, fieldwork, or environmental monitoring primarily on weekends. This role often suits individuals who are passionate about biology but have other commitments during the week, such as students or those with full-time jobs. Weekend Biologists may work in areas like wildlife observation, habitat assessment, or citizen science projects, contributing valuable data to scientific studies. Their efforts help support ongoing research and conservation initiatives that require regular monitoring outside of standard business hours.

What biology jobs pay over $100k?

Biology-related jobs that pay over $100,000 annually include roles such as biomedical scientists, pharmacologists, and biotechnologists, often requiring advanced degrees and specialized skills. Positions in research, pharmaceuticals, and biotech companies tend to offer higher salaries, especially with experience and certifications in laboratory techniques or data analysis.

Are biologists in high demand?

Biologists, including those working as weekend biologists, are in moderate demand, especially in research, conservation, and environmental fields. Employment opportunities often depend on industry needs, geographic location, and specialized skills such as data analysis or fieldwork experience.

What is the difference between Weekend Biologist vs Part-Time Biologist?

AspectWeekend BiologistPart-Time Biologist
CredentialsBachelor's degree in biology or related field; fieldwork experienceBachelor's or higher in biology; often similar certifications
Work EnvironmentField sites, laboratories, research facilities during weekendsVaries; may include labs, offices, or fieldwork, flexible hours
Employer & Industry UsageEnvironmental agencies, research institutions, conservation groupsUniversities, research firms, environmental consultancies

The Weekend Biologist typically works during weekends, focusing on field research and data collection, while the Part-Time Biologist may have flexible hours across weekdays and weekends. Both roles require similar educational backgrounds and are used in similar industries, but their schedules and specific duties can differ based on employer needs.

What jobs pay 500,000 a year in the US?

In the US, some high-paying jobs that can reach or exceed $500,000 annually include specialized roles such as senior executives, surgeons, anesthesiologists, and certain investment bankers or hedge fund managers. These positions often require advanced education, extensive experience, and sometimes performance-based bonuses or profit sharing. Salary levels vary based on industry, location, and individual performance.
What are the most commonly searched types of Biologist jobs in Colorado? The most popular types of Biologist jobs in Colorado are:
What cities in Colorado are hiring for Weekend Biologist jobs? Cities in Colorado with the most Weekend Biologist job openings:
Senior Biologist - Midwest Region (Remote)

Senior Biologist - Midwest Region (Remote)

Tetra Tech, Inc.

Lakewood, CO • On-site, Remote

Full-time

Posted 25 days ago


Tetra Tech rating

5.8

Company rating: 5.8 out of 10

Based on 40 frontline employees who took The Breakroom Quiz

348th of 369 rated engineering


Job description

The Opportunity:
Tetra Tech is adding an experienced Senior Biologist to join our growing biology team supporting renewable energy, transmission, data center, and infrastructure projects throughout the Midwest. Our biology team includes wildlife and wetland scientists who provide biological surveys, environmental permitting, regulatory coordination, and technical consulting from project planning through construction and post-construction monitoring.
The successful candidate will have a strong technical background in Midwest biology and ecology, with demonstrated experience leading field teams, managing biological studies, and supporting environmental permitting for energy and infrastructure projects. This full-time position reports through our Lakewood, Colorado office.
Location: Remote (Reporting through Lakewood, CO Office)
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.
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.
Essential Job Function:
Technical Leadership
  • Serve as the lead biologist on multiple energy and infrastructure projects throughout the Midwest.
  • Organize and lead agency coordination meetings and technical discussions.
  • Prepare, review, and provide quality assurance for biological survey reports, technical memoranda, permit applications, and proposals.
  • Provide technical leadership related to wildlife, wetlands, ecology, and natural resource management.
  • Support client and regulatory strategy discussions regarding biological resource considerations.
  • Attend project meetings, agency meetings, hearings, and provide expert testimony as required.

Project Management & Team Leadership
  • Collaborate with project managers and multidisciplinary teams to successfully deliver projects.
  • Manage biological field survey efforts and provide technical oversight.
  • Train, mentor, and support junior and mid-level biology staff.
  • Assist with hiring, onboarding, and staff development.
  • Supervise biology staff, when appropriate, including workload planning and resource allocation.
  • Promote collaboration, technical excellence, and quality throughout project teams.
  • Proactively identify and resolve project and staffing challenges.

Environmental Permitting & Field Support
  • Support environmental permitting, biological surveys, and regulatory compliance for renewable energy, electric transmission, substations, pipelines, battery storage, data centers, and other infrastructure projects.
  • Coordinate with federal, state, and local regulatory agencies throughout the Midwest.
  • Support permitting efforts before Public Utility Commissions, Public Service Commissions, Areas and Activities of State Interest (1041) permitting authorities, and other regulatory agencies.
  • Conduct biological field surveys as project needs require.

Project Development
  • Support project development activities, including scopes of work, proposals, cost estimates, and scheduling.
  • Maintain a high level of technical quality, consistency, and client service across all deliverables.
  • Promote Tetra Tech's Health and Safety Program and ensure compliance with company safety procedures.

Professional Standards
  • 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 safely at all times and report health and safety incidents or concerns.
  • Perform additional duties as assigned.

Required Qualifications:
  • Bachelor's degree in Biology, Ecology, Environmental Science, or a related field; Master's degree preferred.
  • Minimum 8 years of progressively responsible experience in biological consulting, environmental permitting, or natural resource management.
  • Demonstrated experience leading biological field teams and managing technical projects.
  • Applied knowledge of:
    • Ecological assessments
    • Environmental impact analysis
    • Habitat conservation planning
    • Natural resource management
    • Site characterization studies
    • Environmental due diligence
  • Experience conducting biological studies including:
    • Avian use surveys
    • Bat surveys
    • Wetland delineations
    • Listed species surveys
    • Habitat assessments
    • Post-construction mortality monitoring
  • Experience with environmental permitting related to wetlands and wildlife throughout the Midwest.
  • Experience with the U.S. Fish and Wildlife Service Wind Energy Guidelines and eagle take permitting under the Bald and Golden Eagle Protection Act (BGEPA), including development of Eagle Conservation Plans (ECPs) and Eagle Take Permit (ETP) applications.
  • Experience supporting Endangered Species Act (ESA), Migratory Bird Treaty Act (MBTA), Habitat Conservation Plans (HCPs), Incidental Take Permits (ITPs), and regulatory consultations.
  • Experience with Midwest threatened and endangered species reviews and state permitting requirements, including state incidental take authorizations.
  • Experience with U.S. Army Corps of Engineers (USACE) and Clean Water Act Section 404 permitting.
  • Experience with state-level wetland permitting programs, including the Minnesota Wetland Conservation Act.
  • Strong technical writing, editing, communication, and presentation skills.
  • Demonstrated ability to analyze biological data and develop technically sound recommendations.
  • Strong organizational, leadership, and problem-solving skills.
  • Ability to manage multiple priorities while working independently and collaboratively.
  • Must possess a valid driver's license with a clean driving record without restrictions.

Preferred Qualifications:
  • Experience supporting renewable energy, electric transmission, battery storage, pipeline, or data center projects.
  • Experience managing multidisciplinary project teams.
  • Experience providing expert testimony before regulatory agencies.
  • Existing relationships with Midwest regulatory agencies and stakeholders.
  • Experience supporting business development, proposal preparation, and client relationship management.

Work Environment:
The primary focus of this position is supporting projects throughout the Midwest, including North Dakota, South Dakota, Minnesota, Wisconsin, Illinois, Iowa, Indiana, Ohio, and Michigan, with occasional support in the Mountain West region, including Missouri, Kansas, Colorado, Wyoming, Nebraska, New Mexico, and Arizona. The position includes a combination of office, remote, and field work, with travel required for project meetings, agency coordination, biological field surveys, and client support.
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.

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: $90,000-$130,000 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 https://www.tetratech.com/careers Follow us on social media to learn more about our people, culture, and opportunities:
LinkedIn: @TetraTechCareers
X (Twitter): @TetraTechJobs

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